diff options
| author | David Chinner <dgc@sgi.com> | 2007-06-29 17:26:09 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@chook.melbourne.sgi.com> | 2007-07-14 18:09:42 +1000 |
| commit | 0f1145cc18e970ebe37da114fc34c297f135e062 (patch) | |
| tree | eb6c8b1b1a53d24eed981910422f0ec3066333fe | |
| parent | d7f0923d83dcabfc063257a281529cdbcd5eedb5 (diff) | |
[XFS] Fix lockdep annotations for xfs_lock_inodes
SGI-PV: 967035
SGI-Modid: xfs-linux-melb:xfs-kern:29026a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_inode.h | 15 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 4 |
2 files changed, 11 insertions, 8 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index d418eeed4eb..012dfd4a958 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -415,19 +415,22 @@ xfs_iflags_test(xfs_inode_t *ip, unsigned short flags) * gets a lockdep subclass of 1 and the second lock will have a lockdep * subclass of 0. * - * XFS_I[O]LOCK_INUMORDER - for locking several inodes at the some time + * XFS_LOCK_INUMORDER - for locking several inodes at the some time * with xfs_lock_inodes(). This flag is used as the starting subclass * and each subsequent lock acquired will increment the subclass by one. * So the first lock acquired will have a lockdep subclass of 2, the - * second lock will have a lockdep subclass of 3, and so on. + * second lock will have a lockdep subclass of 3, and so on. It is + * the responsibility of the class builder to shift this to the correct + * portion of the lock_mode lockdep mask. */ +#define XFS_LOCK_PARENT 1 +#define XFS_LOCK_INUMORDER 2 + #define XFS_IOLOCK_SHIFT 16 -#define XFS_IOLOCK_PARENT (1 << XFS_IOLOCK_SHIFT) -#define XFS_IOLOCK_INUMORDER (2 << XFS_IOLOCK_SHIFT) +#define XFS_IOLOCK_PARENT (XFS_LOCK_PARENT << XFS_IOLOCK_SHIFT) #define XFS_ILOCK_SHIFT 24 -#define XFS_ILOCK_PARENT (1 << XFS_ILOCK_SHIFT) -#define XFS_ILOCK_INUMORDER (2 << XFS_ILOCK_SHIFT) +#define XFS_ILOCK_PARENT (XFS_LOCK_PARENT << XFS_ILOCK_SHIFT) #define XFS_IOLOCK_DEP_MASK 0x00ff0000 #define XFS_ILOCK_DEP_MASK 0xff000000 diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 60fd0be90a1..79b522779aa 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2224,9 +2224,9 @@ static inline int xfs_lock_inumorder(int lock_mode, int subclass) { if (lock_mode & (XFS_IOLOCK_SHARED|XFS_IOLOCK_EXCL)) - lock_mode |= (subclass + XFS_IOLOCK_INUMORDER) << XFS_IOLOCK_SHIFT; + lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_IOLOCK_SHIFT; if (lock_mode & (XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)) - lock_mode |= (subclass + XFS_ILOCK_INUMORDER) << XFS_ILOCK_SHIFT; + lock_mode |= (subclass + XFS_LOCK_INUMORDER) << XFS_ILOCK_SHIFT; return lock_mode; } |