diff options
author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-17 21:37:37 -0700 |
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committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-26 15:38:24 -0700 |
commit | 537964bceb9a4c9e39a16a83042b80986d373453 (patch) | |
tree | fe0cd0e6c1db0d9854f6bf56118a95b36117d238 /fs/xfs/scrub/trace.c | |
parent | 4700d22980d459f6c20012a6cb9767a314ab1065 (diff) | |
download | linux-537964bceb9a4c9e39a16a83042b80986d373453.tar.bz2 |
xfs: create helpers to scrub a metadata btree
Create helper functions and tracepoints to deal with errors while
scrubbing a metadata btree.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/trace.c')
-rw-r--r-- | fs/xfs/scrub/trace.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/xfs/scrub/trace.c b/fs/xfs/scrub/trace.c index 88b5ccb5df07..472080e75788 100644 --- a/fs/xfs/scrub/trace.c +++ b/fs/xfs/scrub/trace.c @@ -30,10 +30,27 @@ #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_trans.h" +#include "xfs_bit.h" #include "scrub/xfs_scrub.h" #include "scrub/scrub.h" #include "scrub/common.h" +/* Figure out which block the btree cursor was pointing to. */ +static inline xfs_fsblock_t +xfs_scrub_btree_cur_fsbno( + struct xfs_btree_cur *cur, + int level) +{ + if (level < cur->bc_nlevels && cur->bc_bufs[level]) + return XFS_DADDR_TO_FSB(cur->bc_mp, cur->bc_bufs[level]->b_bn); + else if (level == cur->bc_nlevels - 1 && + cur->bc_flags & XFS_BTREE_LONG_PTRS) + return XFS_INO_TO_FSB(cur->bc_mp, cur->bc_private.b.ip->i_ino); + else if (!(cur->bc_flags & XFS_BTREE_LONG_PTRS)) + return XFS_AGB_TO_FSB(cur->bc_mp, cur->bc_private.a.agno, 0); + return NULLFSBLOCK; +} + /* * We include this last to have the helpers above available for the trace * event implementations. |