Add quota calls for allocation and freeing of inodes and space, also update
estimates on number of needed credits for a transaction. Move out inode
allocation from ocfs2_mknod_locked() because vfs_dq_init() must be called
outside of a transaction.
Signed-off-by: Jan Kara <[EMAIL PROTECTED]>
---
fs/ocfs2/alloc.c | 18 ++++++-
fs/ocfs2/aops.c | 16 +++++-
fs/ocfs2/dir.c | 24 ++++++++-
fs/ocfs2/file.c | 70 ++++++++++++++++++++++--
fs/ocfs2/inode.c | 10 +++-
fs/ocfs2/journal.h | 84 ++++++++++++++++++++++++-----
fs/ocfs2/namei.c | 151 +++++++++++++++++++++++++++++++++++----------------
fs/ocfs2/xattr.c | 4 +-
8 files changed, 298 insertions(+), 79 deletions(-)
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 0cc2deb..f18be46 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/swap.h>
+#include <linux/quotaops.h>
#define MLOG_MASK_PREFIX ML_DISK_ALLOC
#include <cluster/masklog.h>
@@ -6350,6 +6351,8 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb,
goto bail;
}
+ vfs_dq_free_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, clusters_to_del));
spin_lock(&OCFS2_I(inode)->ip_lock);
OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) -
clusters_to_del;
@@ -6663,6 +6666,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode
*inode,
struct page **pages = NULL;
loff_t end = osb->s_clustersize;
struct ocfs2_extent_tree et;
+ int did_quota = 0;
has_data = i_size_read(inode) ? 1 : 0;
@@ -6682,7 +6686,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode
*inode,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_INLINE_TO_EXTENTS_CREDITS);
+ handle = ocfs2_start_trans(osb,
+ ocfs2_inline_to_extents_credits(osb->sb));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
mlog_errno(ret);
@@ -6701,6 +6706,13 @@ int ocfs2_convert_inline_data_to_extents(struct inode
*inode,
unsigned int page_end;
u64 phys;
+ if (vfs_dq_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, 1))) {
+ ret = -EDQUOT;
+ goto out_commit;
+ }
+ did_quota = 1;
+
ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
&num);
if (ret) {
@@ -6774,6 +6786,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode
*inode,
}
out_commit:
+ if (ret < 0 && did_quota)
+ vfs_dq_free_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, 1));
+
ocfs2_commit_trans(osb, handle);
out_unlock:
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index c22543b..a427888 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -27,6 +27,7 @@
#include <linux/swap.h>
#include <linux/pipe_fs_i.h>
#include <linux/mpage.h>
+#include <linux/quotaops.h>
#define MLOG_MASK_PREFIX ML_FILE_IO
#include <cluster/masklog.h>
@@ -1750,6 +1751,11 @@ int ocfs2_write_begin_nolock(struct address_space
*mapping,
wc->w_handle = handle;
+ if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) {
+ ret = -EDQUOT;
+ goto out_commit;
+ }
/*
* We don't want this to fail in ocfs2_write_end(), so do it
* here.
@@ -1758,7 +1764,7 @@ int ocfs2_write_begin_nolock(struct address_space
*mapping,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out_quota;
}
/*
@@ -1771,14 +1777,14 @@ int ocfs2_write_begin_nolock(struct address_space
*mapping,
mmap_page);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out_quota;
}
ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos,
len);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out_quota;
}
if (data_ac)
@@ -1790,6 +1796,10 @@ success:
*pagep = wc->w_target_page;
*fsdata = wc;
return 0;
+out_quota:
+ if (clusters_to_alloc)
+ vfs_dq_free_space(inode,
+ ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));
out_commit:
ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 084ba9c..57c6e19 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -40,6 +40,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/quotaops.h>
#define MLOG_MASK_PREFIX ML_NAMEI
#include <cluster/masklog.h>
@@ -1216,9 +1217,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir,
struct buffer_head *di_bh,
unsigned int blocks_wanted,
struct buffer_head **first_block_bh)
{
- int ret, credits = OCFS2_INLINE_TO_EXTENTS_CREDITS;
u32 alloc, bit_off, len;
struct super_block *sb = dir->i_sb;
+ int ret, credits = ocfs2_inline_to_extents_credits(sb);
u64 blkno, bytes = blocks_wanted << sb->s_blocksize_bits;
struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
struct ocfs2_inode_info *oi = OCFS2_I(dir);
@@ -1227,6 +1228,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir,
struct buffer_head *di_bh,
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
handle_t *handle;
struct ocfs2_extent_tree et;
+ int did_quota = 0;
ocfs2_init_dinode_extent_tree(&et, dir, di_bh);
@@ -1264,6 +1266,12 @@ static int ocfs2_expand_inline_dir(struct inode *dir,
struct buffer_head *di_bh,
goto out_sem;
}
+ if (vfs_dq_alloc_space_nodirty(dir,
+ ocfs2_clusters_to_bytes(osb->sb, alloc))) {
+ ret = -EDQUOT;
+ goto out_commit;
+ }
+ did_quota = 1;
/*
* Try to claim as many clusters as the bitmap can give though
* if we only get one now, that's enough to continue. The rest
@@ -1386,6 +1394,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir,
struct buffer_head *di_bh,
dirdata_bh = NULL;
out_commit:
+ if (ret < 0 && did_quota)
+ vfs_dq_free_space_nodirty(dir,
+ ocfs2_clusters_to_bytes(osb->sb, 2));
ocfs2_commit_trans(osb, handle);
out_sem:
@@ -1410,7 +1421,7 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
struct buffer_head **new_bh)
{
int status;
- int extend;
+ int extend, did_quota = 0;
u64 p_blkno, v_blkno;
spin_lock(&OCFS2_I(dir)->ip_lock);
@@ -1420,6 +1431,13 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
if (extend) {
u32 offset = OCFS2_I(dir)->ip_clusters;
+ if (vfs_dq_alloc_space_nodirty(dir,
+ ocfs2_clusters_to_bytes(sb, 1))) {
+ status = -EDQUOT;
+ goto bail;
+ }
+ did_quota = 1;
+
status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset,
1, 0, parent_fe_bh, handle,
data_ac, meta_ac, NULL);
@@ -1445,6 +1463,8 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
}
status = 0;
bail:
+ if (did_quota && status < 0)
+ vfs_dq_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));
mlog_exit(status);
return status;
}
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 9af16e0..75cdb0e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -35,6 +35,7 @@
#include <linux/mount.h>
#include <linux/writeback.h>
#include <linux/falloc.h>
+#include <linux/quotaops.h>
#define MLOG_MASK_PREFIX ML_INODE
#include <cluster/masklog.h>
@@ -56,6 +57,7 @@
#include "suballoc.h"
#include "super.h"
#include "xattr.h"
+#include "quota.h"
#include "buffer_head_io.h"
@@ -536,6 +538,8 @@ static int __ocfs2_extend_allocation(struct inode *inode,
u32 logical_start,
enum ocfs2_alloc_restarted why;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_extent_tree et;
+ u32 total_clusters = clusters_to_add;
+ int did_quota = 0;
mlog_entry("(clusters_to_add = %u)\n", clusters_to_add);
@@ -584,6 +588,12 @@ restart_all:
goto leave;
}
+ if (!did_quota && vfs_dq_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, total_clusters))) {
+ status = -EDQUOT;
+ goto leave;
+ }
+ did_quota = 1;
restarted_transaction:
/* reserve a write to the file entry early on - that we if we
* run out of credits in the allocation path, we can still
@@ -654,6 +664,9 @@ restarted_transaction:
OCFS2_I(inode)->ip_clusters, (long long)i_size_read(inode));
leave:
+ if (status < 0 && did_quota)
+ vfs_dq_free_space(inode,
+ ocfs2_clusters_to_bytes(osb->sb, total_clusters));
if (handle) {
ocfs2_commit_trans(osb, handle);
handle = NULL;
@@ -886,6 +899,9 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
struct ocfs2_super *osb = OCFS2_SB(sb);
struct buffer_head *bh = NULL;
handle_t *handle = NULL;
+ int locked[MAXQUOTAS] = {0, 0};
+ int credits, qtype;
+ struct ocfs2_mem_dqinfo *oinfo;
mlog_entry("(0x%p, '%.*s')\n", dentry,
dentry->d_name.len, dentry->d_name.name);
@@ -956,11 +972,47 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr
*attr)
}
}
- handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
- if (IS_ERR(handle)) {
- status = PTR_ERR(handle);
- mlog_errno(status);
- goto bail_unlock;
+ if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+ (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
+ credits = OCFS2_INODE_UPDATE_CREDITS;
+ if (attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid
+ && OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+ OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) {
+ oinfo = sb_dqinfo(sb, USRQUOTA)->dqi_priv;
+ status = ocfs2_lock_global_qf(oinfo, 1);
+ if (status < 0)
+ goto bail_unlock;
+ credits += ocfs2_calc_qinit_credits(sb, USRQUOTA) +
+ ocfs2_calc_qdel_credits(sb, USRQUOTA);
+ locked[USRQUOTA] = 1;
+ }
+ if (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid
+ && OCFS2_HAS_RO_COMPAT_FEATURE(sb,
+ OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) {
+ oinfo = sb_dqinfo(sb, GRPQUOTA)->dqi_priv;
+ status = ocfs2_lock_global_qf(oinfo, 1);
+ if (status < 0)
+ goto bail_unlock;
+ credits += ocfs2_calc_qinit_credits(sb, GRPQUOTA) +
+ ocfs2_calc_qdel_credits(sb, GRPQUOTA);
+ locked[GRPQUOTA] = 1;
+ }
+ handle = ocfs2_start_trans(osb, credits);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+ mlog_errno(status);
+ goto bail_unlock;
+ }
+ status = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+ if (status < 0)
+ goto bail_commit;
+ } else {
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+ mlog_errno(status);
+ goto bail_unlock;
+ }
}
/*
@@ -983,6 +1035,12 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr
*attr)
bail_commit:
ocfs2_commit_trans(osb, handle);
bail_unlock:
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+ if (!locked[qtype])
+ continue;
+ oinfo = sb_dqinfo(sb, qtype)->dqi_priv;
+ ocfs2_unlock_global_qf(oinfo, 1);
+ }
ocfs2_inode_unlock(inode, 1);
bail_unlock_rw:
if (size_change)
@@ -1259,7 +1317,7 @@ static int __ocfs2_remove_inode_range(struct inode *inode,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
mlog_errno(ret);
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index e14b7ef..e815a82 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
+#include <linux/quotaops.h>
#include <asm/byteorder.h>
@@ -619,7 +620,8 @@ static int ocfs2_remove_inode(struct inode *inode,
goto bail;
}
- handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS);
+ handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS +
+ ocfs2_quota_trans_credits(inode->i_sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
mlog_errno(status);
@@ -651,6 +653,7 @@ static int ocfs2_remove_inode(struct inode *inode,
}
ocfs2_remove_from_cache(inode, di_bh);
+ vfs_dq_free_inode(inode);
status = ocfs2_free_dinode(handle, inode_alloc_inode,
inode_alloc_bh, di);
@@ -933,7 +936,10 @@ void ocfs2_delete_inode(struct inode *inode)
mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
- if (is_bad_inode(inode)) {
+ /* When we fail in read_inode() we mark inode as bad. The second test
+ * catches the case when inode allocation fails before allocating
+ * a block for inode. */
+ if (is_bad_inode(inode) || !OCFS2_I(inode)->ip_blkno) {
mlog(0, "Skipping delete of bad inode\n");
goto bail;
}
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index d4d14e9..c13bd8c 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -293,6 +293,37 @@ int ocfs2_journal_dirty_data(handle_t
*handle,
/* extended attribute block update */
#define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1
+/* global quotafile inode update, data block */
+#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
+
+/*
+ * The two writes below can accidentally see global info dirty due
+ * to set_info() quotactl so make them prepared for the writes.
+ */
+/* quota data block, global info */
+/* Write to local quota file */
+#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + 1)
+
+/* global quota data block, local quota data block, global quota inode,
+ * global quota info */
+#define OCFS2_QSYNC_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 3)
+
+static inline int ocfs2_quota_trans_credits(struct super_block *sb)
+{
+ int credits = 0;
+
+ if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA))
+ credits += OCFS2_QWRITE_CREDITS;
+ if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA))
+ credits += OCFS2_QWRITE_CREDITS;
+ return credits;
+}
+
+/* Number of credits needed for removing quota structure from file */
+int ocfs2_calc_qdel_credits(struct super_block *sb, int type);
+/* Number of credits needed for initialization of new quota structure */
+int ocfs2_calc_qinit_credits(struct super_block *sb, int type);
+
/* group extend. inode update and last group update. */
#define OCFS2_GROUP_EXTEND_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1)
@@ -303,8 +334,11 @@ int ocfs2_journal_dirty_data(handle_t
*handle,
* prev. group desc. if we relink. */
#define OCFS2_SUBALLOC_ALLOC (3)
-#define OCFS2_INLINE_TO_EXTENTS_CREDITS (OCFS2_SUBALLOC_ALLOC \
- + OCFS2_INODE_UPDATE_CREDITS)
+static inline int ocfs2_inline_to_extents_credits(struct super_block *sb)
+{
+ return OCFS2_SUBALLOC_ALLOC + OCFS2_INODE_UPDATE_CREDITS +
+ ocfs2_quota_trans_credits(sb);
+}
/* dinode + group descriptor update. We don't relink on free yet. */
#define OCFS2_SUBALLOC_FREE (2)
@@ -313,16 +347,23 @@ int ocfs2_journal_dirty_data(handle_t
*handle,
#define OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC (OCFS2_SUBALLOC_FREE \
+ OCFS2_TRUNCATE_LOG_UPDATE)
-#define OCFS2_REMOVE_EXTENT_CREDITS (OCFS2_TRUNCATE_LOG_UPDATE +
OCFS2_INODE_UPDATE_CREDITS)
+static inline int ocfs2_remove_extent_credits(struct super_block *sb)
+{
+ return OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS +
+ ocfs2_quota_trans_credits(sb);
+}
/* data block for new dir/symlink, 2 for bitmap updates (bitmap fe +
* bitmap block for the new bit) */
#define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2)
/* parent fe, parent block, new file entry, inode alloc fe, inode alloc
- * group descriptor + mkdir/symlink blocks */
-#define OCFS2_MKNOD_CREDITS (3 + OCFS2_SUBALLOC_ALLOC \
- + OCFS2_DIR_LINK_ADDITIONAL_CREDITS)
+ * group descriptor + mkdir/symlink blocks + quota update */
+static inline int ocfs2_mknod_credits(struct super_block *sb)
+{
+ return 3 + OCFS2_SUBALLOC_ALLOC + OCFS2_DIR_LINK_ADDITIONAL_CREDITS +
+ ocfs2_quota_trans_credits(sb);
+}
/* local alloc metadata change + main bitmap updates */
#define OCFS2_WINDOW_MOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS \
@@ -332,13 +373,21 @@ int ocfs2_journal_dirty_data(handle_t
*handle,
* for the dinode, one for the new block. */
#define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2)
-/* file update (nlink, etc) + directory mtime/ctime + dir entry block */
-#define OCFS2_LINK_CREDITS (2*OCFS2_INODE_UPDATE_CREDITS + 1)
+/* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota
+ * update on dir */
+static inline int ocfs2_link_credits(struct super_block *sb)
+{
+ return 2*OCFS2_INODE_UPDATE_CREDITS + 1 +
+ ocfs2_quota_trans_credits(sb);
+}
/* inode + dir inode (if we unlink a dir), + dir entry block + orphan
* dir inode link */
-#define OCFS2_UNLINK_CREDITS (2 * OCFS2_INODE_UPDATE_CREDITS + 1 \
- + OCFS2_LINK_CREDITS)
+static inline int ocfs2_unlink_credits(struct super_block *sb)
+{
+ /* The quota update from ocfs2_link_credits is unused here... */
+ return 2 * OCFS2_INODE_UPDATE_CREDITS + 1 + ocfs2_link_credits(sb);
+}
/* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry +
* inode alloc group descriptor */
@@ -347,8 +396,10 @@ int ocfs2_journal_dirty_data(handle_t
*handle,
/* dinode update, old dir dinode update, new dir dinode update, old
* dir dir entry, new dir dir entry, dir entry update for renaming
* directory + target unlink */
-#define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3 \
- + OCFS2_UNLINK_CREDITS)
+static inline int ocfs2_rename_credits(struct super_block *sb)
+{
+ return 3 * OCFS2_INODE_UPDATE_CREDITS + 3 + ocfs2_unlink_credits(sb);
+}
/* global bitmap dinode, group desc., relinked group,
* suballocator dinode, group desc., relinked group,
@@ -386,18 +437,19 @@ static inline int ocfs2_calc_extend_credits(struct
super_block *sb,
* credit for the dinode there. */
extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth);
- return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks;
+ return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks +
+ ocfs2_quota_trans_credits(sb);
}
static inline int ocfs2_calc_symlink_credits(struct super_block *sb)
{
- int blocks = OCFS2_MKNOD_CREDITS;
+ int blocks = ocfs2_mknod_credits(sb);
/* links can be longer than one block so we may update many
* within our single allocated extent. */
blocks += ocfs2_clusters_to_blocks(sb, 1);
- return blocks;
+ return blocks + ocfs2_quota_trans_credits(sb);
}
static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb,
@@ -434,6 +486,8 @@ static inline int ocfs2_calc_tree_trunc_credits(struct
super_block *sb,
/* update to the truncate log. */
credits += OCFS2_TRUNCATE_LOG_UPDATE;
+ credits += ocfs2_quota_trans_credits(sb);
+
return credits;
}
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index f4967e6..11a3fa7 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -40,6 +40,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/quotaops.h>
#define MLOG_MASK_PREFIX ML_NAMEI
#include <cluster/masklog.h>
@@ -66,12 +67,12 @@
static int ocfs2_mknod_locked(struct ocfs2_super *osb,
struct inode *dir,
- struct dentry *dentry, int mode,
+ struct inode *inode,
+ struct dentry *dentry,
dev_t dev,
struct buffer_head **new_fe_bh,
struct buffer_head *parent_fe_bh,
handle_t *handle,
- struct inode **ret_inode,
struct ocfs2_alloc_context *inode_ac);
static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
@@ -186,6 +187,35 @@ bail:
return ret;
}
+static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode)
+{
+ struct inode *inode;
+
+ inode = new_inode(dir->i_sb);
+ if (!inode) {
+ mlog(ML_ERROR, "new_inode failed!\n");
+ return NULL;
+ }
+
+ /* populate as many fields early on as possible - many of
+ * these are used by the support functions here and in
+ * callers. */
+ if (S_ISDIR(mode))
+ inode->i_nlink = 2;
+ else
+ inode->i_nlink = 1;
+ inode->i_uid = current->fsuid;
+ if (dir->i_mode & S_ISGID) {
+ inode->i_gid = dir->i_gid;
+ if (S_ISDIR(mode))
+ mode |= S_ISGID;
+ } else
+ inode->i_gid = current->fsgid;
+ inode->i_mode = mode;
+ vfs_dq_init(inode);
+ return inode;
+}
+
static int ocfs2_mknod(struct inode *dir,
struct dentry *dentry,
int mode,
@@ -201,6 +231,7 @@ static int ocfs2_mknod(struct inode *dir,
struct inode *inode = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
struct ocfs2_alloc_context *data_ac = NULL;
+ int did_quota_inode = 0;
mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
(unsigned long)dev, dentry->d_name.len,
@@ -260,7 +291,14 @@ static int ocfs2_mknod(struct inode *dir,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS);
+ inode = ocfs2_get_init_inode(dir, mode);
+ if (!inode) {
+ status = -ENOMEM;
+ mlog_errno(status);
+ goto leave;
+ }
+
+ handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(dir->i_sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@@ -268,10 +306,19 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
+ /* We don't use standard VFS wrapper because we don't want vfs_dq_init
+ * to be called. */
+ if (sb_any_quota_active(osb->sb) &&
+ osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
+ status = -EDQUOT;
+ goto leave;
+ }
+ did_quota_inode = 1;
+
/* do the real work now. */
- status = ocfs2_mknod_locked(osb, dir, dentry, mode, dev,
+ status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev,
&new_fe_bh, parent_fe_bh, handle,
- &inode, inode_ac);
+ inode_ac);
if (status < 0) {
mlog_errno(status);
goto leave;
@@ -320,6 +367,8 @@ static int ocfs2_mknod(struct inode *dir,
d_instantiate(dentry, inode);
status = 0;
leave:
+ if (status < 0 && did_quota_inode)
+ vfs_dq_free_inode(inode);
if (handle)
ocfs2_commit_trans(osb, handle);
@@ -332,8 +381,10 @@ leave:
brelse(de_bh);
brelse(parent_fe_bh);
- if ((status < 0) && inode)
+ if ((status < 0) && inode) {
+ clear_nlink(inode);
iput(inode);
+ }
if (inode_ac)
ocfs2_free_alloc_context(inode_ac);
@@ -348,12 +399,12 @@ leave:
static int ocfs2_mknod_locked(struct ocfs2_super *osb,
struct inode *dir,
- struct dentry *dentry, int mode,
+ struct inode *inode,
+ struct dentry *dentry,
dev_t dev,
struct buffer_head **new_fe_bh,
struct buffer_head *parent_fe_bh,
handle_t *handle,
- struct inode **ret_inode,
struct ocfs2_alloc_context *inode_ac)
{
int status = 0;
@@ -361,14 +412,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
struct ocfs2_extent_list *fel;
u64 fe_blkno = 0;
u16 suballoc_bit;
- struct inode *inode = NULL;
- mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode,
- (unsigned long)dev, dentry->d_name.len,
+ mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry,
+ inode->i_mode, (unsigned long)dev, dentry->d_name.len,
dentry->d_name.name);
*new_fe_bh = NULL;
- *ret_inode = NULL;
status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit,
&fe_blkno);
@@ -377,23 +426,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
goto leave;
}
- inode = new_inode(dir->i_sb);
- if (!inode) {
- status = -ENOMEM;
- mlog(ML_ERROR, "new_inode failed!\n");
- goto leave;
- }
-
/* populate as many fields early on as possible - many of
* these are used by the support functions here and in
* callers. */
inode->i_ino = ino_from_blkno(osb->sb, fe_blkno);
OCFS2_I(inode)->ip_blkno = fe_blkno;
- if (S_ISDIR(mode))
- inode->i_nlink = 2;
- else
- inode->i_nlink = 1;
- inode->i_mode = mode;
spin_lock(&osb->osb_lock);
inode->i_generation = osb->s_next_generation++;
spin_unlock(&osb->osb_lock);
@@ -421,17 +458,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
fe->i_blkno = cpu_to_le64(fe_blkno);
fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
- fe->i_uid = cpu_to_le32(current->fsuid);
- if (dir->i_mode & S_ISGID) {
- fe->i_gid = cpu_to_le32(dir->i_gid);
- if (S_ISDIR(mode))
- mode |= S_ISGID;
- } else
- fe->i_gid = cpu_to_le32(current->fsgid);
- fe->i_mode = cpu_to_le16(mode);
- if (S_ISCHR(mode) || S_ISBLK(mode))
+ fe->i_uid = cpu_to_le32(inode->i_uid);
+ fe->i_gid = cpu_to_le32(inode->i_gid);
+ fe->i_mode = cpu_to_le16(inode->i_mode);
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
-
fe->i_links_count = cpu_to_le16(inode->i_nlink);
fe->i_last_eb_blk = 0;
@@ -446,7 +477,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
/*
* If supported, directories start with inline data.
*/
- if (S_ISDIR(mode) && ocfs2_supports_inline_data(osb)) {
+ if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) {
u16 feat = le16_to_cpu(fe->i_dyn_features);
fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL);
@@ -484,17 +515,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
status = 0; /* error in ocfs2_create_new_inode_locks is not
* critical */
- *ret_inode = inode;
leave:
if (status < 0) {
if (*new_fe_bh) {
brelse(*new_fe_bh);
*new_fe_bh = NULL;
}
- if (inode) {
- clear_nlink(inode);
- iput(inode);
- }
}
mlog_exit(status);
@@ -588,7 +614,7 @@ static int ocfs2_link(struct dentry *old_dentry,
goto out_unlock_inode;
}
- handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_link_credits(osb->sb));
if (IS_ERR(handle)) {
err = PTR_ERR(handle);
handle = NULL;
@@ -775,7 +801,7 @@ static int ocfs2_unlink(struct inode *dir,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_unlink_credits(osb->sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@@ -1181,7 +1207,7 @@ static int ocfs2_rename(struct inode *old_dir,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb));
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
handle = NULL;
@@ -1496,6 +1522,7 @@ static int ocfs2_symlink(struct inode *dir,
handle_t *handle = NULL;
struct ocfs2_alloc_context *inode_ac = NULL;
struct ocfs2_alloc_context *data_ac = NULL;
+ int did_quota = 0, did_quota_inode = 0;
mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
dentry, symname, dentry->d_name.len, dentry->d_name.name);
@@ -1552,6 +1579,13 @@ static int ocfs2_symlink(struct inode *dir,
}
}
+ inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);
+ if (!inode) {
+ status = -ENOMEM;
+ mlog_errno(status);
+ goto bail;
+ }
+
handle = ocfs2_start_trans(osb, credits);
if (IS_ERR(handle)) {
status = PTR_ERR(handle);
@@ -1560,10 +1594,18 @@ static int ocfs2_symlink(struct inode *dir,
goto bail;
}
- status = ocfs2_mknod_locked(osb, dir, dentry,
- S_IFLNK | S_IRWXUGO, 0,
- &new_fe_bh, parent_fe_bh, handle,
- &inode, inode_ac);
+ /* We don't use standard VFS wrapper because we don't want vfs_dq_init
+ * to be called. */
+ if (sb_any_quota_active(osb->sb) &&
+ osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
+ status = -EDQUOT;
+ goto bail;
+ }
+ did_quota_inode = 1;
+
+ status = ocfs2_mknod_locked(osb, dir, inode, dentry,
+ 0, &new_fe_bh, parent_fe_bh, handle,
+ inode_ac);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -1576,6 +1618,12 @@ static int ocfs2_symlink(struct inode *dir,
u32 offset = 0;
inode->i_op = &ocfs2_symlink_inode_operations;
+ if (vfs_dq_alloc_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, 1))) {
+ status = -EDQUOT;
+ goto bail;
+ }
+ did_quota = 1;
status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,
new_fe_bh,
handle, data_ac, NULL,
@@ -1632,6 +1680,11 @@ static int ocfs2_symlink(struct inode *dir,
dentry->d_op = &ocfs2_dentry_ops;
d_instantiate(dentry, inode);
bail:
+ if (status < 0 && did_quota)
+ vfs_dq_free_space_nodirty(inode,
+ ocfs2_clusters_to_bytes(osb->sb, 1));
+ if (status < 0 && did_quota_inode)
+ vfs_dq_free_inode(inode);
if (handle)
ocfs2_commit_trans(osb, handle);
@@ -1644,8 +1697,10 @@ bail:
ocfs2_free_alloc_context(inode_ac);
if (data_ac)
ocfs2_free_alloc_context(data_ac);
- if ((status < 0) && inode)
+ if ((status < 0) && inode) {
+ clear_nlink(inode);
iput(inode);
+ }
mlog_exit(status);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index a371c01..794dafd 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -349,7 +349,7 @@ static int __ocfs2_remove_xattr_range(struct inode *inode,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
if (IS_ERR(handle)) {
ret = PTR_ERR(handle);
mlog_errno(ret);
@@ -4258,7 +4258,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode,
}
}
- handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+ handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb));
if (IS_ERR(handle)) {
ret = -ENOMEM;
mlog_errno(ret);
--
1.5.2.4
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