diff options
| author | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
| commit | bb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch) | |
| tree | 191bc24dd97bcb174535cc217af082f16da3b43d /Documentation/filesystems/Locking | |
| parent | d57368afe63b3b7b45ce6c2b8c5276417935be2f (diff) | |
| parent | c039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff) | |
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'Documentation/filesystems/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 8e2da1e06e3..e0cce2a5f82 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -9,7 +9,7 @@ be able to use diff(1). --------------------------- dentry_operations -------------------------- prototypes: - int (*d_revalidate)(struct dentry *, struct nameidata *); + int (*d_revalidate)(struct dentry *, unsigned int); int (*d_hash)(const struct dentry *, const struct inode *, struct qstr *); int (*d_compare)(const struct dentry *, const struct inode *, @@ -37,9 +37,8 @@ d_manage: no no yes (ref-walk) maybe --------------------------- inode_operations --------------------------- prototypes: - int (*create) (struct inode *,struct dentry *,umode_t, struct nameidata *); - struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameid -ata *); + int (*create) (struct inode *,struct dentry *,umode_t, bool); + struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); int (*symlink) (struct inode *,struct dentry *,const char *); @@ -62,6 +61,9 @@ ata *); 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); + int (*atomic_open)(struct inode *, struct dentry *, + struct file *, unsigned open_flag, + umode_t create_mode, int *opened); locking rules: all may block @@ -89,6 +91,7 @@ listxattr: no removexattr: yes fiemap: no update_time: no +atomic_open: yes Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. |