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authorLachlan McIlroy <lachlan@sgi.com>2007-05-07 23:50:19 -0400
committerTim Shimmin <tes@sgi.com>2007-05-07 23:50:19 -0400
commitf7c66ce3f70d8417de0cfb481ca4e5430382ec5d (patch)
treec9b4d5cb09a9241cb305532edfbd703cd181530d /fs/xfs/xfs_iget.c
parent71dfd5a396d11512aa6c8ed0d35b268bc084bb9b (diff)
[XFS] Add lockdep support for XFS
SGI-PV: 963965 SGI-Modid: xfs-linux-melb:xfs-kern:28485a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_iget.c')
-rw-r--r--fs/xfs/xfs_iget.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index c1c89dac19cc..114433a22baa 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -879,17 +879,17 @@ xfs_ilock(xfs_inode_t *ip,
879 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); 879 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
880 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != 880 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
881 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); 881 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
882 ASSERT((lock_flags & ~XFS_LOCK_MASK) == 0); 882 ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0);
883 883
884 if (lock_flags & XFS_IOLOCK_EXCL) { 884 if (lock_flags & XFS_IOLOCK_EXCL) {
885 mrupdate(&ip->i_iolock); 885 mrupdate_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags));
886 } else if (lock_flags & XFS_IOLOCK_SHARED) { 886 } else if (lock_flags & XFS_IOLOCK_SHARED) {
887 mraccess(&ip->i_iolock); 887 mraccess_nested(&ip->i_iolock, XFS_IOLOCK_DEP(lock_flags));
888 } 888 }
889 if (lock_flags & XFS_ILOCK_EXCL) { 889 if (lock_flags & XFS_ILOCK_EXCL) {
890 mrupdate(&ip->i_lock); 890 mrupdate_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags));
891 } else if (lock_flags & XFS_ILOCK_SHARED) { 891 } else if (lock_flags & XFS_ILOCK_SHARED) {
892 mraccess(&ip->i_lock); 892 mraccess_nested(&ip->i_lock, XFS_ILOCK_DEP(lock_flags));
893 } 893 }
894 xfs_ilock_trace(ip, 1, lock_flags, (inst_t *)__return_address); 894 xfs_ilock_trace(ip, 1, lock_flags, (inst_t *)__return_address);
895} 895}
@@ -923,7 +923,7 @@ xfs_ilock_nowait(xfs_inode_t *ip,
923 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); 923 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
924 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != 924 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
925 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); 925 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
926 ASSERT((lock_flags & ~XFS_LOCK_MASK) == 0); 926 ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_LOCK_DEP_MASK)) == 0);
927 927
928 iolocked = 0; 928 iolocked = 0;
929 if (lock_flags & XFS_IOLOCK_EXCL) { 929 if (lock_flags & XFS_IOLOCK_EXCL) {
@@ -983,7 +983,8 @@ xfs_iunlock(xfs_inode_t *ip,
983 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)); 983 (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL));
984 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) != 984 ASSERT((lock_flags & (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)) !=
985 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL)); 985 (XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
986 ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_IUNLOCK_NONOTIFY)) == 0); 986 ASSERT((lock_flags & ~(XFS_LOCK_MASK | XFS_IUNLOCK_NONOTIFY |
987 XFS_LOCK_DEP_MASK)) == 0);
987 ASSERT(lock_flags != 0); 988 ASSERT(lock_flags != 0);
988 989
989 if (lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) { 990 if (lock_flags & (XFS_IOLOCK_SHARED | XFS_IOLOCK_EXCL)) {