diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-01-05 17:43:31 -0800 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-08-25 22:25:52 -0700 |
| commit | 2ac40525ee9c062c19b0f673c0b8041556a8bc36 (patch) | |
| tree | 2ef2ccf0444d820712b47a9e65c03f444f9bbaed /fs/xfs/libxfs/xfs_ialloc.c | |
| parent | 9f7516e58abfaa1143975394de3ba921e05af100 (diff) | |
xfs: repair inode btrees
Use the rmapbt to find inode chunks, query the chunks to compute
hole and free masks, and with that information rebuild the inobt
and finobt.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index 99b331983e9b..0440af54a301 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -95,6 +95,19 @@ xfs_inobt_btrec_to_irec( irec->ir_free = be64_to_cpu(rec->inobt.ir_free); } +uint8_t +xfs_inobt_rec_freecount( + const struct xfs_inobt_rec_incore *irec) +{ + uint64_t realfree; + + if (!xfs_inobt_issparse(irec->ir_holemask)) + realfree = irec->ir_free; + else + realfree = irec->ir_free & xfs_inobt_irec_to_allocmask(irec); + return hweight64(realfree); +} + /* * Get the data from the pointed-to record. */ @@ -108,7 +121,6 @@ xfs_inobt_get_rec( xfs_agnumber_t agno = cur->bc_ag.pag->pag_agno; union xfs_btree_rec *rec; int error; - uint64_t realfree; error = xfs_btree_get_rec(cur, &rec, stat); if (error || *stat == 0) @@ -125,11 +137,7 @@ xfs_inobt_get_rec( goto out_bad_rec; /* if there are no holes, return the first available offset */ - if (!xfs_inobt_issparse(irec->ir_holemask)) - realfree = irec->ir_free; - else - realfree = irec->ir_free & xfs_inobt_irec_to_allocmask(irec); - if (hweight64(realfree) != irec->ir_freecount) + if (xfs_inobt_rec_freecount(irec) != irec->ir_freecount) goto out_bad_rec; return 0; |