commit e2f27e51ceca2d312847b5db0436f7004fe489b7
Author: Arkadiusz Miśkiewicz <[email protected]>
Date: Sun Oct 9 16:57:55 2016 +0200
- aufs updated (to aufs4.x-rcN branch; no 4.8 branch yet)
kernel-aufs4.patch | 626 ++++++++++++++++++++++++++++++++---------------------
kernel.spec | 2 +-
2 files changed, 380 insertions(+), 248 deletions(-)
---
diff --git a/kernel.spec b/kernel.spec
index 8661138..9bde212 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -191,7 +191,7 @@ Patch101: kernel-vserver-fixes.patch
# Patch creation:
# git clone git://github.com/sfjro/aufs4-standalone.git
# cd aufs4-standalone
-# git checkout -b aufs4.7 origin/aufs4.7
+# git checkout -b aufs4.8 origin/aufs4.8
# cat aufs4-kbuild.patch aufs4-base.patch aufs4-mmap.patch
aufs4-standalone.patch > ~/rpm/packages/kernel/kernel-aufs4.patch
# rm -rf linux && mkdir linux
# cp -a Documentation fs include linux
diff --git a/kernel-aufs4.patch b/kernel-aufs4.patch
index 80c6bbf..cce529e 100644
--- a/kernel-aufs4.patch
+++ b/kernel-aufs4.patch
@@ -1,10 +1,10 @@
-aufs4.7 kbuild patch
+aufs4.x-rcN kbuild patch
diff --git a/fs/Kconfig b/fs/Kconfig
-index b8fcb41..78adefb 100644
+index 2bc7ad7..3049386 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
-@@ -236,6 +236,7 @@ source "fs/pstore/Kconfig"
+@@ -245,6 +245,7 @@ source "fs/pstore/Kconfig"
source "fs/sysv/Kconfig"
source "fs/ufs/Kconfig"
source "fs/exofs/Kconfig"
@@ -13,16 +13,16 @@ index b8fcb41..78adefb 100644
endif # MISC_FILESYSTEMS
diff --git a/fs/Makefile b/fs/Makefile
-index 85b6e13..e7bb164 100644
+index ed2b632..aa6d14b 100644
--- a/fs/Makefile
+++ b/fs/Makefile
-@@ -128,3 +128,4 @@ obj-y += exofs/ # Multiple
modules
+@@ -129,3 +129,4 @@ obj-y += exofs/ # Multiple
modules
obj-$(CONFIG_CEPH_FS) += ceph/
obj-$(CONFIG_PSTORE) += pstore/
obj-$(CONFIG_EFIVAR_FS) += efivarfs/
+obj-$(CONFIG_AUFS_FS) += aufs/
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
-index ec10cfe..800211b 100644
+index 185f8ea..5deb0d1 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -59,6 +59,7 @@ header-y += atmsvc.h
@@ -33,13 +33,13 @@ index ec10cfe..800211b 100644
header-y += auto_fs4.h
header-y += auto_fs.h
header-y += auxvec.h
-aufs4.7 base patch
+aufs4.x-rcN base patch
diff --git a/MAINTAINERS b/MAINTAINERS
-index 8c20323..d170184 100644
+index 01bff8e..ac77455 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
-@@ -2213,6 +2213,19 @@ F: include/linux/audit.h
+@@ -2256,6 +2256,19 @@ F: include/linux/audit.h
F: include/uapi/linux/audit.h
F: kernel/audit*
@@ -60,10 +60,10 @@ index 8c20323..d170184 100644
M: Miguel Ojeda Sandonis <[email protected]>
W: http://miguelojeda.es/auxdisplay.htm
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
-index 1fa8cc2..7339e65 100644
+index c9f2107..005e292 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
-@@ -712,6 +712,24 @@ static inline int is_loop_device(struct file *file)
+@@ -701,6 +701,24 @@ static inline int is_loop_device(struct file *file)
return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
}
@@ -89,10 +89,10 @@ index 1fa8cc2..7339e65 100644
static ssize_t loop_attr_show(struct device *dev, char *page,
diff --git a/fs/dcache.c b/fs/dcache.c
-index d6847d7..c3c0b6d 100644
+index 5c7cc95..df0268c 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
-@@ -1202,7 +1202,7 @@ enum d_walk_ret {
+@@ -1164,7 +1164,7 @@ enum d_walk_ret {
*
* The @enter() and @finish() callbacks are called with d_lock held.
*/
@@ -124,10 +124,10 @@ index 350a2c8..6f42279 100644
return error;
diff --git a/fs/inode.c b/fs/inode.c
-index 4ccbc21..aa6d071 100644
+index 7e3ef3a..675fe84 100644
--- a/fs/inode.c
+++ b/fs/inode.c
-@@ -1591,7 +1591,7 @@ EXPORT_SYMBOL(generic_update_time);
+@@ -1593,7 +1593,7 @@ EXPORT_SYMBOL(generic_update_time);
* This does the actual work of updating an inodes time or version. Must have
* had called mnt_want_write() before calling this.
*/
@@ -137,7 +137,7 @@ index 4ccbc21..aa6d071 100644
int (*update_time)(struct inode *, struct timespec *, int);
diff --git a/fs/read_write.c b/fs/read_write.c
-index 933b53a..2d13282 100644
+index 66215a7..a1da117 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -515,6 +515,28 @@ ssize_t __vfs_write(struct file *file, const char __user
*p, size_t count,
@@ -210,10 +210,10 @@ index 7444f5f..bdac0be 100644
static inline void fput_light(struct file *file, int fput_needed)
{
diff --git a/include/linux/fs.h b/include/linux/fs.h
-index dd28814..b689a48 100644
+index 901e25d..a71aa9e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
-@@ -1306,6 +1306,7 @@ extern void fasync_free(struct fasync_struct *);
+@@ -1275,6 +1275,7 @@ extern void fasync_free(struct fasync_struct *);
/* can be called from interrupts */
extern void kill_fasync(struct fasync_struct **, int, int);
@@ -221,7 +221,7 @@ index dd28814..b689a48 100644
extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int
force);
extern void f_setown(struct file *filp, unsigned long arg, int force);
extern void f_delown(struct file *filp);
-@@ -1690,6 +1691,7 @@ struct file_operations {
+@@ -1699,6 +1700,7 @@ struct file_operations {
ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t
*, int);
unsigned long (*get_unmapped_area)(struct file *, unsigned long,
unsigned long, unsigned long, unsigned long);
int (*check_flags)(int);
@@ -229,7 +229,7 @@ index dd28814..b689a48 100644
int (*flock) (struct file *, int, struct file_lock *);
ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t
*, size_t, unsigned int);
ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info
*, size_t, unsigned int);
-@@ -1750,6 +1752,12 @@ ssize_t rw_copy_check_uvector(int type, const struct
iovec __user * uvector,
+@@ -1759,6 +1761,12 @@ ssize_t rw_copy_check_uvector(int type, const struct
iovec __user * uvector,
struct iovec *fast_pointer,
struct iovec **ret_pointer);
@@ -242,7 +242,7 @@ index dd28814..b689a48 100644
extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t
*);
extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
-@@ -2105,6 +2113,7 @@ extern int current_umask(void);
+@@ -2123,6 +2131,7 @@ extern int current_umask(void);
extern void ihold(struct inode * inode);
extern void iput(struct inode *);
extern int generic_update_time(struct inode *, struct timespec *, int);
@@ -265,13 +265,13 @@ index da2751d..2e0fca6 100644
+ struct pipe_inode_info *pipe, size_t len,
+ unsigned int flags);
#endif
-aufs4.7 mmap patch
+aufs4.x-rcN mmap patch
diff --git a/fs/proc/base.c b/fs/proc/base.c
-index a11eb71..8f10865 100644
+index ac0df4d..42255e5 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
-@@ -1939,7 +1939,7 @@ static int map_files_get_link(struct dentry *dentry,
struct path *path)
+@@ -1938,7 +1938,7 @@ static int map_files_get_link(struct dentry *dentry,
struct path *path)
down_read(&mm->mmap_sem);
vma = find_exact_vma(mm, vm_start, vm_end);
if (vma && vma->vm_file) {
@@ -297,7 +297,7 @@ index f8595e8..cb8eda0 100644
ino = inode->i_ino;
}
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
-index 4648c7f..061cb85 100644
+index f6fa99e..2750949 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -298,7 +298,10 @@ show_map_vma(struct seq_file *m, struct vm_area_struct
*vma, int is_pid)
@@ -312,7 +312,7 @@ index 4648c7f..061cb85 100644
dev = inode->i_sb->s_dev;
ino = inode->i_ino;
pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
-@@ -1624,7 +1627,7 @@ static int show_numa_map(struct seq_file *m, void *v,
int is_pid)
+@@ -1634,7 +1637,7 @@ static int show_numa_map(struct seq_file *m, void *v,
int is_pid)
struct proc_maps_private *proc_priv = &numa_priv->proc_maps;
struct vm_area_struct *vma = v;
struct numa_maps *md = &numa_priv->md;
@@ -338,10 +338,10 @@ index faacb0c..17b43be 100644
ino = inode->i_ino;
pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
diff --git a/include/linux/mm.h b/include/linux/mm.h
-index ece042d..1e24513 100644
+index ef815b9..a772481 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
-@@ -1239,6 +1239,28 @@ static inline int fixup_user_fault(struct task_struct
*tsk,
+@@ -1278,6 +1278,28 @@ static inline int fixup_user_fault(struct task_struct
*tsk,
}
#endif
@@ -371,10 +371,10 @@ index ece042d..1e24513 100644
extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
void *buf, int len, int write);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
-index ca3e517..10bc491 100644
+index 903200f..55fc528 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
-@@ -274,6 +274,7 @@ struct vm_region {
+@@ -275,6 +275,7 @@ struct vm_region {
unsigned long vm_top; /* region allocated to here */
unsigned long vm_pgoff; /* the offset in vm_file corresponding
to vm_start */
struct file *vm_file; /* the backing file or NULL */
@@ -382,7 +382,7 @@ index ca3e517..10bc491 100644
int vm_usage; /* region usage count (access under
nommu_region_sem) */
bool vm_icache_flushed : 1; /* true if the icache has been
flushed for
-@@ -348,6 +349,7 @@ struct vm_area_struct {
+@@ -349,6 +350,7 @@ struct vm_area_struct {
unsigned long vm_pgoff; /* Offset (within vm_file) in PAGE_SIZE
units */
struct file * vm_file; /* File we map to (can be NULL). */
@@ -391,10 +391,10 @@ index ca3e517..10bc491 100644
#ifndef CONFIG_MMU
diff --git a/kernel/fork.c b/kernel/fork.c
-index 4a7ec0c..8c8f7ac 100644
+index beb3172..ad4cfa8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
-@@ -479,7 +479,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct
*oldmm)
+@@ -477,7 +477,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct
*oldmm)
struct inode *inode = file_inode(file);
struct address_space *mapping = file->f_mapping;
@@ -404,10 +404,10 @@ index 4a7ec0c..8c8f7ac 100644
atomic_dec(&inode->i_writecount);
i_mmap_lock_write(mapping);
diff --git a/mm/Makefile b/mm/Makefile
-index 78c6f7d..aea4230 100644
+index 2ca1faf..6b9da3f 100644
--- a/mm/Makefile
+++ b/mm/Makefile
-@@ -37,7 +37,7 @@ obj-y := filemap.o mempool.o
oom_kill.o \
+@@ -40,7 +40,7 @@ obj-y := filemap.o mempool.o
oom_kill.o \
mm_init.o mmu_context.o percpu.o slab_common.o \
compaction.o vmacache.o \
interval_tree.o list_lru.o workingset.o \
@@ -417,10 +417,10 @@ index 78c6f7d..aea4230 100644
obj-y += init-mm.o
diff --git a/mm/filemap.c b/mm/filemap.c
-index 20f3b1f..ee827ce 100644
+index 8a287df..7583d66 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
-@@ -2208,7 +2208,7 @@ int filemap_page_mkwrite(struct vm_area_struct *vma,
struct vm_fault *vmf)
+@@ -2284,7 +2284,7 @@ int filemap_page_mkwrite(struct vm_area_struct *vma,
struct vm_fault *vmf)
int ret = VM_FAULT_LOCKED;
sb_start_pagefault(inode->i_sb);
@@ -430,10 +430,10 @@ index 20f3b1f..ee827ce 100644
if (page->mapping != inode->i_mapping) {
unlock_page(page);
diff --git a/mm/memory.c b/mm/memory.c
-index 9e04681..06980d1 100644
+index 793fe0f..45f39f3 100644
--- a/mm/memory.c
+++ b/mm/memory.c
-@@ -2100,7 +2100,7 @@ static inline int wp_page_reuse(struct mm_struct *mm,
+@@ -2113,7 +2113,7 @@ static inline int wp_page_reuse(struct fault_env *fe,
pte_t orig_pte,
}
if (!page_mkwrite)
@@ -443,10 +443,10 @@ index 9e04681..06980d1 100644
return VM_FAULT_WRITE;
diff --git a/mm/mmap.c b/mm/mmap.c
-index de2c176..b7f391c 100644
+index ca9d91b..f3ebc5a 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
-@@ -162,7 +162,7 @@ static struct vm_area_struct *remove_vma(struct
vm_area_struct *vma)
+@@ -163,7 +163,7 @@ static struct vm_area_struct *remove_vma(struct
vm_area_struct *vma)
if (vma->vm_ops && vma->vm_ops->close)
vma->vm_ops->close(vma);
if (vma->vm_file)
@@ -455,7 +455,7 @@ index de2c176..b7f391c 100644
mpol_put(vma_policy(vma));
kmem_cache_free(vm_area_cachep, vma);
return next;
-@@ -782,7 +782,7 @@ again: remove_next = 1 + (end >
next->vm_end);
+@@ -790,7 +790,7 @@ again:
if (remove_next) {
if (file) {
uprobe_munmap(next, next->vm_start, next->vm_end);
@@ -464,7 +464,7 @@ index de2c176..b7f391c 100644
}
if (next->anon_vma)
anon_vma_merge(vma, next);
-@@ -1563,8 +1563,8 @@ out:
+@@ -1574,8 +1574,8 @@ out:
return addr;
unmap_and_free_vma:
@@ -474,7 +474,7 @@ index de2c176..b7f391c 100644
/* Undo any partial mapping done by a device driver. */
unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end);
-@@ -2358,7 +2358,7 @@ static int __split_vma(struct mm_struct *mm, struct
vm_area_struct *vma,
+@@ -2380,7 +2380,7 @@ static int __split_vma(struct mm_struct *mm, struct
vm_area_struct *vma,
goto out_free_mpol;
if (new->vm_file)
@@ -483,7 +483,7 @@ index de2c176..b7f391c 100644
if (new->vm_ops && new->vm_ops->open)
new->vm_ops->open(new);
-@@ -2377,7 +2377,7 @@ static int __split_vma(struct mm_struct *mm, struct
vm_area_struct *vma,
+@@ -2399,7 +2399,7 @@ static int __split_vma(struct mm_struct *mm, struct
vm_area_struct *vma,
if (new->vm_ops && new->vm_ops->close)
new->vm_ops->close(new);
if (new->vm_file)
@@ -492,7 +492,7 @@ index de2c176..b7f391c 100644
unlink_anon_vmas(new);
out_free_mpol:
mpol_put(vma_policy(new));
-@@ -2528,7 +2528,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start,
unsigned long, size,
+@@ -2550,7 +2550,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start,
unsigned long, size,
struct vm_area_struct *vma;
unsigned long populate = 0;
unsigned long ret = -EINVAL;
@@ -501,7 +501,7 @@ index de2c176..b7f391c 100644
pr_warn_once("%s (%d) uses deprecated remap_file_pages() syscall. See
Documentation/vm/remap_file_pages.txt.\n",
current->comm, current->pid);
-@@ -2597,10 +2597,27 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long,
start, unsigned long, size,
+@@ -2625,10 +2625,27 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long,
start, unsigned long, size,
}
}
@@ -530,7 +530,7 @@ index de2c176..b7f391c 100644
out:
up_write(&mm->mmap_sem);
if (populate)
-@@ -2873,7 +2890,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct
**vmap,
+@@ -2903,7 +2920,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct
**vmap,
if (anon_vma_clone(new_vma, vma))
goto out_free_mempol;
if (new_vma->vm_file)
@@ -540,7 +540,7 @@ index de2c176..b7f391c 100644
new_vma->vm_ops->open(new_vma);
vma_link(mm, new_vma, prev, rb_link, rb_parent);
diff --git a/mm/nommu.c b/mm/nommu.c
-index c2e588802..c39edc4 100644
+index 95daf81..5086a29 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -644,7 +644,7 @@ static void __put_nommu_region(struct vm_region *region)
@@ -675,13 +675,13 @@ index 0000000..b323b8a
+ fput(pr);
+}
+#endif /* !CONFIG_MMU */
-aufs4.7 standalone patch
+aufs4.x-rcN standalone patch
diff --git a/fs/dcache.c b/fs/dcache.c
-index c3c0b6d..c99d2d2 100644
+index df0268c..76280ee 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
-@@ -1310,6 +1310,7 @@ rename_retry:
+@@ -1272,6 +1272,7 @@ rename_retry:
seq = 1;
goto again;
}
@@ -690,7 +690,7 @@ index c3c0b6d..c99d2d2 100644
/*
* Search for at least 1 mount point in the dentry's subdirs.
diff --git a/fs/exec.c b/fs/exec.c
-index 887c1c9..40e8767 100644
+index 6fcfb3f..ed9d646 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -104,6 +104,7 @@ bool path_noexec(const struct path *path)
@@ -750,10 +750,10 @@ index ad17e05..ae9f267 100644
void __init files_init(void)
{
diff --git a/fs/inode.c b/fs/inode.c
-index aa6d071..f336032 100644
+index 675fe84..da063d3 100644
--- a/fs/inode.c
+++ b/fs/inode.c
-@@ -1600,6 +1600,7 @@ int update_time(struct inode *inode, struct timespec
*time, int flags)
+@@ -1602,6 +1602,7 @@ int update_time(struct inode *inode, struct timespec
*time, int flags)
return update_time(inode, time, flags);
}
@@ -762,7 +762,7 @@ index aa6d071..f336032 100644
/**
* touch_atime - update the access time
diff --git a/fs/namespace.c b/fs/namespace.c
-index 419f746..9c0e0af 100644
+index 7bb2cda..88ec098 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -463,6 +463,7 @@ void __mnt_drop_write(struct vfsmount *mnt)
@@ -782,7 +782,7 @@ index 419f746..9c0e0af 100644
static void cleanup_group_ids(struct mount *mnt, struct mount *end)
{
diff --git a/fs/notify/group.c b/fs/notify/group.c
-index 3e2dd85..b17cb4b 100644
+index b47f7cf..618bc9e 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -22,6 +22,7 @@
@@ -793,7 +793,7 @@ index 3e2dd85..b17cb4b 100644
#include <linux/fsnotify_backend.h>
#include "fsnotify.h"
-@@ -81,6 +82,7 @@ void fsnotify_get_group(struct fsnotify_group *group)
+@@ -100,6 +101,7 @@ void fsnotify_get_group(struct fsnotify_group *group)
{
atomic_inc(&group->refcnt);
}
@@ -801,7 +801,7 @@ index 3e2dd85..b17cb4b 100644
/*
* Drop a reference to a group. Free it if it's through.
-@@ -90,6 +92,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
+@@ -109,6 +111,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
if (atomic_dec_and_test(&group->refcnt))
fsnotify_final_destroy_group(group);
}
@@ -809,7 +809,7 @@ index 3e2dd85..b17cb4b 100644
/*
* Create a new fsnotify_group and hold a reference for the group returned.
-@@ -118,6 +121,7 @@ struct fsnotify_group *fsnotify_alloc_group(const struct
fsnotify_ops *ops)
+@@ -137,6 +140,7 @@ struct fsnotify_group *fsnotify_alloc_group(const struct
fsnotify_ops *ops)
return group;
}
@@ -854,7 +854,7 @@ index d3fea0b..5fc06ad 100644
/*
* Destroy all marks in destroy_list, waits for SRCU period to finish before
diff --git a/fs/open.c b/fs/open.c
-index 93ae3cd..d25b9bd 100644
+index 4fd6e25..ec6f532 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -64,6 +64,7 @@ int do_truncate(struct dentry *dentry, loff_t length,
unsigned int time_attrs,
@@ -874,7 +874,7 @@ index 93ae3cd..d25b9bd 100644
static int do_dentry_open(struct file *f,
struct inode *inode,
diff --git a/fs/read_write.c b/fs/read_write.c
-index 2d13282..260c4a4 100644
+index a1da117..c643215 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -525,6 +525,7 @@ vfs_readf_t vfs_readf(struct file *file)
@@ -914,10 +914,10 @@ index 9326c2a..0606690 100644
/**
* splice_direct_to_actor - splices data directly between two non-pipes
diff --git a/fs/xattr.c b/fs/xattr.c
-index 4beafc4..e118715 100644
+index c243905..b60dc60 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
-@@ -207,6 +207,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char
*name, char **xattr_value,
+@@ -214,6 +214,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char
*name, char **xattr_value,
*xattr_value = value;
return error;
}
@@ -926,19 +926,19 @@ index 4beafc4..e118715 100644
ssize_t
vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t
size)
diff --git a/kernel/task_work.c b/kernel/task_work.c
-index 53fa971..bce3211 100644
+index d513051..e056d54 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
-@@ -118,3 +118,4 @@ void task_work_run(void)
+@@ -119,3 +119,4 @@ void task_work_run(void)
} while (work);
}
}
+EXPORT_SYMBOL_GPL(task_work_run);
diff --git a/security/commoncap.c b/security/commoncap.c
-index e7fadde..6423e53 100644
+index 14540bd..4e3b242 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
-@@ -1058,12 +1058,14 @@ int cap_mmap_addr(unsigned long addr)
+@@ -1066,12 +1066,14 @@ int cap_mmap_addr(unsigned long addr)
}
return ret;
}
@@ -974,7 +974,7 @@ index 03c1652..f88c84b 100644
int devcgroup_inode_mknod(int mode, dev_t dev)
{
diff --git a/security/security.c b/security/security.c
-index 7095693..da7fe2c 100644
+index 4838e7f..36c741e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -434,6 +434,7 @@ int security_path_rmdir(const struct path *dir, struct
dentry *dentry)
@@ -1041,7 +1041,7 @@ index 7095693..da7fe2c 100644
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
-@@ -737,6 +745,7 @@ int security_file_permission(struct file *file, int mask)
+@@ -758,6 +766,7 @@ int security_file_permission(struct file *file, int mask)
return fsnotify_perm(file, mask);
}
@@ -1049,7 +1049,7 @@ index 7095693..da7fe2c 100644
int security_file_alloc(struct file *file)
{
-@@ -796,6 +805,7 @@ int security_mmap_file(struct file *file, unsigned long
prot,
+@@ -817,6 +826,7 @@ int security_mmap_file(struct file *file, unsigned long
prot,
return ret;
return ima_file_mmap(file, prot);
}
@@ -1059,7 +1059,7 @@ index 7095693..da7fe2c 100644
{
diff -urN /usr/share/empty/Documentation/ABI/testing/debugfs-aufs
linux/Documentation/ABI/testing/debugfs-aufs
--- /usr/share/empty/Documentation/ABI/testing/debugfs-aufs 1970-01-01
01:00:00.000000000 +0100
-+++ linux/Documentation/ABI/testing/debugfs-aufs 2015-09-24
10:47:58.244719488 +0200
++++ linux/Documentation/ABI/testing/debugfs-aufs 2016-10-09
16:55:36.476034536 +0200
@@ -0,0 +1,50 @@
+What: /debug/aufs/si_<id>/
+Date: March 2009
@@ -1113,7 +1113,7 @@ diff -urN
/usr/share/empty/Documentation/ABI/testing/debugfs-aufs linux/Document
+ will be empty. About XINO files, see the aufs manual.
diff -urN /usr/share/empty/Documentation/ABI/testing/sysfs-aufs
linux/Documentation/ABI/testing/sysfs-aufs
--- /usr/share/empty/Documentation/ABI/testing/sysfs-aufs 1970-01-01
01:00:00.000000000 +0100
-+++ linux/Documentation/ABI/testing/sysfs-aufs 2015-09-24 10:47:58.244719488
+0200
++++ linux/Documentation/ABI/testing/sysfs-aufs 2016-10-09 16:55:36.476034536
+0200
@@ -0,0 +1,31 @@
+What: /sys/fs/aufs/si_<id>/
+Date: March 2009
@@ -1148,7 +1148,7 @@ diff -urN
/usr/share/empty/Documentation/ABI/testing/sysfs-aufs linux/Documentat
+ will be empty. About XINO files, see the aufs manual.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt
linux/Documentation/filesystems/aufs/design/01intro.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/01intro.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/01intro.txt 2016-10-09
16:55:36.479367956 +0200
@@ -0,0 +1,170 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -1322,7 +1322,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt lin
+about it. But currently I have implemented it in kernel space.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt
linux/Documentation/filesystems/aufs/design/02struct.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/02struct.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/02struct.txt 2016-10-09
16:55:36.479367956 +0200
@@ -0,0 +1,258 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -1584,7 +1584,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt li
+For this purpose, use "aumvdown" command in aufs-util.git.
diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.txt
linux/Documentation/filesystems/aufs/design/03atomic_open.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/03atomic_open.txt
2016-07-25 19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/03atomic_open.txt
2016-10-09 16:55:36.479367956 +0200
@@ -0,0 +1,85 @@
+
+# Copyright (C) 2015-2016 Junjiro R. Okajima
@@ -1673,7 +1673,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.t
+ be implemented in aufs, but not all I am afraid.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt
linux/Documentation/filesystems/aufs/design/03lookup.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/03lookup.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/03lookup.txt 2016-10-09
16:55:36.479367956 +0200
@@ -0,0 +1,113 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -1790,7 +1790,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt li
+ by over-mounting something (or another method).
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt
linux/Documentation/filesystems/aufs/design/04branch.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/04branch.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/04branch.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,74 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -1868,7 +1868,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt li
+ same named entry on the upper branch.
diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.txt
linux/Documentation/filesystems/aufs/design/05wbr_policy.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/05wbr_policy.txt
2016-07-25 19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/05wbr_policy.txt
2016-10-09 16:55:36.482701377 +0200
@@ -0,0 +1,64 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -1936,7 +1936,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.tx
+ copyup policy.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt
linux/Documentation/filesystems/aufs/design/06fhsm.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06fhsm.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/06fhsm.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,120 @@
+
+# Copyright (C) 2011-2016 Junjiro R. Okajima
@@ -2060,7 +2060,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt linu
+should restore the original file state after an error happens.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt
linux/Documentation/filesystems/aufs/design/06mmap.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06mmap.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/06mmap.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,72 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -2136,7 +2136,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt linu
+I have to give up this "looks-smater" approach.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt
linux/Documentation/filesystems/aufs/design/06xattr.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06xattr.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/06xattr.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,96 @@
+
+# Copyright (C) 2014-2016 Junjiro R. Okajima
@@ -2236,7 +2236,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt lin
+now, aufs implements the branch attributes to ignore the error.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/07export.txt
linux/Documentation/filesystems/aufs/design/07export.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/07export.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/07export.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/07export.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,58 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -2298,7 +2298,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/07export.txt li
+ lookup_one_len(), vfs_getattr(), encode_fh() and others.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt
linux/Documentation/filesystems/aufs/design/08shwh.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/08shwh.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/08shwh.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,52 @@
+
+# Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -2354,7 +2354,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt linu
+initramfs will use it to replace the old one at the next boot.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt
linux/Documentation/filesystems/aufs/design/10dynop.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt
1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/10dynop.txt 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/design/10dynop.txt 2016-10-09
16:55:36.482701377 +0200
@@ -0,0 +1,47 @@
+
+# Copyright (C) 2010-2016 Junjiro R. Okajima
@@ -2405,7 +2405,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt lin
+regular files only.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/README
linux/Documentation/filesystems/aufs/README
--- /usr/share/empty/Documentation/filesystems/aufs/README 1970-01-01
01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/README 2016-07-25
19:05:34.807826401 +0200
++++ linux/Documentation/filesystems/aufs/README 2016-10-09
16:55:36.479367956 +0200
@@ -0,0 +1,392 @@
+
+Aufs4 -- advanced multi layered unification filesystem version 4.x
@@ -2801,7 +2801,7 @@ diff -urN
/usr/share/empty/Documentation/filesystems/aufs/README linux/Documenta
+# End: ;
diff -urN /usr/share/empty/fs/aufs/aufs.h linux/fs/aufs/aufs.h
--- /usr/share/empty/fs/aufs/aufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/aufs.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/aufs.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -2864,8 +2864,8 @@ diff -urN /usr/share/empty/fs/aufs/aufs.h
linux/fs/aufs/aufs.h
+#endif /* __AUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
--- /usr/share/empty/fs/aufs/branch.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/branch.c 2016-08-17 18:01:06.095221547 +0200
-@@ -0,0 +1,1409 @@
++++ linux/fs/aufs/branch.c 2016-10-09 16:55:38.886097714 +0200
+@@ -0,0 +1,1412 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -3022,12 +3022,12 @@ diff -urN /usr/share/empty/fs/aufs/branch.c
linux/fs/aufs/branch.c
+ goto out_wbr;
+ }
+
-+ err = au_sbr_realloc(au_sbi(sb), new_nbranch);
++ err = au_sbr_realloc(au_sbi(sb), new_nbranch, /*may_shrink*/0);
+ if (!err)
-+ err = au_di_realloc(au_di(root), new_nbranch);
++ err = au_di_realloc(au_di(root), new_nbranch, /*may_shrink*/0);
+ if (!err) {
+ inode = d_inode(root);
-+ err = au_hinode_realloc(au_ii(inode), new_nbranch);
++ err = au_hinode_realloc(au_ii(inode), new_nbranch,
/*may_shrink*/0);
+ }
+ if (!err)
+ return add_branch; /* success */
@@ -3771,7 +3771,8 @@ diff -urN /usr/share/empty/fs/aufs/branch.c
linux/fs/aufs/branch.c
+ sbinfo->si_branch[0 + bbot] = NULL;
+ sbinfo->si_bbot--;
+
-+ p = krealloc(sbinfo->si_branch, sizeof(*p) * bbot, AuGFP_SBILIST);
++ p = au_krealloc(sbinfo->si_branch, sizeof(*p) * bbot, AuGFP_SBILIST,
++ /*may_shrink*/1);
+ if (p)
+ sbinfo->si_branch = p;
+ /* harmless error */
@@ -3790,7 +3791,8 @@ diff -urN /usr/share/empty/fs/aufs/branch.c
linux/fs/aufs/branch.c
+ /* au_h_dentry_init(au_hdentry(dinfo, bbot); */
+ dinfo->di_bbot--;
+
-+ p = krealloc(dinfo->di_hdentry, sizeof(*p) * bbot, AuGFP_SBILIST);
++ p = au_krealloc(dinfo->di_hdentry, sizeof(*p) * bbot, AuGFP_SBILIST,
++ /*may_shrink*/1);
+ if (p)
+ dinfo->di_hdentry = p;
+ /* harmless error */
@@ -3809,7 +3811,8 @@ diff -urN /usr/share/empty/fs/aufs/branch.c
linux/fs/aufs/branch.c
+ /* au_hinode_init(au_hinode(iinfo, bbot)); */
+ iinfo->ii_bbot--;
+
-+ p = krealloc(iinfo->ii_hinode, sizeof(*p) * bbot, AuGFP_SBILIST);
++ p = au_krealloc(iinfo->ii_hinode, sizeof(*p) * bbot, AuGFP_SBILIST,
++ /*may_shrink*/1);
+ if (p)
+ iinfo->ii_hinode = p;
+ /* harmless error */
@@ -4277,7 +4280,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c
linux/fs/aufs/branch.c
+}
diff -urN /usr/share/empty/fs/aufs/branch.h linux/fs/aufs/branch.h
--- /usr/share/empty/fs/aufs/branch.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/branch.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/branch.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -4590,7 +4593,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.h
linux/fs/aufs/branch.h
+#endif /* __AUFS_BRANCH_H__ */
diff -urN /usr/share/empty/fs/aufs/conf.mk linux/fs/aufs/conf.mk
--- /usr/share/empty/fs/aufs/conf.mk 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/conf.mk 2015-09-24 10:47:58.248052907 +0200
++++ linux/fs/aufs/conf.mk 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,38 @@
+
+AuConfStr = CONFIG_AUFS_FS=${CONFIG_AUFS_FS}
@@ -4632,8 +4635,8 @@ diff -urN /usr/share/empty/fs/aufs/conf.mk
linux/fs/aufs/conf.mk
+-include ${srctree}/${src}/conf_priv.mk
diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
--- /usr/share/empty/fs/aufs/cpup.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/cpup.c 2016-08-17 18:01:06.095221547 +0200
-@@ -0,0 +1,1383 @@
++++ linux/fs/aufs/cpup.c 2016-10-09 16:55:38.886097714 +0200
+@@ -0,0 +1,1391 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -5030,6 +5033,7 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c
linux/fs/aufs/cpup.c
+ }
+ };
+ struct super_block *sb;
++ struct inode *h_src_inode;
+ struct task_struct *tsk = current;
+
+ /* bsrc branch can be ro/rw. */
@@ -5045,7 +5049,9 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c
linux/fs/aufs/cpup.c
+ }
+
+ /* try stopping to update while we copyup */
-+ IMustLock(d_inode(file[SRC].dentry));
++ h_src_inode = d_inode(file[SRC].dentry);
++ if (!au_test_nfs(h_src_inode->i_sb))
++ IMustLock(h_src_inode);
+ err = au_copy_file(file[DST].file, file[SRC].file, cpg->len);
+
+ /* i wonder if we had O_NO_DELAY_FPUT flag */
@@ -5105,8 +5111,13 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c
linux/fs/aufs/cpup.c
+ goto out;
+ }
+ h_src_attr->valid = 1;
-+ err = au_cp_regular(cpg);
-+ inode_unlock(h_src_inode);
++ if (!au_test_nfs(h_src_inode->i_sb)) {
++ err = au_cp_regular(cpg);
++ inode_unlock(h_src_inode);
++ } else {
++ inode_unlock(h_src_inode);
++ err = au_cp_regular(cpg);
++ }
+ rerr = au_pin_hdir_relock(cpg->pin);
+ if (!err && rerr)
+ err = rerr;
@@ -6019,7 +6030,7 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c
linux/fs/aufs/cpup.c
+}
diff -urN /usr/share/empty/fs/aufs/cpup.h linux/fs/aufs/cpup.h
--- /usr/share/empty/fs/aufs/cpup.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/cpup.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/cpup.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -6117,8 +6128,8 @@ diff -urN /usr/share/empty/fs/aufs/cpup.h
linux/fs/aufs/cpup.h
+#endif /* __AUFS_CPUP_H__ */
diff -urN /usr/share/empty/fs/aufs/dbgaufs.c linux/fs/aufs/dbgaufs.c
--- /usr/share/empty/fs/aufs/dbgaufs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dbgaufs.c 2016-08-17 18:01:06.095221547 +0200
-@@ -0,0 +1,435 @@
++++ linux/fs/aufs/dbgaufs.c 2016-10-09 16:55:38.886097714 +0200
+@@ -0,0 +1,438 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -6390,7 +6401,10 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.c
linux/fs/aufs/dbgaufs.c
+ for (; bindex <= bbot; bindex++) {
+ br = au_sbr(sb, bindex);
+ xi = &br->br_xino;
++ /* debugfs acquires the parent i_mutex */
++ lockdep_off();
+ debugfs_remove(xi->xi_dbgaufs);
++ lockdep_on();
+ xi->xi_dbgaufs = NULL;
+ }
+}
@@ -6556,7 +6570,7 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.c
linux/fs/aufs/dbgaufs.c
+}
diff -urN /usr/share/empty/fs/aufs/dbgaufs.h linux/fs/aufs/dbgaufs.h
--- /usr/share/empty/fs/aufs/dbgaufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dbgaufs.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/dbgaufs.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -6608,8 +6622,8 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.h
linux/fs/aufs/dbgaufs.h
+#endif /* __DBGAUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/dcsub.c linux/fs/aufs/dcsub.c
--- /usr/share/empty/fs/aufs/dcsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dcsub.c 2016-08-17 18:01:06.101888388 +0200
-@@ -0,0 +1,224 @@
++++ linux/fs/aufs/dcsub.c 2016-10-09 16:55:38.886097714 +0200
+@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -6694,7 +6708,8 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.c
linux/fs/aufs/dcsub.c
+ err = -ENOMEM;
+ sz = dpages->ndpage * sizeof(*dpages->dpages);
+ p = au_kzrealloc(dpages->dpages, sz,
-+ sz + sizeof(*dpages->dpages), gfp);
++ sz + sizeof(*dpages->dpages), gfp,
++ /*may_shrink*/0);
+ if (unlikely(!p))
+ goto out;
+
@@ -6836,7 +6851,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.c
linux/fs/aufs/dcsub.c
+}
diff -urN /usr/share/empty/fs/aufs/dcsub.h linux/fs/aufs/dcsub.h
--- /usr/share/empty/fs/aufs/dcsub.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dcsub.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/dcsub.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -6976,7 +6991,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.h
linux/fs/aufs/dcsub.h
+#endif /* __AUFS_DCSUB_H__ */
diff -urN /usr/share/empty/fs/aufs/debug.c linux/fs/aufs/debug.c
--- /usr/share/empty/fs/aufs/debug.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/debug.c 2016-08-17 18:01:06.101888388 +0200
++++ linux/fs/aufs/debug.c 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,440 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -7420,7 +7435,7 @@ diff -urN /usr/share/empty/fs/aufs/debug.c
linux/fs/aufs/debug.c
+}
diff -urN /usr/share/empty/fs/aufs/debug.h linux/fs/aufs/debug.h
--- /usr/share/empty/fs/aufs/debug.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/debug.h 2016-07-25 19:05:34.811159821 +0200
++++ linux/fs/aufs/debug.h 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,225 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -7649,8 +7664,8 @@ diff -urN /usr/share/empty/fs/aufs/debug.h
linux/fs/aufs/debug.h
+#endif /* __AUFS_DEBUG_H__ */
diff -urN /usr/share/empty/fs/aufs/dentry.c linux/fs/aufs/dentry.c
--- /usr/share/empty/fs/aufs/dentry.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dentry.c 2016-08-17 18:01:06.111888648 +0200
-@@ -0,0 +1,1128 @@
++++ linux/fs/aufs/dentry.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,1130 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -7702,7 +7717,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c
linux/fs/aufs/dentry.c
+ br = au_sbr(dentry->d_sb, bindex);
+ wh_able = !!au_br_whable(br->br_perm);
+ if (wh_able)
-+ wh_found = au_wh_test(h_parent, wh_name, /*try_sio*/0);
++ wh_found = au_wh_test(h_parent, wh_name, ignore_perm);
+ h_dentry = ERR_PTR(wh_found);
+ if (!wh_found)
+ goto real_lookup;
@@ -8367,7 +8382,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c
linux/fs/aufs/dentry.c
+
+int au_refresh_dentry(struct dentry *dentry, struct dentry *parent)
+{
-+ int err, ebrange;
++ int err, ebrange, nbr;
+ unsigned int sigen;
+ struct au_dinfo *dinfo, *tmp;
+ struct super_block *sb;
@@ -8383,8 +8398,9 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c
linux/fs/aufs/dentry.c
+ if (unlikely(err))
+ goto out;
+
++ nbr = au_sbbot(sb) + 1;
+ dinfo = au_di(dentry);
-+ err = au_di_realloc(dinfo, au_sbbot(sb) + 1);
++ err = au_di_realloc(dinfo, nbr, /*may_shrink*/0);
+ if (unlikely(err))
+ goto out;
+ ebrange = au_dbrange_test(dentry);
@@ -8427,6 +8443,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c
linux/fs/aufs/dentry.c
+ au_dbg_verify_dinode(dentry);
+ AuTraceErr(err);
+ }
++ au_di_realloc(dinfo, nbr, /*may_shrink*/1); /* harmless if err */
+ au_rw_write_unlock(&tmp->di_rwsem);
+ au_di_free(tmp);
+ if (unlikely(err))
@@ -8781,7 +8798,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c
linux/fs/aufs/dentry.c
+};
diff -urN /usr/share/empty/fs/aufs/dentry.h linux/fs/aufs/dentry.h
--- /usr/share/empty/fs/aufs/dentry.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dentry.h 2016-08-17 18:01:06.111888648 +0200
++++ linux/fs/aufs/dentry.h 2016-10-09 16:55:38.889431135 +0200
@@ -0,0 +1,255 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -8864,7 +8881,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.h
linux/fs/aufs/dentry.h
+void au_di_cp(struct au_dinfo *dst, struct au_dinfo *src);
+int au_di_init(struct dentry *dentry);
+void au_di_fin(struct dentry *dentry);
-+int au_di_realloc(struct au_dinfo *dinfo, int nbr);
++int au_di_realloc(struct au_dinfo *dinfo, int nbr, int may_shrink);
+
+void di_read_lock(struct dentry *d, int flags, unsigned int lsc);
+void di_read_unlock(struct dentry *d, int flags);
@@ -9040,8 +9057,8 @@ diff -urN /usr/share/empty/fs/aufs/dentry.h
linux/fs/aufs/dentry.h
+#endif /* __AUFS_DENTRY_H__ */
diff -urN /usr/share/empty/fs/aufs/dinfo.c linux/fs/aufs/dinfo.c
--- /usr/share/empty/fs/aufs/dinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dinfo.c 2016-08-17 18:01:06.111888648 +0200
-@@ -0,0 +1,552 @@
++++ linux/fs/aufs/dinfo.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,553 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -9186,7 +9203,7 @@ diff -urN /usr/share/empty/fs/aufs/dinfo.c
linux/fs/aufs/dinfo.c
+ au_di_free(dinfo);
+}
+
-+int au_di_realloc(struct au_dinfo *dinfo, int nbr)
++int au_di_realloc(struct au_dinfo *dinfo, int nbr, int may_shrink)
+{
+ int err, sz;
+ struct au_hdentry *hdp;
@@ -9197,7 +9214,8 @@ diff -urN /usr/share/empty/fs/aufs/dinfo.c
linux/fs/aufs/dinfo.c
+ sz = sizeof(*hdp) * (dinfo->di_bbot + 1);
+ if (!sz)
+ sz = sizeof(*hdp);
-+ hdp = au_kzrealloc(dinfo->di_hdentry, sz, sizeof(*hdp) * nbr, GFP_NOFS);
++ hdp = au_kzrealloc(dinfo->di_hdentry, sz, sizeof(*hdp) * nbr, GFP_NOFS,
++ may_shrink);
+ if (hdp) {
+ dinfo->di_hdentry = hdp;
+ err = 0;
@@ -9596,7 +9614,7 @@ diff -urN /usr/share/empty/fs/aufs/dinfo.c
linux/fs/aufs/dinfo.c
+}
diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
--- /usr/share/empty/fs/aufs/dir.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dir.c 2016-08-17 18:01:06.111888648 +0200
++++ linux/fs/aufs/dir.c 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,762 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -10362,7 +10380,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.c
linux/fs/aufs/dir.c
+};
diff -urN /usr/share/empty/fs/aufs/dir.h linux/fs/aufs/dir.h
--- /usr/share/empty/fs/aufs/dir.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dir.h 2016-08-17 18:01:06.111888648 +0200
++++ linux/fs/aufs/dir.h 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -10503,8 +10521,8 @@ diff -urN /usr/share/empty/fs/aufs/dir.h
linux/fs/aufs/dir.h
+#endif /* __AUFS_DIR_H__ */
diff -urN /usr/share/empty/fs/aufs/dynop.c linux/fs/aufs/dynop.c
--- /usr/share/empty/fs/aufs/dynop.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dynop.c 2016-08-17 18:01:21.295617591 +0200
-@@ -0,0 +1,369 @@
++++ linux/fs/aufs/dynop.c 2016-10-09 16:55:36.489368218 +0200
+@@ -0,0 +1,371 @@
+/*
+ * Copyright (C) 2010-2016 Junjiro R. Okajima
+ *
@@ -10696,6 +10714,8 @@ diff -urN /usr/share/empty/fs/aufs/dynop.c
linux/fs/aufs/dynop.c
+ /* this one will be changed according to an aufs mount option */
+ DySetAop(direct_IO);
+ DySetAop(migratepage);
++ DySetAop(isolate_page);
++ DySetAop(putback_page);
+ DySetAop(launder_page);
+ DySetAop(is_partially_uptodate);
+ DySetAop(is_dirty_writeback);
@@ -10876,7 +10896,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.c
linux/fs/aufs/dynop.c
+}
diff -urN /usr/share/empty/fs/aufs/dynop.h linux/fs/aufs/dynop.h
--- /usr/share/empty/fs/aufs/dynop.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dynop.h 2016-08-17 18:01:06.118555489 +0200
++++ linux/fs/aufs/dynop.h 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2010-2016 Junjiro R. Okajima
@@ -10954,7 +10974,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.h
linux/fs/aufs/dynop.h
+#endif /* __AUFS_DYNOP_H__ */
diff -urN /usr/share/empty/fs/aufs/export.c linux/fs/aufs/export.c
--- /usr/share/empty/fs/aufs/export.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/export.c 2016-08-17 18:01:06.128555749 +0200
++++ linux/fs/aufs/export.c 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,837 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -11795,7 +11815,7 @@ diff -urN /usr/share/empty/fs/aufs/export.c
linux/fs/aufs/export.c
+}
diff -urN /usr/share/empty/fs/aufs/fhsm.c linux/fs/aufs/fhsm.c
--- /usr/share/empty/fs/aufs/fhsm.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/fhsm.c 2016-07-25 19:05:34.814493242 +0200
++++ linux/fs/aufs/fhsm.c 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,426 @@
+/*
+ * Copyright (C) 2011-2016 Junjiro R. Okajima
@@ -12225,8 +12245,8 @@ diff -urN /usr/share/empty/fs/aufs/fhsm.c
linux/fs/aufs/fhsm.c
+}
diff -urN /usr/share/empty/fs/aufs/file.c linux/fs/aufs/file.c
--- /usr/share/empty/fs/aufs/file.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/file.c 2016-08-17 18:01:21.295617591 +0200
-@@ -0,0 +1,845 @@
++++ linux/fs/aufs/file.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,857 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -12897,23 +12917,26 @@ diff -urN /usr/share/empty/fs/aufs/file.c
linux/fs/aufs/file.c
+ */
+static int refresh_file(struct file *file, int (*reopen)(struct file *file))
+{
-+ int err, need_reopen;
++ int err, need_reopen, nbr;
+ aufs_bindex_t bbot, bindex;
+ struct dentry *dentry;
++ struct super_block *sb;
+ struct au_finfo *finfo;
+ struct au_hfile *hfile;
+
+ dentry = file->f_path.dentry;
++ sb = dentry->d_sb;
++ nbr = au_sbbot(sb) + 1;
+ finfo = au_fi(file);
+ if (!finfo->fi_hdir) {
+ hfile = &finfo->fi_htop;
+ AuDebugOn(!hfile->hf_file);
-+ bindex = au_br_index(dentry->d_sb, hfile->hf_br->br_id);
++ bindex = au_br_index(sb, hfile->hf_br->br_id);
+ AuDebugOn(bindex < 0);
+ if (bindex != finfo->fi_btop)
+ au_set_fbtop(file, bindex);
+ } else {
-+ err = au_fidir_realloc(finfo, au_sbbot(dentry->d_sb) + 1);
++ err = au_fidir_realloc(finfo, nbr, /*may_shrink*/0);
+ if (unlikely(err))
+ goto out;
+ au_do_refresh_dir(file);
@@ -12923,6 +12946,9 @@ diff -urN /usr/share/empty/fs/aufs/file.c
linux/fs/aufs/file.c
+ need_reopen = 1;
+ if (!au_test_mmapped(file))
+ err = au_file_refresh_by_inode(file, &need_reopen);
++ if (finfo->fi_hdir)
++ /* harmless if err */
++ au_fidir_realloc(finfo, nbr, /*may_shrink*/1);
+ if (!err && need_reopen && !d_unlinked(dentry))
+ err = reopen(file);
+ if (!err) {
@@ -13030,6 +13056,10 @@ diff -urN /usr/share/empty/fs/aufs/file.c
linux/fs/aufs/file.c
+ struct page *page, enum migrate_mode mode)
+{ AuUnsupport(); return 0; }
+#endif
++static bool aufs_isolate_page(struct page *page, isolate_mode_t mode)
++{ AuUnsupport(); return true; }
++static void aufs_putback_page(struct page *page)
++{ AuUnsupport(); }
+static int aufs_launder_page(struct page *page)
+{ AuUnsupport(); return 0; }
+static int aufs_is_partially_uptodate(struct page *page,
@@ -13064,6 +13094,8 @@ diff -urN /usr/share/empty/fs/aufs/file.c
linux/fs/aufs/file.c
+ .releasepage = aufs_releasepage,
+ /* is fallback_migrate_page ok? */
+ /* .migratepage = aufs_migratepage, */
++ .isolate_page = aufs_isolate_page,
++ .putback_page = aufs_putback_page,
+ .launder_page = aufs_launder_page,
+ .is_partially_uptodate = aufs_is_partially_uptodate,
+ .is_dirty_writeback = aufs_is_dirty_writeback,
@@ -13074,7 +13106,7 @@ diff -urN /usr/share/empty/fs/aufs/file.c
linux/fs/aufs/file.c
+};
diff -urN /usr/share/empty/fs/aufs/file.h linux/fs/aufs/file.h
--- /usr/share/empty/fs/aufs/file.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/file.h 2016-08-17 18:01:06.135222590 +0200
++++ linux/fs/aufs/file.h 2016-10-09 16:55:38.889431135 +0200
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -13201,7 +13233,7 @@ diff -urN /usr/share/empty/fs/aufs/file.h
linux/fs/aufs/file.h
+
+void au_update_figen(struct file *file);
+struct au_fidir *au_fidir_alloc(struct super_block *sb);
-+int au_fidir_realloc(struct au_finfo *finfo, int nbr);
++int au_fidir_realloc(struct au_finfo *finfo, int nbr, int may_shrink);
+
+void au_fi_init_once(void *_fi);
+void au_finfo_fin(struct file *file, int atonce);
@@ -13372,7 +13404,7 @@ diff -urN /usr/share/empty/fs/aufs/file.h
linux/fs/aufs/file.h
+#endif /* __AUFS_FILE_H__ */
diff -urN /usr/share/empty/fs/aufs/finfo.c linux/fs/aufs/finfo.c
--- /usr/share/empty/fs/aufs/finfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/finfo.c 2016-08-17 18:01:06.135222590 +0200
++++ linux/fs/aufs/finfo.c 2016-10-09 16:55:38.889431135 +0200
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -13455,7 +13487,7 @@ diff -urN /usr/share/empty/fs/aufs/finfo.c
linux/fs/aufs/finfo.c
+ return fidir;
+}
+
-+int au_fidir_realloc(struct au_finfo *finfo, int nbr)
++int au_fidir_realloc(struct au_finfo *finfo, int nbr, int may_shrink)
+{
+ int err;
+ struct au_fidir *fidir, *p;
@@ -13466,7 +13498,7 @@ diff -urN /usr/share/empty/fs/aufs/finfo.c
linux/fs/aufs/finfo.c
+
+ err = -ENOMEM;
+ p = au_kzrealloc(fidir, au_fidir_sz(fidir->fd_nent), au_fidir_sz(nbr),
-+ GFP_NOFS);
++ GFP_NOFS, may_shrink);
+ if (p) {
+ p->fd_nent = nbr;
+ finfo->fi_hdir = p;
@@ -13527,7 +13559,7 @@ diff -urN /usr/share/empty/fs/aufs/finfo.c
linux/fs/aufs/finfo.c
+}
diff -urN /usr/share/empty/fs/aufs/f_op.c linux/fs/aufs/f_op.c
--- /usr/share/empty/fs/aufs/f_op.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/f_op.c 2016-08-17 18:01:06.135222590 +0200
++++ linux/fs/aufs/f_op.c 2016-10-09 16:55:36.489368218 +0200
@@ -0,0 +1,772 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -14303,7 +14335,7 @@ diff -urN /usr/share/empty/fs/aufs/f_op.c
linux/fs/aufs/f_op.c
+};
diff -urN /usr/share/empty/fs/aufs/fstype.h linux/fs/aufs/fstype.h
--- /usr/share/empty/fs/aufs/fstype.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/fstype.h 2016-08-17 18:01:06.145222850 +0200
++++ linux/fs/aufs/fstype.h 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,400 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -14707,7 +14739,7 @@ diff -urN /usr/share/empty/fs/aufs/fstype.h
linux/fs/aufs/fstype.h
+#endif /* __AUFS_FSTYPE_H__ */
diff -urN /usr/share/empty/fs/aufs/hfsnotify.c linux/fs/aufs/hfsnotify.c
--- /usr/share/empty/fs/aufs/hfsnotify.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/hfsnotify.c 2016-08-17 18:01:06.145222850 +0200
++++ linux/fs/aufs/hfsnotify.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,287 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -14998,7 +15030,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsnotify.c
linux/fs/aufs/hfsnotify.c
+};
diff -urN /usr/share/empty/fs/aufs/hfsplus.c linux/fs/aufs/hfsplus.c
--- /usr/share/empty/fs/aufs/hfsplus.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hfsplus.c 2016-07-25 19:05:34.814493242 +0200
++++ linux/fs/aufs/hfsplus.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2010-2016 Junjiro R. Okajima
@@ -15058,7 +15090,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsplus.c
linux/fs/aufs/hfsplus.c
+}
diff -urN /usr/share/empty/fs/aufs/hnotify.c linux/fs/aufs/hnotify.c
--- /usr/share/empty/fs/aufs/hnotify.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hnotify.c 2016-08-17 18:01:06.148556271 +0200
++++ linux/fs/aufs/hnotify.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,723 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -15785,8 +15817,8 @@ diff -urN /usr/share/empty/fs/aufs/hnotify.c
linux/fs/aufs/hnotify.c
+}
diff -urN /usr/share/empty/fs/aufs/iinfo.c linux/fs/aufs/iinfo.c
--- /usr/share/empty/fs/aufs/iinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/iinfo.c 2016-08-17 18:01:06.148556271 +0200
-@@ -0,0 +1,284 @@
++++ linux/fs/aufs/iinfo.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -16007,7 +16039,7 @@ diff -urN /usr/share/empty/fs/aufs/iinfo.c
linux/fs/aufs/iinfo.c
+ return -ENOMEM;
+}
+
-+int au_hinode_realloc(struct au_iinfo *iinfo, int nbr)
++int au_hinode_realloc(struct au_iinfo *iinfo, int nbr, int may_shrink)
+{
+ int err, i;
+ struct au_hinode *hip;
@@ -16015,7 +16047,8 @@ diff -urN /usr/share/empty/fs/aufs/iinfo.c
linux/fs/aufs/iinfo.c
+ AuRwMustWriteLock(&iinfo->ii_rwsem);
+
+ err = -ENOMEM;
-+ hip = krealloc(iinfo->ii_hinode, sizeof(*hip) * nbr, GFP_NOFS);
++ hip = au_krealloc(iinfo->ii_hinode, sizeof(*hip) * nbr, GFP_NOFS,
++ may_shrink);
+ if (hip) {
+ iinfo->ii_hinode = hip;
+ i = iinfo->ii_bbot + 1;
@@ -16073,8 +16106,8 @@ diff -urN /usr/share/empty/fs/aufs/iinfo.c
linux/fs/aufs/iinfo.c
+}
diff -urN /usr/share/empty/fs/aufs/inode.c linux/fs/aufs/inode.c
--- /usr/share/empty/fs/aufs/inode.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/inode.c 2016-07-25 19:05:34.814493242 +0200
-@@ -0,0 +1,517 @@
++++ linux/fs/aufs/inode.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,519 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -16117,7 +16150,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.c
linux/fs/aufs/inode.c
+
+static int au_ii_refresh(struct inode *inode, int *update)
+{
-+ int err, e;
++ int err, e, nbr;
+ umode_t type;
+ aufs_bindex_t bindex, new_bindex;
+ struct super_block *sb;
@@ -16129,9 +16162,10 @@ diff -urN /usr/share/empty/fs/aufs/inode.c
linux/fs/aufs/inode.c
+
+ *update = 0;
+ sb = inode->i_sb;
++ nbr = au_sbbot(sb) + 1;
+ type = inode->i_mode & S_IFMT;
+ iinfo = au_ii(inode);
-+ err = au_hinode_realloc(iinfo, au_sbbot(sb) + 1);
++ err = au_hinode_realloc(iinfo, nbr, /*may_shrink*/0);
+ if (unlikely(err))
+ goto out;
+
@@ -16169,6 +16203,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.c
linux/fs/aufs/inode.c
+ }
+ }
+ au_update_ibrange(inode, /*do_put_zero*/0);
++ au_hinode_realloc(iinfo, nbr, /*may_shrink*/1); /* harmless if err */
+ e = au_dy_irefresh(inode);
+ if (unlikely(e && !err))
+ err = e;
@@ -16594,7 +16629,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.c
linux/fs/aufs/inode.c
+}
diff -urN /usr/share/empty/fs/aufs/inode.h linux/fs/aufs/inode.h
--- /usr/share/empty/fs/aufs/inode.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/inode.h 2016-08-17 18:01:06.151889691 +0200
++++ linux/fs/aufs/inode.h 2016-10-09 16:55:38.889431135 +0200
@@ -0,0 +1,700 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -16869,7 +16904,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.h
linux/fs/aufs/inode.h
+void au_hinode_init(struct au_hinode *hinode);
+int au_iinfo_init(struct inode *inode);
+void au_iinfo_fin(struct inode *inode);
-+int au_hinode_realloc(struct au_iinfo *iinfo, int nbr);
++int au_hinode_realloc(struct au_iinfo *iinfo, int nbr, int may_shrink);
+
+#ifdef CONFIG_PROC_FS
+/* plink.c */
@@ -17298,7 +17333,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.h
linux/fs/aufs/inode.h
+#endif /* __AUFS_INODE_H__ */
diff -urN /usr/share/empty/fs/aufs/ioctl.c linux/fs/aufs/ioctl.c
--- /usr/share/empty/fs/aufs/ioctl.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/ioctl.c 2016-07-25 19:05:34.814493242 +0200
++++ linux/fs/aufs/ioctl.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,219 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -17521,7 +17556,7 @@ diff -urN /usr/share/empty/fs/aufs/ioctl.c
linux/fs/aufs/ioctl.c
+#endif
diff -urN /usr/share/empty/fs/aufs/i_op_add.c linux/fs/aufs/i_op_add.c
--- /usr/share/empty/fs/aufs/i_op_add.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/i_op_add.c 2016-08-17 18:01:06.148556271 +0200
++++ linux/fs/aufs/i_op_add.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,924 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -18449,8 +18484,8 @@ diff -urN /usr/share/empty/fs/aufs/i_op_add.c
linux/fs/aufs/i_op_add.c
+}
diff -urN /usr/share/empty/fs/aufs/i_op.c linux/fs/aufs/i_op.c
--- /usr/share/empty/fs/aufs/i_op.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/i_op.c 2016-08-17 18:01:06.148556271 +0200
-@@ -0,0 +1,1413 @@
++++ linux/fs/aufs/i_op.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,1451 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -18484,12 +18519,15 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c
linux/fs/aufs/i_op.c
+ int err;
+ const unsigned char write_mask = !!(mask & (MAY_WRITE | MAY_APPEND));
+
++ err = -EPERM;
++ if (write_mask && IS_IMMUTABLE(h_inode))
++ goto out;
++
+ err = -EACCES;
-+ if ((write_mask && IS_IMMUTABLE(h_inode))
-+ || ((mask & MAY_EXEC)
-+ && S_ISREG(h_inode->i_mode)
-+ && (path_noexec(h_path)
-+ || !(h_inode->i_mode & S_IXUGO))))
++ if (((mask & MAY_EXEC)
++ && S_ISREG(h_inode->i_mode)
++ && (path_noexec(h_path)
++ || !(h_inode->i_mode & S_IXUGO))))
+ goto out;
+
+ /*
@@ -19759,20 +19797,55 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c
linux/fs/aufs/i_op.c
+
+/* ---------------------------------------------------------------------- */
+
++static int au_is_special(struct inode *inode)
++{
++ return (inode->i_mode & (S_IFBLK | S_IFCHR | S_IFIFO | S_IFSOCK));
++}
++
+static int aufs_update_time(struct inode *inode, struct timespec *ts, int
flags)
+{
+ int err;
++ aufs_bindex_t bindex;
+ struct super_block *sb;
+ struct inode *h_inode;
++ struct vfsmount *h_mnt;
+
+ sb = inode->i_sb;
++ WARN_ONCE((flags & S_ATIME) && !IS_NOATIME(inode),
++ "unexpected s_flags 0x%lx", sb->s_flags);
++
+ /* mmap_sem might be acquired already, cf. aufs_mmap() */
+ lockdep_off();
+ si_read_lock(sb, AuLock_FLUSH);
+ ii_write_lock_child(inode);
+ lockdep_on();
-+ h_inode = au_h_iptr(inode, au_ibtop(inode));
-+ err = vfsub_update_time(h_inode, ts, flags);
++
++ err = 0;
++ bindex = au_ibtop(inode);
++ h_inode = au_h_iptr(inode, bindex);
++ if (!au_test_ro(sb, bindex, inode)) {
++ h_mnt = au_sbr_mnt(sb, bindex);
++ err = vfsub_mnt_want_write(h_mnt);
++ if (!err) {
++ err = vfsub_update_time(h_inode, ts, flags);
++ vfsub_mnt_drop_write(h_mnt);
++ }
++ } else if (au_is_special(h_inode)) {
++ /*
++ * Never copy-up here.
++ * These special files may already be opened and used for
++ * communicating. If we copied it up, then the communication
++ * would be corrupted.
++ */
++ AuWarn1("timestamps for i%lu are ignored "
++ "since it is on readonly branch (hi%lu).\n",
++ inode->i_ino, h_inode->i_ino);
++ } else if (flags & ~S_ATIME) {
++ err = -EIO;
++ AuIOErr1("unexpected flags 0x%x\n", flags);
++ AuDebugOn(1);
++ }
++
+ lockdep_off();
+ if (!err)
+ au_cpup_attr_timesizes(inode);
@@ -19866,7 +19939,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c
linux/fs/aufs/i_op.c
+};
diff -urN /usr/share/empty/fs/aufs/i_op_del.c linux/fs/aufs/i_op_del.c
--- /usr/share/empty/fs/aufs/i_op_del.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/i_op_del.c 2016-08-17 18:01:06.148556271 +0200
++++ linux/fs/aufs/i_op_del.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,511 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -20381,7 +20454,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op_del.c
linux/fs/aufs/i_op_del.c
+}
diff -urN /usr/share/empty/fs/aufs/i_op_ren.c linux/fs/aufs/i_op_ren.c
--- /usr/share/empty/fs/aufs/i_op_ren.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/i_op_ren.c 2016-08-17 18:01:06.148556271 +0200
++++ linux/fs/aufs/i_op_ren.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,1015 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -21400,7 +21473,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op_ren.c
linux/fs/aufs/i_op_ren.c
+}
diff -urN /usr/share/empty/fs/aufs/Kconfig linux/fs/aufs/Kconfig
--- /usr/share/empty/fs/aufs/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/Kconfig 2015-09-24 10:47:58.248052907 +0200
++++ linux/fs/aufs/Kconfig 2016-10-09 16:55:36.482701377 +0200
@@ -0,0 +1,185 @@
+config AUFS_FS
+ tristate "Aufs (Advanced multi layered unification filesystem) support"
@@ -21589,8 +21662,8 @@ diff -urN /usr/share/empty/fs/aufs/Kconfig
linux/fs/aufs/Kconfig
+endif
diff -urN /usr/share/empty/fs/aufs/loop.c linux/fs/aufs/loop.c
--- /usr/share/empty/fs/aufs/loop.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/loop.c 2016-08-17 18:01:06.151889691 +0200
-@@ -0,0 +1,146 @@
++++ linux/fs/aufs/loop.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -21697,7 +21770,8 @@ diff -urN /usr/share/empty/fs/aufs/loop.c
linux/fs/aufs/loop.c
+ new_nelem = au_warn_loopback_nelem + au_warn_loopback_step;
+ a = au_kzrealloc(au_warn_loopback_array,
+ au_warn_loopback_nelem * sizeof(unsigned long),
-+ new_nelem * sizeof(unsigned long), GFP_ATOMIC);
++ new_nelem * sizeof(unsigned long), GFP_ATOMIC,
++ /*may_shrink*/0);
+ if (a) {
+ au_warn_loopback_nelem = new_nelem;
+ au_warn_loopback_array = a;
@@ -21739,7 +21813,7 @@ diff -urN /usr/share/empty/fs/aufs/loop.c
linux/fs/aufs/loop.c
+}
diff -urN /usr/share/empty/fs/aufs/loop.h linux/fs/aufs/loop.h
--- /usr/share/empty/fs/aufs/loop.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/loop.h 2016-07-25 19:05:34.814493242 +0200
++++ linux/fs/aufs/loop.h 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -21795,7 +21869,7 @@ diff -urN /usr/share/empty/fs/aufs/loop.h
linux/fs/aufs/loop.h
+#endif /* __AUFS_LOOP_H__ */
diff -urN /usr/share/empty/fs/aufs/magic.mk linux/fs/aufs/magic.mk
--- /usr/share/empty/fs/aufs/magic.mk 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/magic.mk 2015-09-24 10:47:58.254719746 +0200
++++ linux/fs/aufs/magic.mk 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,30 @@
+
+# defined in ${srctree}/fs/fuse/inode.c
@@ -21829,7 +21903,7 @@ diff -urN /usr/share/empty/fs/aufs/magic.mk
linux/fs/aufs/magic.mk
+endif
diff -urN /usr/share/empty/fs/aufs/Makefile linux/fs/aufs/Makefile
--- /usr/share/empty/fs/aufs/Makefile 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/Makefile 2015-09-24 10:47:58.248052907 +0200
++++ linux/fs/aufs/Makefile 2016-10-09 16:55:36.486034798 +0200
@@ -0,0 +1,44 @@
+
+include ${src}/magic.mk
@@ -21877,8 +21951,8 @@ diff -urN /usr/share/empty/fs/aufs/Makefile
linux/fs/aufs/Makefile
+aufs-$(CONFIG_AUFS_MAGIC_SYSRQ) += sysrq.o
diff -urN /usr/share/empty/fs/aufs/module.c linux/fs/aufs/module.c
--- /usr/share/empty/fs/aufs/module.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/module.c 2016-08-17 18:01:06.151889691 +0200
-@@ -0,0 +1,289 @@
++++ linux/fs/aufs/module.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,333 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -21904,13 +21978,57 @@ diff -urN /usr/share/empty/fs/aufs/module.c
linux/fs/aufs/module.c
+#include <linux/seq_file.h>
+#include "aufs.h"
+
-+void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t
gfp)
++/* shrinkable realloc */
++void *au_krealloc(void *p, unsigned int new_sz, gfp_t gfp, int may_shrink)
+{
-+ if (new_sz <= nused)
-+ return p;
++ size_t sz;
++ int diff;
+
-+ p = krealloc(p, new_sz, gfp);
-+ if (p)
++ sz = 0;
++ diff = -1;
++ if (p) {
++#if 0 /* unused */
++ if (!new_sz) {
++ au_delayed_kfree(p);
++ p = NULL;
++ goto out;
++ }
++#else
++ AuDebugOn(!new_sz);
++#endif
++ sz = ksize(p);
++ diff = au_kmidx_sub(sz, new_sz);
++ }
++ if (sz && !diff)
++ goto out;
++
++ if (sz < new_sz)
++ /* expand or SLOB */
++ p = krealloc(p, new_sz, gfp);
++ else if (new_sz < sz && may_shrink) {
++ /* shrink */
++ void *q;
++
++ q = kmalloc(new_sz, gfp);
++ if (q) {
++ if (p) {
++ memcpy(q, p, new_sz);
++ au_delayed_kfree(p);
++ }
++ p = q;
++ } else
++ p = NULL;
++ }
++
++out:
++ return p;
++}
++
++void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t
gfp,
++ int may_shrink)
++{
++ p = au_krealloc(p, new_sz, gfp, may_shrink);
++ if (p && new_sz > nused)
+ memset(p + nused, 0, new_sz - nused);
+ return p;
+}
@@ -21932,9 +22050,9 @@ diff -urN /usr/share/empty/fs/aufs/module.c
linux/fs/aufs/module.c
+ head = &au_dfree.cache[AuCache_##idx].llist; \
+ node = llist_del_all(head); \
+ for (; node; node = next) { \
-+ struct au_##name *p = \
-+ p = llist_entry(node, struct au_##name, \
-+ lnode); \
++ struct au_##name *p \
++ = llist_entry(node, struct au_##name, \
++ lnode); \
+ next = llist_next(node); \
+ au_cache_free_##name(p); \
+ } \
@@ -22170,8 +22288,8 @@ diff -urN /usr/share/empty/fs/aufs/module.c
linux/fs/aufs/module.c
+module_exit(aufs_exit);
diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
--- /usr/share/empty/fs/aufs/module.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/module.h 2016-08-17 18:01:06.158556531 +0200
-@@ -0,0 +1,144 @@
++++ linux/fs/aufs/module.h 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -22212,7 +22330,19 @@ diff -urN /usr/share/empty/fs/aufs/module.h
linux/fs/aufs/module.h
+
+extern int au_dir_roflags;
+
-+void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t
gfp);
++void *au_krealloc(void *p, unsigned int new_sz, gfp_t gfp, int may_shrink);
++void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t
gfp,
++ int may_shrink);
++
++static inline int au_kmidx_sub(size_t sz, size_t new_sz)
++{
++#ifndef CONFIG_SLOB
++ return kmalloc_index(sz) - kmalloc_index(new_sz);
++#else
++ return -1; /* SLOB is untested */
++#endif
++}
++
+int au_seq_path(struct seq_file *seq, struct path *path);
+
+#ifdef CONFIG_PROC_FS
@@ -22318,7 +22448,7 @@ diff -urN /usr/share/empty/fs/aufs/module.h
linux/fs/aufs/module.h
+#endif /* __AUFS_MODULE_H__ */
diff -urN /usr/share/empty/fs/aufs/mvdown.c linux/fs/aufs/mvdown.c
--- /usr/share/empty/fs/aufs/mvdown.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/mvdown.c 2016-08-17 18:01:06.158556531 +0200
++++ linux/fs/aufs/mvdown.c 2016-10-09 16:55:36.492701639 +0200
@@ -0,0 +1,704 @@
+/*
+ * Copyright (C) 2011-2016 Junjiro R. Okajima
@@ -23026,7 +23156,7 @@ diff -urN /usr/share/empty/fs/aufs/mvdown.c
linux/fs/aufs/mvdown.c
+}
diff -urN /usr/share/empty/fs/aufs/opts.c linux/fs/aufs/opts.c
--- /usr/share/empty/fs/aufs/opts.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/opts.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/opts.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,1860 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -24890,7 +25020,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.c
linux/fs/aufs/opts.c
+}
diff -urN /usr/share/empty/fs/aufs/opts.h linux/fs/aufs/opts.h
--- /usr/share/empty/fs/aufs/opts.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/opts.h 2016-07-25 19:05:34.814493242 +0200
++++ linux/fs/aufs/opts.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -25105,7 +25235,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.h
linux/fs/aufs/opts.h
+#endif /* __AUFS_OPTS_H__ */
diff -urN /usr/share/empty/fs/aufs/plink.c linux/fs/aufs/plink.c
--- /usr/share/empty/fs/aufs/plink.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/plink.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/plink.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,514 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -25623,7 +25753,7 @@ diff -urN /usr/share/empty/fs/aufs/plink.c
linux/fs/aufs/plink.c
+}
diff -urN /usr/share/empty/fs/aufs/poll.c linux/fs/aufs/poll.c
--- /usr/share/empty/fs/aufs/poll.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/poll.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/poll.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -25679,7 +25809,7 @@ diff -urN /usr/share/empty/fs/aufs/poll.c
linux/fs/aufs/poll.c
+}
diff -urN /usr/share/empty/fs/aufs/posix_acl.c linux/fs/aufs/posix_acl.c
--- /usr/share/empty/fs/aufs/posix_acl.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/posix_acl.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/posix_acl.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2014-2016 Junjiro R. Okajima
@@ -25781,7 +25911,7 @@ diff -urN /usr/share/empty/fs/aufs/posix_acl.c
linux/fs/aufs/posix_acl.c
+}
diff -urN /usr/share/empty/fs/aufs/procfs.c linux/fs/aufs/procfs.c
--- /usr/share/empty/fs/aufs/procfs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/procfs.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/procfs.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2010-2016 Junjiro R. Okajima
@@ -25954,7 +26084,7 @@ diff -urN /usr/share/empty/fs/aufs/procfs.c
linux/fs/aufs/procfs.c
+}
diff -urN /usr/share/empty/fs/aufs/rdu.c linux/fs/aufs/rdu.c
--- /usr/share/empty/fs/aufs/rdu.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/rdu.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/rdu.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,381 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -26339,7 +26469,7 @@ diff -urN /usr/share/empty/fs/aufs/rdu.c
linux/fs/aufs/rdu.c
+#endif
diff -urN /usr/share/empty/fs/aufs/rwsem.h linux/fs/aufs/rwsem.h
--- /usr/share/empty/fs/aufs/rwsem.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/rwsem.h 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/rwsem.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -26541,8 +26671,8 @@ diff -urN /usr/share/empty/fs/aufs/rwsem.h
linux/fs/aufs/rwsem.h
+#endif /* __AUFS_RWSEM_H__ */
diff -urN /usr/share/empty/fs/aufs/sbinfo.c linux/fs/aufs/sbinfo.c
--- /usr/share/empty/fs/aufs/sbinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sbinfo.c 2016-08-17 18:01:06.161889951 +0200
-@@ -0,0 +1,354 @@
++++ linux/fs/aufs/sbinfo.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,355 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -26676,7 +26806,7 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c
linux/fs/aufs/sbinfo.c
+ return err;
+}
+
-+int au_sbr_realloc(struct au_sbinfo *sbinfo, int nbr)
++int au_sbr_realloc(struct au_sbinfo *sbinfo, int nbr, int may_shrink)
+{
+ int err, sz;
+ struct au_branch **brp;
@@ -26687,7 +26817,8 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c
linux/fs/aufs/sbinfo.c
+ sz = sizeof(*brp) * (sbinfo->si_bbot + 1);
+ if (unlikely(!sz))
+ sz = sizeof(*brp);
-+ brp = au_kzrealloc(sbinfo->si_branch, sz, sizeof(*brp) * nbr, GFP_NOFS);
++ brp = au_kzrealloc(sbinfo->si_branch, sz, sizeof(*brp) * nbr, GFP_NOFS,
++ may_shrink);
+ if (brp) {
+ sbinfo->si_branch = brp;
+ err = 0;
@@ -26899,7 +27030,7 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c
linux/fs/aufs/sbinfo.c
+}
diff -urN /usr/share/empty/fs/aufs/spl.h linux/fs/aufs/spl.h
--- /usr/share/empty/fs/aufs/spl.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/spl.h 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/spl.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -27016,7 +27147,7 @@ diff -urN /usr/share/empty/fs/aufs/spl.h
linux/fs/aufs/spl.h
+#endif /* __AUFS_SPL_H__ */
diff -urN /usr/share/empty/fs/aufs/super.c linux/fs/aufs/super.c
--- /usr/share/empty/fs/aufs/super.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/super.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/super.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,1038 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -28058,7 +28189,7 @@ diff -urN /usr/share/empty/fs/aufs/super.c
linux/fs/aufs/super.c
+};
diff -urN /usr/share/empty/fs/aufs/super.h linux/fs/aufs/super.h
--- /usr/share/empty/fs/aufs/super.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/super.h 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/super.h 2016-10-09 16:55:38.889431135 +0200
@@ -0,0 +1,638 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -28341,7 +28472,7 @@ diff -urN /usr/share/empty/fs/aufs/super.h
linux/fs/aufs/super.h
+/* sbinfo.c */
+void au_si_free(struct kobject *kobj);
+int au_si_alloc(struct super_block *sb);
-+int au_sbr_realloc(struct au_sbinfo *sbinfo, int nbr);
++int au_sbr_realloc(struct au_sbinfo *sbinfo, int nbr, int may_shrink);
+
+unsigned int au_sigen_inc(struct super_block *sb);
+aufs_bindex_t au_new_br_id(struct super_block *sb);
@@ -28700,7 +28831,7 @@ diff -urN /usr/share/empty/fs/aufs/super.h
linux/fs/aufs/super.h
+#endif /* __AUFS_SUPER_H__ */
diff -urN /usr/share/empty/fs/aufs/sysaufs.c linux/fs/aufs/sysaufs.c
--- /usr/share/empty/fs/aufs/sysaufs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysaufs.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/sysaufs.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -28808,7 +28939,7 @@ diff -urN /usr/share/empty/fs/aufs/sysaufs.c
linux/fs/aufs/sysaufs.c
+}
diff -urN /usr/share/empty/fs/aufs/sysaufs.h linux/fs/aufs/sysaufs.h
--- /usr/share/empty/fs/aufs/sysaufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysaufs.h 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/sysaufs.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -28913,7 +29044,7 @@ diff -urN /usr/share/empty/fs/aufs/sysaufs.h
linux/fs/aufs/sysaufs.h
+#endif /* __SYSAUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/sysfs.c linux/fs/aufs/sysfs.c
--- /usr/share/empty/fs/aufs/sysfs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysfs.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/sysfs.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,376 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -29293,7 +29424,7 @@ diff -urN /usr/share/empty/fs/aufs/sysfs.c
linux/fs/aufs/sysfs.c
+}
diff -urN /usr/share/empty/fs/aufs/sysrq.c linux/fs/aufs/sysrq.c
--- /usr/share/empty/fs/aufs/sysrq.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysrq.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/sysrq.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -29454,8 +29585,8 @@ diff -urN /usr/share/empty/fs/aufs/sysrq.c
linux/fs/aufs/sysrq.c
+}
diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
--- /usr/share/empty/fs/aufs/vdir.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vdir.c 2016-08-17 18:01:06.161889951 +0200
-@@ -0,0 +1,899 @@
++++ linux/fs/aufs/vdir.c 2016-10-09 16:55:38.889431135 +0200
+@@ -0,0 +1,900 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
+ *
@@ -29737,8 +29868,8 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c
linux/fs/aufs/vdir.c
+ unsigned char **o;
+
+ err = -ENOMEM;
-+ o = krealloc(vdir->vd_deblk, sizeof(*o) * (vdir->vd_nblk + 1),
-+ GFP_NOFS);
++ o = au_krealloc(vdir->vd_deblk, sizeof(*o) * (vdir->vd_nblk + 1),
++ GFP_NOFS, /*may_shrink*/0);
+ if (unlikely(!o))
+ goto out;
+
@@ -30161,8 +30292,8 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c
linux/fs/aufs/vdir.c
+ if (tgt->vd_nblk < src->vd_nblk) {
+ unsigned char **p;
+
-+ p = krealloc(tgt->vd_deblk, sizeof(*p) * src->vd_nblk,
-+ GFP_NOFS);
++ p = au_krealloc(tgt->vd_deblk, sizeof(*p) * src->vd_nblk,
++ GFP_NOFS, /*may_shrink*/0);
+ if (unlikely(!p))
+ goto out;
+ tgt->vd_deblk = p;
@@ -30172,7 +30303,8 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c
linux/fs/aufs/vdir.c
+ unsigned char *p;
+
+ tgt->vd_deblk_sz = deblk_sz;
-+ p = krealloc(tgt->vd_deblk[0], deblk_sz, GFP_NOFS);
++ p = au_krealloc(tgt->vd_deblk[0], deblk_sz, GFP_NOFS,
++ /*may_shrink*/1);
+ if (unlikely(!p))
+ goto out;
+ tgt->vd_deblk[0] = p;
@@ -30357,7 +30489,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c
linux/fs/aufs/vdir.c
+}
diff -urN /usr/share/empty/fs/aufs/vfsub.c linux/fs/aufs/vfsub.c
--- /usr/share/empty/fs/aufs/vfsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vfsub.c 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/vfsub.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,884 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -31245,7 +31377,7 @@ diff -urN /usr/share/empty/fs/aufs/vfsub.c
linux/fs/aufs/vfsub.c
+}
diff -urN /usr/share/empty/fs/aufs/vfsub.h linux/fs/aufs/vfsub.h
--- /usr/share/empty/fs/aufs/vfsub.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vfsub.h 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/vfsub.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,316 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -31565,7 +31697,7 @@ diff -urN /usr/share/empty/fs/aufs/vfsub.h
linux/fs/aufs/vfsub.h
+#endif /* __AUFS_VFSUB_H__ */
diff -urN /usr/share/empty/fs/aufs/wbr_policy.c linux/fs/aufs/wbr_policy.c
--- /usr/share/empty/fs/aufs/wbr_policy.c 1970-01-01 01:00:00.000000000
+0100
-+++ linux/fs/aufs/wbr_policy.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/wbr_policy.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,765 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -32334,7 +32466,7 @@ diff -urN /usr/share/empty/fs/aufs/wbr_policy.c
linux/fs/aufs/wbr_policy.c
+};
diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
--- /usr/share/empty/fs/aufs/whout.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/whout.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/whout.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,1060 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -33398,7 +33530,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c
linux/fs/aufs/whout.c
+}
diff -urN /usr/share/empty/fs/aufs/whout.h linux/fs/aufs/whout.h
--- /usr/share/empty/fs/aufs/whout.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/whout.h 2016-07-25 19:05:34.817826663 +0200
++++ linux/fs/aufs/whout.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -33487,7 +33619,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.h
linux/fs/aufs/whout.h
+#endif /* __AUFS_WHOUT_H__ */
diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
--- /usr/share/empty/fs/aufs/wkq.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/wkq.c 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/wkq.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -33704,7 +33836,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.c
linux/fs/aufs/wkq.c
+}
diff -urN /usr/share/empty/fs/aufs/wkq.h linux/fs/aufs/wkq.h
--- /usr/share/empty/fs/aufs/wkq.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/wkq.h 2016-08-17 18:01:06.161889951 +0200
++++ linux/fs/aufs/wkq.h 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -33801,7 +33933,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.h
linux/fs/aufs/wkq.h
+#endif /* __AUFS_WKQ_H__ */
diff -urN /usr/share/empty/fs/aufs/xattr.c linux/fs/aufs/xattr.c
--- /usr/share/empty/fs/aufs/xattr.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/xattr.c 2016-08-17 18:01:06.165223371 +0200
++++ linux/fs/aufs/xattr.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,347 @@
+/*
+ * Copyright (C) 2014-2016 Junjiro R. Okajima
@@ -34152,7 +34284,7 @@ diff -urN /usr/share/empty/fs/aufs/xattr.c
linux/fs/aufs/xattr.c
+#endif
diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
--- /usr/share/empty/fs/aufs/xino.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/xino.c 2016-08-17 18:01:06.165223371 +0200
++++ linux/fs/aufs/xino.c 2016-10-09 16:55:36.496035060 +0200
@@ -0,0 +1,1318 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -35474,7 +35606,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c
linux/fs/aufs/xino.c
+}
diff -urN /usr/share/empty/include/uapi/linux/aufs_type.h
linux/include/uapi/linux/aufs_type.h
--- /usr/share/empty/include/uapi/linux/aufs_type.h 1970-01-01
01:00:00.000000000 +0100
-+++ linux/include/uapi/linux/aufs_type.h 2016-08-17 18:01:21.295617591
+0200
++++ linux/include/uapi/linux/aufs_type.h 2016-10-09 16:55:38.889431135
+0200
@@ -0,0 +1,419 @@
+/*
+ * Copyright (C) 2005-2016 Junjiro R. Okajima
@@ -35517,7 +35649,7 @@ diff -urN
/usr/share/empty/include/uapi/linux/aufs_type.h linux/include/uapi/lin
+
+#include <linux/limits.h>
+
-+#define AUFS_VERSION "4.7-20160815"
++#define AUFS_VERSION "4.x-rcN-20161003"
+
+/* todo? move this to linux-2.6.19/include/magic.h */
+#define AUFS_SUPER_MAGIC ('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
@@ -35895,13 +36027,13 @@ diff -urN
/usr/share/empty/include/uapi/linux/aufs_type.h linux/include/uapi/lin
+#define AUFS_CTL_FHSM_FD _IOW(AuCtlType, AuCtl_FHSM_FD, int)
+
+#endif /* __AUFS_TYPE_H__ */
-aufs4.7 loopback patch
+aufs4.x-rcN loopback patch
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
-index 7339e65..76e5da4 100644
+index 005e292..e9e517d 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
-@@ -562,7 +562,7 @@ static int do_req_filebacked(struct loop_device *lo,
struct request *rq)
+@@ -551,7 +551,7 @@ static int do_req_filebacked(struct loop_device *lo,
struct request *rq)
}
struct switch_request {
@@ -35910,7 +36042,7 @@ index 7339e65..76e5da4 100644
struct completion wait;
};
-@@ -588,6 +588,7 @@ static void do_loop_switch(struct loop_device *lo, struct
switch_request *p)
+@@ -577,6 +577,7 @@ static void do_loop_switch(struct loop_device *lo, struct
switch_request *p)
mapping = file->f_mapping;
mapping_set_gfp_mask(old_file->f_mapping, lo->old_gfp_mask);
lo->lo_backing_file = file;
@@ -35918,7 +36050,7 @@ index 7339e65..76e5da4 100644
lo->lo_blocksize = S_ISBLK(mapping->host->i_mode) ?
mapping->host->i_bdev->bd_block_size : PAGE_SIZE;
lo->old_gfp_mask = mapping_gfp_mask(mapping);
-@@ -600,11 +601,13 @@ static void do_loop_switch(struct loop_device *lo,
struct switch_request *p)
+@@ -589,11 +590,13 @@ static void do_loop_switch(struct loop_device *lo,
struct switch_request *p)
* First it needs to flush existing IO, it does this by sending a magic
* BIO down the pipe. The completion of this BIO does the actual switch.
*/
@@ -35933,7 +36065,7 @@ index 7339e65..76e5da4 100644
/* freeze queue and wait for completion of scheduled requests */
blk_mq_freeze_queue(lo->lo_queue);
-@@ -623,7 +626,16 @@ static int loop_switch(struct loop_device *lo, struct
file *file)
+@@ -612,7 +615,16 @@ static int loop_switch(struct loop_device *lo, struct
file *file)
*/
static int loop_flush(struct loop_device *lo)
{
@@ -35951,7 +36083,7 @@ index 7339e65..76e5da4 100644
}
static void loop_reread_partitions(struct loop_device *lo,
-@@ -660,6 +672,7 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
+@@ -649,6 +661,7 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
unsigned int arg)
{
struct file *file, *old_file;
@@ -35959,7 +36091,7 @@ index 7339e65..76e5da4 100644
struct inode *inode;
int error;
-@@ -676,9 +689,16 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
+@@ -665,9 +678,16 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
file = fget(arg);
if (!file)
goto out;
@@ -35976,7 +36108,7 @@ index 7339e65..76e5da4 100644
error = -EINVAL;
-@@ -690,17 +710,21 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
+@@ -679,17 +699,21 @@ static int loop_change_fd(struct loop_device *lo, struct
block_device *bdev,
goto out_putf;
/* and ... switch */
@@ -35999,7 +36131,7 @@ index 7339e65..76e5da4 100644
out:
return error;
}
-@@ -887,7 +911,7 @@ static int loop_prepare_queue(struct loop_device *lo)
+@@ -876,7 +900,7 @@ static int loop_prepare_queue(struct loop_device *lo)
static int loop_set_fd(struct loop_device *lo, fmode_t mode,
struct block_device *bdev, unsigned int arg)
{
@@ -36008,7 +36140,7 @@ index 7339e65..76e5da4 100644
struct inode *inode;
struct address_space *mapping;
unsigned lo_blocksize;
-@@ -902,6 +926,12 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
+@@ -891,6 +915,12 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
file = fget(arg);
if (!file)
goto out;
@@ -36021,7 +36153,7 @@ index 7339e65..76e5da4 100644
error = -EBUSY;
if (lo->lo_state != Lo_unbound)
-@@ -954,6 +984,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
+@@ -943,6 +973,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
lo->lo_device = bdev;
lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
@@ -36029,7 +36161,7 @@ index 7339e65..76e5da4 100644
lo->transfer = NULL;
lo->ioctl = NULL;
lo->lo_sizelimit = 0;
-@@ -986,6 +1017,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
+@@ -975,6 +1006,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t
mode,
out_putf:
fput(file);
@@ -36038,7 +36170,7 @@ index 7339e65..76e5da4 100644
out:
/* This is safe: open() is still holding a reference. */
module_put(THIS_MODULE);
-@@ -1032,6 +1065,7 @@ loop_init_xfer(struct loop_device *lo, struct
loop_func_table *xfer,
+@@ -1021,6 +1054,7 @@ loop_init_xfer(struct loop_device *lo, struct
loop_func_table *xfer,
static int loop_clr_fd(struct loop_device *lo)
{
struct file *filp = lo->lo_backing_file;
@@ -36046,7 +36178,7 @@ index 7339e65..76e5da4 100644
gfp_t gfp = lo->old_gfp_mask;
struct block_device *bdev = lo->lo_device;
-@@ -1063,6 +1097,7 @@ static int loop_clr_fd(struct loop_device *lo)
+@@ -1052,6 +1086,7 @@ static int loop_clr_fd(struct loop_device *lo)
spin_lock_irq(&lo->lo_lock);
lo->lo_state = Lo_rundown;
lo->lo_backing_file = NULL;
@@ -36054,7 +36186,7 @@ index 7339e65..76e5da4 100644
spin_unlock_irq(&lo->lo_lock);
loop_release_xfer(lo);
-@@ -1107,6 +1142,8 @@ static int loop_clr_fd(struct loop_device *lo)
+@@ -1096,6 +1131,8 @@ static int loop_clr_fd(struct loop_device *lo)
* bd_mutex which is usually taken before lo_ctl_mutex.
*/
fput(filp);
@@ -36090,10 +36222,10 @@ index 00475fb..01390e1 100644
if (file->f_mapping != h_file->f_mapping) {
file->f_mapping = h_file->f_mapping;
diff --git a/fs/aufs/loop.c b/fs/aufs/loop.c
-index e92a345..35f4d48 100644
+index c3ca50f..a3dbdaf 100644
--- a/fs/aufs/loop.c
+++ b/fs/aufs/loop.c
-@@ -131,3 +131,19 @@ void au_loopback_fin(void)
+@@ -132,3 +132,19 @@ void au_loopback_fin(void)
symbol_put(loop_backing_file);
au_delayed_kfree(au_warn_loopback_array);
}
@@ -36155,10 +36287,10 @@ index 58a773c..75f212c 100644
/* ---------------------------------------------------------------------- */
diff --git a/include/linux/fs.h b/include/linux/fs.h
-index 33c6953..f9b06a2 100644
+index fc80663..0c4c6fa 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
-@@ -1805,6 +1805,10 @@ struct super_operations {
+@@ -1814,6 +1814,10 @@ struct super_operations {
struct shrink_control *);
long (*free_cached_objects)(struct super_block *,
struct shrink_control *);
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/packages/kernel.git/commitdiff/e2f27e51ceca2d312847b5db0436f7004fe489b7
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