Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=416351f28d2b31d15ff73e9aff699b2163704c95
Commit:     416351f28d2b31d15ff73e9aff699b2163704c95
Parent:     ef71c15c46a053818f7e69098ebb052b31ffa56b
Author:     David Howells <[EMAIL PROTECTED]>
AuthorDate: Wed May 9 02:33:45 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed May 9 12:30:50 2007 -0700

    AFS: AFS fixups
    
    Make some miscellaneous changes to the AFS filesystem:
    
     (1) Assert RCU barriers on module exit to make sure RCU has finished with
         callbacks in this module.
    
     (2) Correctly handle the AFS server returning a zero-length read.
    
     (3) Split out data zapping calls into one function (afs_zap_data).
    
     (4) Rename some afs_file_*() functions to afs_*() where they apply to
         non-regular files too.
    
     (5) Be consistent about the presentation of volume ID:vnode ID in debugging
         output.
    
    Signed-off-by: David Howells <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 fs/afs/callback.c |    9 ++----
 fs/afs/dir.c      |   18 ++++++------
 fs/afs/file.c     |   75 ++++++++++++++++++----------------------------------
 fs/afs/fsclient.c |   37 ++++++++++++++------------
 fs/afs/inode.c    |   25 ++++++++++++-----
 fs/afs/internal.h |   29 +++++++++++++++-----
 fs/afs/main.c     |    2 +
 fs/afs/misc.c     |    1 +
 fs/afs/mntpt.c    |    5 ++-
 fs/afs/security.c |   12 +++++---
 fs/afs/server.c   |    3 ++
 fs/afs/vnode.c    |   14 +++++-----
 12 files changed, 121 insertions(+), 109 deletions(-)

diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index 9bdbf36..f64e40f 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -44,7 +44,7 @@ void afs_init_callback_state(struct afs_server *server)
        while (!RB_EMPTY_ROOT(&server->cb_promises)) {
                vnode = rb_entry(server->cb_promises.rb_node,
                                 struct afs_vnode, cb_promise);
-               _debug("UNPROMISE { vid=%x vn=%u uq=%u}",
+               _debug("UNPROMISE { vid=%x:%u uq=%u}",
                       vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
                rb_erase(&vnode->cb_promise, &server->cb_promises);
                vnode->cb_promised = false;
@@ -84,11 +84,8 @@ void afs_broken_callback_work(struct work_struct *work)
 
                /* if the vnode's data version number changed then its contents
                 * are different */
-               if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) {
-                       _debug("zap data {%x:%u}",
-                              vnode->fid.vid, vnode->fid.vnode);
-                       invalidate_remote_inode(&vnode->vfs_inode);
-               }
+               if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags))
+                       afs_zap_data(vnode);
        }
 
 out:
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 0c1e902..51f177a 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -55,7 +55,7 @@ const struct inode_operations afs_dir_inode_operations = {
        .rmdir          = afs_rmdir,
        .rename         = afs_rename,
        .permission     = afs_permission,
-       .getattr        = afs_inode_getattr,
+       .getattr        = afs_getattr,
 };
 
 static struct dentry_operations afs_fs_dentry_operations = {
@@ -491,7 +491,7 @@ static struct dentry *afs_lookup(struct inode *dir, struct 
dentry *dentry,
 
        vnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},%p{%s},",
+       _enter("{%x:%u},%p{%s},",
               vnode->fid.vid, vnode->fid.vnode, dentry, dentry->d_name.name);
 
        ASSERTCMP(dentry->d_inode, ==, NULL);
@@ -731,7 +731,7 @@ static int afs_mkdir(struct inode *dir, struct dentry 
*dentry, int mode)
 
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%s},%o",
+       _enter("{%x:%u},{%s},%o",
               dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name, mode);
 
        ret = -ENAMETOOLONG;
@@ -796,7 +796,7 @@ static int afs_rmdir(struct inode *dir, struct dentry 
*dentry)
 
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%s}",
+       _enter("{%x:%u},{%s}",
               dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name);
 
        ret = -ENAMETOOLONG;
@@ -842,7 +842,7 @@ static int afs_unlink(struct inode *dir, struct dentry 
*dentry)
 
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%s}",
+       _enter("{%x:%u},{%s}",
               dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name);
 
        ret = -ENAMETOOLONG;
@@ -916,7 +916,7 @@ static int afs_create(struct inode *dir, struct dentry 
*dentry, int mode,
 
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%s},%o,",
+       _enter("{%x:%u},{%s},%o,",
               dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name, mode);
 
        ret = -ENAMETOOLONG;
@@ -983,7 +983,7 @@ static int afs_link(struct dentry *from, struct inode *dir,
        vnode = AFS_FS_I(from->d_inode);
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%x:%d},{%s}",
+       _enter("{%x:%u},{%x:%u},{%s}",
               vnode->fid.vid, vnode->fid.vnode,
               dvnode->fid.vid, dvnode->fid.vnode,
               dentry->d_name.name);
@@ -1032,7 +1032,7 @@ static int afs_symlink(struct inode *dir, struct dentry 
*dentry,
 
        dvnode = AFS_FS_I(dir);
 
-       _enter("{%x:%d},{%s},%s",
+       _enter("{%x:%u},{%s},%s",
               dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name,
               content);
 
@@ -1104,7 +1104,7 @@ static int afs_rename(struct inode *old_dir, struct 
dentry *old_dentry,
        orig_dvnode = AFS_FS_I(old_dir);
        new_dvnode = AFS_FS_I(new_dir);
 
-       _enter("{%x:%d},{%x:%d},{%x:%d},{%s}",
+       _enter("{%x:%u},{%x:%u},{%x:%u},{%s}",
               orig_dvnode->fid.vid, orig_dvnode->fid.vnode,
               vnode->fid.vid, vnode->fid.vnode,
               new_dvnode->fid.vid, new_dvnode->fid.vnode,
diff --git a/fs/afs/file.c b/fs/afs/file.c
index ae25649..3eb3fc7 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -17,9 +17,9 @@
 #include <linux/pagemap.h>
 #include "internal.h"
 
-static int afs_file_readpage(struct file *file, struct page *page);
-static void afs_file_invalidatepage(struct page *page, unsigned long offset);
-static int afs_file_releasepage(struct page *page, gfp_t gfp_flags);
+static int afs_readpage(struct file *file, struct page *page);
+static void afs_invalidatepage(struct page *page, unsigned long offset);
+static int afs_releasepage(struct page *page, gfp_t gfp_flags);
 
 const struct file_operations afs_file_operations = {
        .open           = afs_open,
@@ -32,15 +32,15 @@ const struct file_operations afs_file_operations = {
 };
 
 const struct inode_operations afs_file_inode_operations = {
-       .getattr        = afs_inode_getattr,
+       .getattr        = afs_getattr,
        .permission     = afs_permission,
 };
 
 const struct address_space_operations afs_fs_aops = {
-       .readpage       = afs_file_readpage,
+       .readpage       = afs_readpage,
        .set_page_dirty = __set_page_dirty_nobuffers,
-       .releasepage    = afs_file_releasepage,
-       .invalidatepage = afs_file_invalidatepage,
+       .releasepage    = afs_releasepage,
+       .invalidatepage = afs_invalidatepage,
 };
 
 /*
@@ -52,7 +52,7 @@ int afs_open(struct inode *inode, struct file *file)
        struct key *key;
        int ret;
 
-       _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode);
+       _enter("{%x:%u},", vnode->fid.vid, vnode->fid.vnode);
 
        key = afs_request_key(vnode->volume->cell);
        if (IS_ERR(key)) {
@@ -78,7 +78,7 @@ int afs_release(struct inode *inode, struct file *file)
 {
        struct afs_vnode *vnode = AFS_FS_I(inode);
 
-       _enter("{%x:%x},", vnode->fid.vid, vnode->fid.vnode);
+       _enter("{%x:%u},", vnode->fid.vid, vnode->fid.vnode);
 
        key_put(file->private_data);
        _leave(" = 0");
@@ -89,10 +89,10 @@ int afs_release(struct inode *inode, struct file *file)
  * deal with notification that a page was read from the cache
  */
 #ifdef AFS_CACHING_SUPPORT
-static void afs_file_readpage_read_complete(void *cookie_data,
-                                           struct page *page,
-                                           void *data,
-                                           int error)
+static void afs_readpage_read_complete(void *cookie_data,
+                                      struct page *page,
+                                      void *data,
+                                      int error)
 {
        _enter("%p,%p,%p,%d", cookie_data, page, data, error);
 
@@ -109,10 +109,10 @@ static void afs_file_readpage_read_complete(void 
*cookie_data,
  * deal with notification that a page was written to the cache
  */
 #ifdef AFS_CACHING_SUPPORT
-static void afs_file_readpage_write_complete(void *cookie_data,
-                                            struct page *page,
-                                            void *data,
-                                            int error)
+static void afs_readpage_write_complete(void *cookie_data,
+                                       struct page *page,
+                                       void *data,
+                                       int error)
 {
        _enter("%p,%p,%p,%d", cookie_data, page, data, error);
 
@@ -121,9 +121,9 @@ static void afs_file_readpage_write_complete(void 
*cookie_data,
 #endif
 
 /*
- * AFS read page from file (or symlink)
+ * AFS read page from file, directory or symlink
  */
-static int afs_file_readpage(struct file *file, struct page *page)
+static int afs_readpage(struct file *file, struct page *page)
 {
        struct afs_vnode *vnode;
        struct inode *inode;
@@ -219,30 +219,13 @@ error:
 }
 
 /*
- * get a page cookie for the specified page
- */
-#ifdef AFS_CACHING_SUPPORT
-int afs_cache_get_page_cookie(struct page *page,
-                             struct cachefs_page **_page_cookie)
-{
-       int ret;
-
-       _enter("");
-       ret = cachefs_page_get_private(page,_page_cookie, GFP_NOIO);
-
-       _leave(" = %d", ret);
-       return ret;
-}
-#endif
-
-/*
  * invalidate part or all of a page
  */
-static void afs_file_invalidatepage(struct page *page, unsigned long offset)
+static void afs_invalidatepage(struct page *page, unsigned long offset)
 {
        int ret = 1;
 
-       _enter("{%lu},%lu", page->index, offset);
+       kenter("{%lu},%lu", page->index, offset);
 
        BUG_ON(!PageLocked(page));
 
@@ -274,23 +257,17 @@ static void afs_file_invalidatepage(struct page *page, 
unsigned long offset)
 /*
  * release a page and cleanup its private data
  */
-static int afs_file_releasepage(struct page *page, gfp_t gfp_flags)
+static int afs_releasepage(struct page *page, gfp_t gfp_flags)
 {
-       struct cachefs_page *pageio;
+       struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
 
-       _enter("{%lu},%x", page->index, gfp_flags);
+       _enter("{{%x:%u}[%lu],%lx},%x",
+              vnode->fid.vid, vnode->fid.vnode, page->index, page->flags,
+              gfp_flags);
 
        if (PagePrivate(page)) {
-#ifdef AFS_CACHING_SUPPORT
-               struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);
-               cachefs_uncache_page(vnode->cache, page);
-#endif
-
-               pageio = (struct cachefs_page *) page_private(page);
                set_page_private(page, 0);
                ClearPagePrivate(page);
-
-               kfree(pageio);
        }
 
        _leave(" = 0");
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index e54e6c2..1e65fee 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -206,7 +206,7 @@ int afs_fs_fetch_file_status(struct afs_server *server,
        struct afs_call *call;
        __be32 *bp;
 
-       _enter(",%x,{%x:%d},,",
+       _enter(",%x,{%x:%u},,",
               key_serial(key), vnode->fid.vid, vnode->fid.vnode);
 
        call = afs_alloc_flat_call(&afs_RXFSFetchStatus, 16, (21 + 3 + 6) * 4);
@@ -265,25 +265,20 @@ static int afs_deliver_fs_fetch_data(struct afs_call 
*call,
                call->offset = 0;
                call->unmarshall++;
 
-               if (call->count < PAGE_SIZE) {
-                       page = call->reply3;
-                       buffer = kmap_atomic(page, KM_USER0);
-                       memset(buffer + PAGE_SIZE - call->count, 0,
-                              call->count);
-                       kunmap_atomic(buffer, KM_USER0);
-               }
-
                /* extract the returned data */
        case 2:
                _debug("extract data");
-               page = call->reply3;
-               buffer = kmap_atomic(page, KM_USER0);
-               ret = afs_extract_data(call, skb, last, buffer, call->count);
-               kunmap_atomic(buffer, KM_USER0);
-               switch (ret) {
-               case 0:         break;
-               case -EAGAIN:   return 0;
-               default:        return ret;
+               if (call->count > 0) {
+                       page = call->reply3;
+                       buffer = kmap_atomic(page, KM_USER0);
+                       ret = afs_extract_data(call, skb, last, buffer,
+                                              call->count);
+                       kunmap_atomic(buffer, KM_USER0);
+                       switch (ret) {
+                       case 0:         break;
+                       case -EAGAIN:   return 0;
+                       default:        return ret;
+                       }
                }
 
                call->offset = 0;
@@ -318,6 +313,14 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call,
        if (!last)
                return 0;
 
+       if (call->count < PAGE_SIZE) {
+               _debug("clear");
+               page = call->reply3;
+               buffer = kmap_atomic(page, KM_USER0);
+               memset(buffer + call->count, 0, PAGE_SIZE - call->count);
+               kunmap_atomic(buffer, KM_USER0);
+       }
+
        _leave(" = 0 [done]");
        return 0;
 }
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index c184a4e..9c984cc 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -125,7 +125,7 @@ struct inode *afs_iget(struct super_block *sb, struct key 
*key,
        struct inode *inode;
        int ret;
 
-       _enter(",{%u,%u,%u},,", fid->vid, fid->vnode, fid->unique);
+       _enter(",{%x:%u.%u},,", fid->vid, fid->vnode, fid->unique);
 
        as = sb->s_fs_info;
        data.volume = as->volume;
@@ -204,6 +204,19 @@ bad_inode:
 }
 
 /*
+ * mark the data attached to an inode as obsolete due to a write on the server
+ * - might also want to ditch all the outstanding writes and dirty pages
+ */
+void afs_zap_data(struct afs_vnode *vnode)
+{
+       kenter("zap data {%x:%u}", vnode->fid.vid, vnode->fid.vnode);
+
+       /* nuke all the non-dirty pages that aren't locked, mapped or being
+        * written back */
+       invalidate_remote_inode(&vnode->vfs_inode);
+}
+
+/*
  * validate a vnode/inode
  * - there are several things we need to check
  *   - parent dir data changes (rm, rmdir, rename, mkdir, create, link,
@@ -258,10 +271,8 @@ int afs_validate(struct afs_vnode *vnode, struct key *key)
 
        /* if the vnode's data version number changed then its contents are
         * different */
-       if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) {
-               _debug("zap data {%x:%d}", vnode->fid.vid, vnode->fid.vnode);
-               invalidate_remote_inode(&vnode->vfs_inode);
-       }
+       if (test_and_clear_bit(AFS_VNODE_ZAP_DATA, &vnode->flags))
+               afs_zap_data(vnode);
 
        clear_bit(AFS_VNODE_MODIFIED, &vnode->flags);
        mutex_unlock(&vnode->validate_lock);
@@ -278,7 +289,7 @@ error_unlock:
 /*
  * read the attributes of an inode
  */
-int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
+int afs_getattr(struct vfsmount *mnt, struct dentry *dentry,
                      struct kstat *stat)
 {
        struct inode *inode;
@@ -301,7 +312,7 @@ void afs_clear_inode(struct inode *inode)
 
        vnode = AFS_FS_I(inode);
 
-       _enter("{%x:%d.%d} v=%u x=%u t=%u }",
+       _enter("{%x:%u.%d} v=%u x=%u t=%u }",
               vnode->fid.vid,
               vnode->fid.vnode,
               vnode->fid.unique,
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index d90c158..9feb5c5 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -433,10 +433,6 @@ extern const struct file_operations afs_file_operations;
 extern int afs_open(struct inode *, struct file *);
 extern int afs_release(struct inode *, struct file *);
 
-#ifdef AFS_CACHING_SUPPORT
-extern int afs_cache_get_page_cookie(struct page *, struct cachefs_page **);
-#endif
-
 /*
  * fsclient.c
  */
@@ -474,10 +470,9 @@ extern int afs_fs_rename(struct afs_server *, struct key *,
 extern struct inode *afs_iget(struct super_block *, struct key *,
                              struct afs_fid *, struct afs_file_status *,
                              struct afs_callback *);
+extern void afs_zap_data(struct afs_vnode *);
 extern int afs_validate(struct afs_vnode *, struct key *);
-extern int afs_inode_getattr(struct vfsmount *, struct dentry *,
-                            struct kstat *);
-extern void afs_zap_permits(struct rcu_head *);
+extern int afs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern void afs_clear_inode(struct inode *);
 
 /*
@@ -533,6 +528,7 @@ extern int afs_extract_data(struct afs_call *, struct 
sk_buff *, bool, void *,
  */
 extern void afs_clear_permits(struct afs_vnode *);
 extern void afs_cache_permit(struct afs_vnode *, struct key *, long);
+extern void afs_zap_permits(struct rcu_head *);
 extern struct key *afs_request_key(struct afs_cell *);
 extern int afs_permission(struct inode *, int, struct nameidata *);
 
@@ -726,6 +722,21 @@ do {                                                       
                \
        }                                                               \
 } while(0)
 
+#define ASSERTRANGE(L, OP1, N, OP2, H)                                 \
+do {                                                                   \
+       if (unlikely(!((L) OP1 (N)) || !((N) OP2 (H)))) {               \
+               printk(KERN_ERR "\n");                                  \
+               printk(KERN_ERR "AFS: Assertion failed\n");             \
+               printk(KERN_ERR "%lu "#OP1" %lu "#OP2" %lu is false\n", \
+                      (unsigned long)(L), (unsigned long)(N),          \
+                      (unsigned long)(H));                             \
+               printk(KERN_ERR "0x%lx "#OP1" 0x%lx "#OP2" 0x%lx is false\n", \
+                      (unsigned long)(L), (unsigned long)(N),          \
+                      (unsigned long)(H));                             \
+               BUG();                                                  \
+       }                                                               \
+} while(0)
+
 #define ASSERTIF(C, X)                                         \
 do {                                                           \
        if (unlikely((C) && !(X))) {                            \
@@ -758,6 +769,10 @@ do {                                               \
 do {                                           \
 } while(0)
 
+#define ASSERTRANGE(L, OP1, N, OP2, H)         \
+do {                                           \
+} while(0)
+
 #define ASSERTIF(C, X)                         \
 do {                                           \
 } while(0)
diff --git a/fs/afs/main.c b/fs/afs/main.c
index 80ec6fd..f1f71ff 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -149,6 +149,7 @@ error_cache:
        afs_vlocation_purge();
        afs_cell_purge();
        afs_proc_cleanup();
+       rcu_barrier();
        printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
        return ret;
 }
@@ -176,6 +177,7 @@ static void __exit afs_exit(void)
        cachefs_unregister_netfs(&afs_cache_netfs);
 #endif
        afs_proc_cleanup();
+       rcu_barrier();
 }
 
 module_exit(afs_exit);
diff --git a/fs/afs/misc.c b/fs/afs/misc.c
index cdb9792..d1a889c 100644
--- a/fs/afs/misc.c
+++ b/fs/afs/misc.c
@@ -22,6 +22,7 @@ int afs_abort_to_error(u32 abort_code)
 {
        switch (abort_code) {
        case 13:                return -EACCES;
+       case 27:                return -EFBIG;
        case 30:                return -EROFS;
        case VSALVAGE:          return -EIO;
        case VNOVNODE:          return -ENOENT;
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 034fcfd..a3684dc 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -36,7 +36,7 @@ const struct inode_operations afs_mntpt_inode_operations = {
        .lookup         = afs_mntpt_lookup,
        .follow_link    = afs_mntpt_follow_link,
        .readlink       = page_readlink,
-       .getattr        = afs_inode_getattr,
+       .getattr        = afs_getattr,
 };
 
 static LIST_HEAD(afs_vfsmounts);
@@ -58,7 +58,8 @@ int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct 
key *key)
        char *buf;
        int ret;
 
-       _enter("{%u,%u}", vnode->fid.vnode, vnode->fid.unique);
+       _enter("{%x:%u,%u}",
+              vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
 
        /* read the contents of the symlink into the pagecache */
        page = read_mapping_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0, &file);
diff --git a/fs/afs/security.c b/fs/afs/security.c
index f9f424d..e0ea88b 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -109,7 +109,7 @@ void afs_clear_permits(struct afs_vnode *vnode)
 {
        struct afs_permits *permits;
 
-       _enter("{%x}", vnode->fid.vnode);
+       _enter("{%x:%u}", vnode->fid.vid, vnode->fid.vnode);
 
        mutex_lock(&vnode->permits_lock);
        permits = vnode->permits;
@@ -132,7 +132,8 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key 
*key, long acl_order)
        struct afs_vnode *auth_vnode;
        int count, loop;
 
-       _enter("{%x},%x,%lx", vnode->fid.vnode, key_serial(key), acl_order);
+       _enter("{%x:%u},%x,%lx",
+              vnode->fid.vid, vnode->fid.vnode, key_serial(key), acl_order);
 
        auth_vnode = afs_get_auth_inode(vnode, key);
        if (IS_ERR(auth_vnode)) {
@@ -220,7 +221,8 @@ static int afs_check_permit(struct afs_vnode *vnode, struct 
key *key,
        bool valid;
        int loop, ret;
 
-       _enter("");
+       _enter("{%x:%u},%x",
+              vnode->fid.vid, vnode->fid.vnode, key_serial(key));
 
        auth_vnode = afs_get_auth_inode(vnode, key);
        if (IS_ERR(auth_vnode)) {
@@ -268,9 +270,9 @@ static int afs_check_permit(struct afs_vnode *vnode, struct 
key *key,
                        _leave(" = %d", ret);
                        return ret;
                }
+               *_access = vnode->status.caller_access;
        }
 
-       *_access = vnode->status.caller_access;
        iput(&auth_vnode->vfs_inode);
        _leave(" = 0 [access %x]", *_access);
        return 0;
@@ -288,7 +290,7 @@ int afs_permission(struct inode *inode, int mask, struct 
nameidata *nd)
        struct key *key;
        int ret;
 
-       _enter("{{%x:%x},%lx},%x,",
+       _enter("{{%x:%u},%lx},%x,",
               vnode->fid.vid, vnode->fid.vnode, vnode->flags, mask);
 
        key = afs_request_key(vnode->volume->cell);
diff --git a/fs/afs/server.c b/fs/afs/server.c
index 96bb23b..231ae41 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -252,6 +252,9 @@ static void afs_destroy_server(struct afs_server *server)
 {
        _enter("%p", server);
 
+       ASSERTIF(server->cb_break_head != server->cb_break_tail,
+                delayed_work_pending(&server->cb_break_work));
+
        ASSERTCMP(server->fs_vnodes.rb_node, ==, NULL);
        ASSERTCMP(server->cb_promises.rb_node, ==, NULL);
        ASSERTCMP(server->cb_break_head, ==, server->cb_break_tail);
diff --git a/fs/afs/vnode.c b/fs/afs/vnode.c
index a1904ab..0e37f99 100644
--- a/fs/afs/vnode.c
+++ b/fs/afs/vnode.c
@@ -261,7 +261,7 @@ int afs_vnode_fetch_status(struct afs_vnode *vnode,
 
        DECLARE_WAITQUEUE(myself, current);
 
-       _enter("%s,{%u,%u,%u}",
+       _enter("%s,{%x:%u.%u}",
               vnode->volume->vlocation->vldb.name,
               vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique);
 
@@ -389,7 +389,7 @@ int afs_vnode_fetch_data(struct afs_vnode *vnode, struct 
key *key,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%x,,,",
+       _enter("%s{%x:%u.%u},%x,,,",
               vnode->volume->vlocation->vldb.name,
               vnode->fid.vid,
               vnode->fid.vnode,
@@ -446,7 +446,7 @@ int afs_vnode_create(struct afs_vnode *vnode, struct key 
*key,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%x,%s,,",
+       _enter("%s{%x:%u.%u},%x,%s,,",
               vnode->volume->vlocation->vldb.name,
               vnode->fid.vid,
               vnode->fid.vnode,
@@ -502,7 +502,7 @@ int afs_vnode_remove(struct afs_vnode *vnode, struct key 
*key, const char *name,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%x,%s",
+       _enter("%s{%x:%u.%u},%x,%s",
               vnode->volume->vlocation->vldb.name,
               vnode->fid.vid,
               vnode->fid.vnode,
@@ -557,7 +557,7 @@ extern int afs_vnode_link(struct afs_vnode *dvnode, struct 
afs_vnode *vnode,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%s{%u,%u,%u},%x,%s",
+       _enter("%s{%x:%u.%u},%s{%x:%u.%u},%x,%s",
               dvnode->volume->vlocation->vldb.name,
               dvnode->fid.vid,
               dvnode->fid.vnode,
@@ -628,7 +628,7 @@ int afs_vnode_symlink(struct afs_vnode *vnode, struct key 
*key,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%x,%s,%s,,,",
+       _enter("%s{%x:%u.%u},%x,%s,%s,,,",
               vnode->volume->vlocation->vldb.name,
               vnode->fid.vid,
               vnode->fid.vnode,
@@ -687,7 +687,7 @@ int afs_vnode_rename(struct afs_vnode *orig_dvnode,
        struct afs_server *server;
        int ret;
 
-       _enter("%s{%u,%u,%u},%s{%u,%u,%u},%x,%s,%s",
+       _enter("%s{%x:%u.%u},%s{%u,%u,%u},%x,%s,%s",
               orig_dvnode->volume->vlocation->vldb.name,
               orig_dvnode->fid.vid,
               orig_dvnode->fid.vnode,
-
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