diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-16 09:07:58 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-16 16:48:06 -0400 |
| commit | 1a102ff92579edeff5e3d5d3c76ca49977898f00 (patch) | |
| tree | 5585d724c8a996b770bb7a621563a7535a8c0496 /Documentation/filesystems/Locking | |
| parent | 011949811b946bd3b72fca71200f197c6168a5f8 (diff) | |
vfs: bury ->get_sb()
This is an ex-parrot.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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 4471a416c27..2e994efe12c 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. |