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xfs: modify verifiers to differentiate CRC from other errors

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Modify all read & write verifiers to differentiate
between CRC errors and other inconsistencies.

This sets the appropriate error number on bp->b_error,
and then calls xfs_verifier_error() if something went
wrong.  That function will issue the appropriate message
to the user.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen
2014-02-27 15:23:10 +11:00
committed by Dave Chinner
parent db9355c296
commit ce5028cfe3
16 changed files with 125 additions and 117 deletions
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15
fs/xfs/xfs_ialloc_btree.c
View File

@@ -243,12 +243,14 @@ static void
xfs_inobt_read_verify(
struct xfs_buf *bp)
{
if (!(xfs_btree_sblock_verify_crc(bp) &&
xfs_inobt_verify(bp))) {
trace_xfs_btree_corrupt(bp, _RET_IP_);
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
bp->b_target->bt_mount, bp->b_addr);
if (!xfs_btree_sblock_verify_crc(bp))
xfs_buf_ioerror(bp, EFSBADCRC);
else if (!xfs_inobt_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
if (bp->b_error) {
trace_xfs_btree_corrupt(bp, _RET_IP_);
xfs_verifier_error(bp);
}
}
@@ -258,9 +260,8 @@ xfs_inobt_write_verify(
{
if (!xfs_inobt_verify(bp)) {
trace_xfs_btree_corrupt(bp, _RET_IP_);
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
bp->b_target->bt_mount, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
xfs_verifier_error(bp);
return;
}
xfs_btree_sblock_calc_crc(bp);