diff options
| author |   Jeff Mahoney <jeffm@suse.com> | 2009-03-30 14:02:36 -0400 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 12:16:38 -0700 |
| commit | 8b6dd72a441a683cef7ace93de0a57ced4367f00 (patch) | |
| tree | 6bdeebd3a35d71db2c7ea3e48e3f617b5efbd81a /include | |
| parent | reiserfs: eliminate per-super xattr lock (diff) | |
| download | linux-dev-8b6dd72a441a683cef7ace93de0a57ced4367f00.tar.xz linux-dev-8b6dd72a441a683cef7ace93de0a57ced4367f00.zip | |
reiserfs: make per-inode xattr locking more fine grained
The per-inode locking can be made more fine-grained to surround just the
interaction with the filesystem itself. This really only applies to
protecting reads during a write, since concurrent writes are barred with
inode->i_mutex at the vfs level.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/reiserfs_fs_i.h | 2 | ||||
| -rw-r--r-- | include/linux/reiserfs_xattr.h | 22 |
2 files changed, 1 insertions, 23 deletions
diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h index 201dd910b042..76360b36ac33 100644 --- a/include/linux/reiserfs_fs_i.h +++ b/include/linux/reiserfs_fs_i.h @@ -59,7 +59,7 @@ struct reiserfs_inode_info { struct posix_acl *i_acl_default; #endif #ifdef CONFIG_REISERFS_FS_XATTR - struct rw_semaphore xattr_sem; + struct rw_semaphore i_xattr_sem; #endif struct inode vfs_inode; }; diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h index 65c16fa51246..3bd154fd56e9 100644 --- a/include/linux/reiserfs_xattr.h +++ b/include/linux/reiserfs_xattr.h @@ -67,24 +67,6 @@ extern struct reiserfs_xattr_handler user_handler; extern struct reiserfs_xattr_handler trusted_handler; extern struct reiserfs_xattr_handler security_handler; -static inline void reiserfs_write_lock_xattr_i(struct inode *inode) -{ - down_write(&REISERFS_I(inode)->i_xattr_sem); -} -static inline void reiserfs_write_unlock_xattr_i(struct inode *inode) -{ - up_write(&REISERFS_I(inode)->i_xattr_sem); -} -static inline void reiserfs_read_lock_xattr_i(struct inode *inode) -{ - down_read(&REISERFS_I(inode)->i_xattr_sem); -} - -static inline void reiserfs_read_unlock_xattr_i(struct inode *inode) -{ - up_read(&REISERFS_I(inode)->i_xattr_sem); -} - static inline void reiserfs_init_xattr_rwsem(struct inode *inode) { init_rwsem(&REISERFS_I(inode)->i_xattr_sem); @@ -96,10 +78,6 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode) #define reiserfs_setxattr NULL #define reiserfs_listxattr NULL #define reiserfs_removexattr NULL -#define reiserfs_write_lock_xattrs(sb) do {;} while(0) -#define reiserfs_write_unlock_xattrs(sb) do {;} while(0) -#define reiserfs_read_lock_xattrs(sb) -#define reiserfs_read_unlock_xattrs(sb) #define reiserfs_permission NULL |