diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2010-07-22 15:27:27 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2010-10-14 18:38:14 +0200 |
| commit | d207450cf2731c6a2afa8c78fb31c7206cd35eba (patch) | |
| tree | 2cd48ba58ebc3dd2c7243f5cf06240e88e960860 /drivers | |
| parent | 778f271dfe7a7173c0bae2d6cde8d9bd1533e668 (diff) | |
drbd: Bugfix: rs_in_flight could become wrong if read_for_csum() requested reschedule later
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/drbd/drbd_worker.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index fd3e1e9561c..30b8e466a22 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -512,7 +512,7 @@ int w_make_resync_request(struct drbd_conf *mdev, sector_t sector; const sector_t capacity = drbd_get_capacity(mdev->this_bdev); int max_segment_size; - int number, i, size, pe, mx; + int number, i, rollback_i, size, pe, mx; int align, queued, sndbuf; if (unlikely(cancel)) @@ -613,6 +613,7 @@ next_sector: * be prepared for all stripe sizes of software RAIDs. */ align = 1; + rollback_i = i; for (;;) { if (size + BM_BLOCK_SIZE > max_segment_size) break; @@ -654,6 +655,7 @@ next_sector: case 2: /* Allocation failed */ drbd_rs_complete_io(mdev, sector); mdev->bm_resync_fo = BM_SECT_TO_BIT(sector); + i = rollback_i; goto requeue; /* case 1: everything ok */ } |