Signed-off-by: Kent Overstreet <koverstreet@xxxxxxxxxx>
CC: Jens Axboe <axboe@xxxxxxxxx>
CC: NeilBrown <neilb@xxxxxxx>
---
drivers/md/raid1.c | 24 ++++++------------------
1 file changed, 6 insertions(+), 18 deletions(-)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 28f506a..4614b9e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1851,7 +1851,7 @@ static int process_checks(struct r1bio *r1_bio)
struct bio *sbio = r1_bio->bios[i];
int size;
- if (r1_bio->bios[i]->bi_end_io != end_sync_read)
+ if (sbio->bi_end_io != end_sync_read)
continue;
if (test_bit(BIO_UPTODATE, &sbio->bi_flags)) {
@@ -1876,16 +1876,15 @@ static int process_checks(struct r1bio *r1_bio)
continue;
}
/* fixup the bio for reuse */
+ bio_reset(sbio);
sbio->bi_vcnt = vcnt;
sbio->bi_size = r1_bio->sectors << 9;
- sbio->bi_idx = 0;
- sbio->bi_phys_segments = 0;
- sbio->bi_flags &= ~(BIO_POOL_MASK - 1);
- sbio->bi_flags |= 1 << BIO_UPTODATE;
- sbio->bi_next = NULL;
sbio->bi_sector = r1_bio->sector +
conf->mirrors[i].rdev->data_offset;
sbio->bi_bdev = conf->mirrors[i].rdev->bdev;
+ sbio->bi_end_io = end_sync_read;
+ sbio->bi_private = r1_bio;
+
size = sbio->bi_size;
for (j = 0; j < vcnt ; j++) {
struct bio_vec *bi;
@@ -2426,18 +2425,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp
for (i = 0; i < conf->raid_disks * 2; i++) {
struct md_rdev *rdev;
bio = r1_bio->bios[i];
-
- /* take from bio_init */
- bio->bi_next = NULL;
- bio->bi_flags &= ~(BIO_POOL_MASK-1);
- bio->bi_flags |= 1 << BIO_UPTODATE;
- bio->bi_rw = READ;
- bio->bi_vcnt = 0;
- bio->bi_idx = 0;
- bio->bi_phys_segments = 0;
- bio->bi_size = 0;
- bio->bi_end_io = NULL;
- bio->bi_private = NULL;
+ bio_reset(bio);
rdev = rcu_dereference(conf->mirrors[i].rdev);
if (rdev == NULL ||
--
1.7.12
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel
