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xfs: xfs_buf_corruption_error should take __this_address

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Add a xfs_failaddr_t parameter to this function so that callers can
potentially pass in (and therefore report) the exact point in the code
where we decided that a metadata buffer was corrupt.  This enables us to
wire it up to checking functions that have to run outside of verifiers.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2020-03-11 10:37:54 -07:00
parent 8d57c21600
commit e83cf875d6
3 changed files with 5 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
fs/xfs/xfs_buf.c
View file

@ -1591,7 +1591,7 @@ __xfs_buf_mark_corrupt(
{
ASSERT(bp->b_flags & XBF_DONE);
xfs_buf_corruption_error(bp);
xfs_buf_corruption_error(bp, fa);
xfs_buf_stale(bp);
}

5
fs/xfs/xfs_error.c
View file

@ -350,13 +350,14 @@ xfs_corruption_error(
*/
void
xfs_buf_corruption_error(
struct xfs_buf *bp)
struct xfs_buf *bp,
xfs_failaddr_t fa)
{
struct xfs_mount *mp = bp->b_mount;
xfs_alert_tag(mp, XFS_PTAG_VERIFIER_ERROR,
"Metadata corruption detected at %pS, %s block 0x%llx",
__return_address, bp->b_ops->name, bp->b_bn);
fa, bp->b_ops->name, bp->b_bn);
xfs_alert(mp, "Unmount and run xfs_repair");

2
fs/xfs/xfs_error.h
View file

@ -15,7 +15,7 @@ extern void xfs_corruption_error(const char *tag, int level,
struct xfs_mount *mp, const void *buf, size_t bufsize,
const char *filename, int linenum,
xfs_failaddr_t failaddr);
void xfs_buf_corruption_error(struct xfs_buf *bp);
void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
const char *name, const void *buf, size_t bufsz,
xfs_failaddr_t failaddr);