diff options
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 2da9d3ba902d..229d7b204297 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -320,7 +320,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int * this branch is our 'one mirror IO has finished' event handler: */ r1_bio->bios[mirror] = NULL; - bio_put(bio); if (!uptodate) { md_error(r1_bio->mddev, conf->mirrors[mirror].rdev); /* an I/O failed, we can't clear the bitmap */ @@ -377,7 +376,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int } if (test_bit(R1BIO_BehindIO, &r1_bio->state)) { /* free extra copy of the data pages */ -/* FIXME bio has been freed!!! */ int i = bio->bi_vcnt; while (i--) __free_page(bio->bi_io_vec[i].bv_page); @@ -391,6 +389,9 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int raid_end_bio_io(r1_bio); } + if (r1_bio->bios[mirror]==NULL) + bio_put(bio); + rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev); return 0; } @@ -953,9 +954,6 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) int mirror = 0; mirror_info_t *p; - if (rdev->saved_raid_disk >= 0 && - conf->mirrors[rdev->saved_raid_disk].rdev == NULL) - mirror = rdev->saved_raid_disk; for (mirror=0; mirror < mddev->raid_disks; mirror++) if ( !(p=conf->mirrors+mirror)->rdev) { @@ -972,7 +970,10 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) p->head_position = 0; rdev->raid_disk = mirror; found = 1; - if (rdev->saved_raid_disk != mirror) + /* As all devices are equivalent, we don't need a full recovery + * if this was recently any drive of the array + */ + if (rdev->saved_raid_disk < 0) conf->fullsync = 1; rcu_assign_pointer(p->rdev, rdev); break; |