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| author |   Len Brown <len.brown@intel.com> | 2011-03-23 02:34:54 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-03-23 02:34:54 -0400 |
| commit | 02e2407858fd62053bf60349c0e72cd1c7a4a60e (patch) | |
| tree | 0ebdbddc97d3abbc675916010e7771065b70c137 /Documentation/filesystems/Locking | |
| parent | Merge branch 'battery-sysfs-notifier' into release (diff) | |
| parent | Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx (diff) | |
| download | linux-dev-02e2407858fd62053bf60349c0e72cd1c7a4a60e.tar.xz linux-dev-02e2407858fd62053bf60349c0e72cd1c7a4a60e.zip | |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/acpi/sleep.c
Signed-off-by: Len Brown <len.brown@intel.com>
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. |