diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 3 | ||||
| -rw-r--r-- | Documentation/filesystems/vfs.txt | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index d449e63..8e2da1e 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -61,6 +61,7 @@ ata *); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*removexattr) (struct dentry *, const char *); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); + void (*update_time)(struct inode *, struct timespec *, int); locking rules: all may block @@ -87,6 +88,8 @@ getxattr: no listxattr: no removexattr: yes fiemap: no +update_time: no + Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index ef19f91..efd23f4 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -363,6 +363,7 @@ struct inode_operations { ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*removexattr) (struct dentry *, const char *); + void (*update_time)(struct inode *, struct timespec *, int); }; Again, all methods are called without any locks being held, unless @@ -471,6 +472,9 @@ otherwise noted. removexattr: called by the VFS to remove an extended attribute from a file. This method is called by removexattr(2) system call. + update_time: called by the VFS to update a specific time or the i_version of + an inode. If this is not defined the VFS will update the inode itself + and call mark_inode_dirty_sync. The Address Space Object ======================== |
