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[PATCH] xfs_repair: don't abort on bad directory leaf crc during leaf ch

To: xfs@xxxxxxxxxxx
Subject: [PATCH] xfs_repair: don't abort on bad directory leaf crc during leaf check
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Date: Wed, 18 Mar 2015 16:22:39 -0700
Delivered-to: xfs@xxxxxxxxxxx
User-agent: Mutt/1.5.21 (2010-09-15)
longform_dir2_check_leaf() checks a directory leaf block to help
decide if we need to rebuild the directory.  If the verifier fails
with a CRC or corrupt structure error, rebuild the directory instead
of aborting.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 repair/phase6.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/repair/phase6.c b/repair/phase6.c
index 1728609..c09b394 100644
--- a/repair/phase6.c
+++ b/repair/phase6.c
@@ -1951,7 +1951,12 @@ longform_dir2_check_leaf(
        da_bno = mp->m_dirleafblk;
        error = dir_read_buf(ip, da_bno, -1, &bp, &xfs_dir3_leaf1_buf_ops,
                             &fixit);
-       if (error) {
+       if (error == EFSBADCRC || error == EFSCORRUPTED || fixit) {
+               do_warn(
+       _("leaf block %u for directory inode %" PRIu64 " bad CRC\n"),
+                       da_bno, ip->i_ino);
+               return 1;
+       } else if (error) {
                do_error(
        _("can't read block %u for directory inode %" PRIu64 ", error %d\n"),
                        da_bno, ip->i_ino, error);

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