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authorEric Sandeen <sandeen@redhat.com>2014-02-19 15:39:35 +1100
committerDave Chinner <david@fromorbit.com>2014-02-19 15:39:35 +1100
commit5ef11eb0700f806c4671ba33e5befa784a2f70ef (patch)
tree9746beb7ff88023b83ed8b1a42e2401bbaa0eaa1 /fs
parentdaba5427dad6b260256053f914de2c0b79f7a79f (diff)
downloadop-kernel-dev-5ef11eb0700f806c4671ba33e5befa784a2f70ef.zip
op-kernel-dev-5ef11eb0700f806c4671ba33e5befa784a2f70ef.tar.gz
xfs: limit superblock corruption errors to actual corruption
Today, if xfs_sb_read_verify xfs_sb_verify xfs_mount_validate_sb detects superblock corruption, it'll be extremely noisy, dumping 2 stacks, 2 hexdumps, etc. This is because we call XFS_CORRUPTION_ERROR in xfs_mount_validate_sb as well as in xfs_sb_read_verify. Also, *any* errors in xfs_mount_validate_sb which are not corruption per se; things like too-big-blocksize, bad version, bad magic, v1 dirs, rw-incompat etc - things which do not return EFSCORRUPTED - will still do the whole XFS_CORRUPTION_ERROR spew when xfs_sb_read_verify sees any error at all. And it suggests to the user that they should run xfs_repair, even if the root cause of the mount failure is a simple incompatibility. I'll submit that the probably-not-corrupted errors don't warrant this much noise, so this patch removes the warning for anything other than EFSCORRUPTED returns, and replaces the lower-level XFS_CORRUPTION_ERROR with an xfs_notice(). Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_sb.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c
index 359b19a..1e11679 100644
--- a/fs/xfs/xfs_sb.c
+++ b/fs/xfs/xfs_sb.c
@@ -295,8 +295,7 @@ xfs_mount_validate_sb(
sbp->sb_dblocks == 0 ||
sbp->sb_dblocks > XFS_MAX_DBLOCKS(sbp) ||
sbp->sb_dblocks < XFS_MIN_DBLOCKS(sbp))) {
- XFS_CORRUPTION_ERROR("SB sanity check failed",
- XFS_ERRLEVEL_LOW, mp, sbp);
+ xfs_notice(mp, "SB sanity check failed");
return XFS_ERROR(EFSCORRUPTED);
}
@@ -625,7 +624,7 @@ xfs_sb_read_verify(
out_error:
if (error) {
- if (error != EWRONGFS)
+ if (error == EFSCORRUPTED)
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
mp, bp->b_addr);
xfs_buf_ioerror(bp, error);
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