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| author | Darrick J. Wong <djwong@kernel.org> | 2022-10-26 14:31:27 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-10-31 08:58:21 -0700 |
| commit | f492135df0aa0417337f9b8b1cc6d6a994d61d25 (patch) | |
| tree | abcd902f27b79369f061dc278aa150e3d09b18d2 /fs/xfs/scrub/refcount.c | |
| parent | 571423a162cd86acb1b010a01c6203369586daa6 (diff) | |
| download | linux-stable-f492135df0aa0417337f9b8b1cc6d6a994d61d25.tar.gz linux-stable-f492135df0aa0417337f9b8b1cc6d6a994d61d25.tar.bz2 linux-stable-f492135df0aa0417337f9b8b1cc6d6a994d61d25.zip | |
xfs: refactor domain and refcount checking
Create a helper function to ensure that CoW staging extent records have
a single refcount and that shared extent records have more than 1
refcount. We'll put this to more use in the next patch.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/refcount.c')
| -rw-r--r-- | fs/xfs/scrub/refcount.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/xfs/scrub/refcount.c b/fs/xfs/scrub/refcount.c index af5b796ec9ec..fe5ffe4f478d 100644 --- a/fs/xfs/scrub/refcount.c +++ b/fs/xfs/scrub/refcount.c @@ -337,14 +337,12 @@ xchk_refcountbt_rec( xfs_refcount_btrec_to_irec(rec, &irec); - /* Only CoW records can have refcount == 1. */ - if (irec.rc_domain == XFS_REFC_DOMAIN_SHARED && irec.rc_refcount == 1) + /* Check the domain and refcount are not incompatible. */ + if (!xfs_refcount_check_domain(&irec)) xchk_btree_set_corrupt(bs->sc, bs->cur, 0); - if (irec.rc_domain == XFS_REFC_DOMAIN_COW) { - if (irec.rc_refcount != 1) - xchk_btree_set_corrupt(bs->sc, bs->cur, 0); + + if (irec.rc_domain == XFS_REFC_DOMAIN_COW) (*cow_blocks) += irec.rc_blockcount; - } /* Check the extent. */ if (!xfs_verify_agbext(pag, irec.rc_startblock, irec.rc_blockcount)) |