diff options
| author | Miklos Szeredi <mszeredi@suse.cz> | 2012-05-14 13:06:13 +0200 |
|---|---|---|
| committer | John Rigby <john.rigby@linaro.org> | 2012-06-25 15:04:08 -0600 |
| commit | d6c61fb034fb2eb103b290cc97a77d19b3d7ed33 (patch) | |
| tree | 5bca0aa75e2f5f3b86f20063524e9d6a6811fc9b /Documentation/filesystems/Locking | |
| parent | 3d3510939dff1e1a06a29b1f6dd65bec19b8c140 (diff) | |
UBUNTU: ubuntu: overlayfs -- vfs: add i_op->open()
Add a new inode operation i_op->open(). This is for stacked
filesystems that want to return a struct file from a different
filesystem.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'Documentation/filesystems/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 4fca82e5276..42b0539cffa 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -62,6 +62,7 @@ ata *); int (*removexattr) (struct dentry *, const char *); void (*truncate_range)(struct inode *, loff_t, loff_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); + struct file *(*open)(struct dentry *,struct file *,const struct cred *); locking rules: all may block @@ -89,6 +90,7 @@ listxattr: no removexattr: yes truncate_range: yes fiemap: no +open: no Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem. |