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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-16 19:09:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-16 19:09:57 -0700 |
| commit | 054cfaacf88865bff1dd58d305443d5d6c068a08 (patch) | |
| tree | 39cd85f0f5966ed8c501740359b1d03d48f5ea41 /Documentation/filesystems/Locking | |
| parent | dc113c1f1d4b47af1b1ca701c5a39e24d296c2ac (diff) | |
| parent | 1a102ff92579edeff5e3d5d3c76ca49977898f00 (diff) | |
| download | linux-stable-054cfaacf88865bff1dd58d305443d5d6c068a08.tar.gz linux-stable-054cfaacf88865bff1dd58d305443d5d6c068a08.tar.bz2 linux-stable-054cfaacf88865bff1dd58d305443d5d6c068a08.zip | |
Merge branch 'mnt_devname' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'mnt_devname' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
vfs: bury ->get_sb()
nfs: switch NFS from ->get_sb() to ->mount()
nfs: stop mangling ->mnt_devname on NFS
vfs: new superblock methods to override /proc/*/mount{s,info}
nfs: nfs_do_{ref,sub}mount() superblock argument is redundant
nfs: make nfs_path() work without vfsmount
nfs: store devname at disconnected NFS roots
nfs: propagate devname to nfs{,4}_get_root()
Diffstat (limited to 'Documentation/filesystems/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 4471a416c274..2e994efe12cb 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -166,13 +166,11 @@ prototypes: void (*kill_sb) (struct super_block *); locking rules: may block -get_sb yes mount yes kill_sb yes -->get_sb() returns error or 0 with locked superblock attached to the vfsmount -(exclusive on ->s_umount). -->mount() returns ERR_PTR or the root dentry. +->mount() returns ERR_PTR or the root dentry; its superblock should be locked +on return. ->kill_sb() takes a write-locked superblock, does all shutdown work on it, unlocks and drops the reference. |