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| author | Tony Luck <tony.luck@intel.com> | 2006-06-24 00:46:23 +0400 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2006-06-24 00:46:23 +0400 |
| commit | 8cf60e04a131310199d5776e2f9e915f0c468899 (patch) | |
| tree | 373a68e88e6737713a0a5723d552cdeefffff929 /Documentation/filesystems/Locking | |
| parent | 1323523f505606cfd24af6122369afddefc3b09d (diff) | |
| parent | 95eaa5fa8eb2c345244acd5f65b200b115ae8c65 (diff) | |
| download | linux-8cf60e04a131310199d5776e2f9e915f0c468899.tar.xz | |
Auto-update from upstream
Diffstat (limited to 'Documentation/filesystems/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 1045da582b9b..d31efbbdfe50 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -99,7 +99,7 @@ prototypes: int (*sync_fs)(struct super_block *sb, int wait); void (*write_super_lockfs) (struct super_block *); void (*unlockfs) (struct super_block *); - int (*statfs) (struct super_block *, struct kstatfs *); + int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); void (*clear_inode) (struct inode *); void (*umount_begin) (struct super_block *); @@ -142,15 +142,16 @@ see also dquot_operations section. --------------------------- file_system_type --------------------------- prototypes: - struct super_block *(*get_sb) (struct file_system_type *, int, - const char *, void *); + struct int (*get_sb) (struct file_system_type *, int, + const char *, void *, struct vfsmount *); void (*kill_sb) (struct super_block *); locking rules: may block BKL get_sb yes yes kill_sb yes yes -->get_sb() returns error or a locked superblock (exclusive on ->s_umount). +->get_sb() returns error or 0 with locked superblock attached to the vfsmount +(exclusive on ->s_umount). ->kill_sb() takes a write-locked superblock, does all shutdown work on it, unlocks and drops the reference. |