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Diffstat (limited to 'fs/xfs/scrub/bmap.c')
-rw-r--r--fs/xfs/scrub/bmap.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index e485a546a758..7b4d0e2736a2 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -96,11 +96,23 @@ out:
struct xchk_bmap_info {
struct xfs_scrub *sc;
+
+ /* Incore extent tree cursor */
struct xfs_iext_cursor icur;
- xfs_fileoff_t lastoff;
+
+ /* Previous fork mapping that we examined */
+ struct xfs_bmbt_irec prev_rec;
+
+ /* Is this a realtime fork? */
bool is_rt;
+
+ /* May mappings point to shared space? */
bool is_shared;
+
+ /* Was the incore extent tree loaded? */
bool was_loaded;
+
+ /* Which inode fork are we checking? */
int whichfork;
};
@@ -405,7 +417,8 @@ xchk_bmap_iextent(
* Check for out-of-order extents. This record could have come
* from the incore list, for which there is no ordering check.
*/
- if (irec->br_startoff < info->lastoff)
+ if (irec->br_startoff < info->prev_rec.br_startoff +
+ info->prev_rec.br_blockcount)
xchk_fblock_set_corrupt(info->sc, info->whichfork,
irec->br_startoff);
@@ -712,7 +725,8 @@ xchk_bmap_iextent_delalloc(
* Check for out-of-order extents. This record could have come
* from the incore list, for which there is no ordering check.
*/
- if (irec->br_startoff < info->lastoff)
+ if (irec->br_startoff < info->prev_rec.br_startoff +
+ info->prev_rec.br_blockcount)
xchk_fblock_set_corrupt(info->sc, info->whichfork,
irec->br_startoff);
@@ -806,7 +820,6 @@ xchk_bmap(
goto out;
/* Scrub extent records. */
- info.lastoff = 0;
ifp = xfs_ifork_ptr(ip, whichfork);
for_each_xfs_iext(ifp, &info.icur, &irec) {
if (xchk_should_terminate(sc, &error) ||
@@ -823,7 +836,7 @@ xchk_bmap(
xchk_bmap_iextent_delalloc(ip, &info, &irec);
else
xchk_bmap_iextent(ip, &info, &irec);
- info.lastoff = irec.br_startoff + irec.br_blockcount;
+ memcpy(&info.prev_rec, &irec, sizeof(struct xfs_bmbt_irec));
}
error = xchk_bmap_check_rmaps(sc, whichfork);