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-rw-r--r--drivers/md/raid1.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 0a01a0cbd88a..b8889200718b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1630,6 +1630,12 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
/* before building a request, check if we can skip these blocks..
* This call the bitmap_start_sync doesn't actually record anything
*/
+ if (mddev->bitmap == NULL &&
+ mddev->recovery_cp == MaxSector &&
+ conf->fullsync == 0) {
+ *skipped = 1;
+ return max_sector - sector_nr;
+ }
if (!bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
!conf->fullsync && !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
/* We can skip this block, and probably several more */