diff options
| author | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
| commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
| tree | 5509b5139db04af6c13db0a580c84116a4a54039 /drivers/md/dm-raid1.c | |
| parent | eae61f3c829439f8f9121b5cd48a14be04df451f (diff) | |
| parent | 214d93b02c4fe93638ad268613c9702a81ed9192 (diff) | |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'drivers/md/dm-raid1.c')
| -rw-r--r-- | drivers/md/dm-raid1.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 19a59b041c277..dee326775c606 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -261,7 +261,7 @@ static int mirror_flush(struct dm_target *ti) struct dm_io_request io_req = { .bi_rw = WRITE_FLUSH, .mem.type = DM_IO_KMEM, - .mem.ptr.bvec = NULL, + .mem.ptr.addr = NULL, .client = ms->io_client, }; @@ -637,6 +637,12 @@ static void do_write(struct mirror_set *ms, struct bio *bio) .client = ms->io_client, }; + if (bio->bi_rw & REQ_DISCARD) { + io_req.bi_rw |= REQ_DISCARD; + io_req.mem.type = DM_IO_KMEM; + io_req.mem.ptr.addr = NULL; + } + for (i = 0, m = ms->mirror; i < ms->nr_mirrors; i++, m++) map_region(dest++, m, bio); @@ -670,7 +676,8 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) bio_list_init(&requeue); while ((bio = bio_list_pop(writes))) { - if (bio->bi_rw & REQ_FLUSH) { + if ((bio->bi_rw & REQ_FLUSH) || + (bio->bi_rw & REQ_DISCARD)) { bio_list_add(&sync, bio); continue; } @@ -1076,8 +1083,10 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->private = ms; ti->split_io = dm_rh_get_region_size(ms->rh); ti->num_flush_requests = 1; + ti->num_discard_requests = 1; - ms->kmirrord_wq = create_singlethread_workqueue("kmirrord"); + ms->kmirrord_wq = alloc_workqueue("kmirrord", + WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0); if (!ms->kmirrord_wq) { DMERR("couldn't start kmirrord"); r = -ENOMEM; @@ -1130,7 +1139,7 @@ static void mirror_dtr(struct dm_target *ti) del_timer_sync(&ms->timer); flush_workqueue(ms->kmirrord_wq); - flush_scheduled_work(); + flush_work_sync(&ms->trigger_event); dm_kcopyd_client_destroy(ms->kcopyd_client); destroy_workqueue(ms->kmirrord_wq); free_context(ms, ti, ms->nr_mirrors); @@ -1406,7 +1415,7 @@ static int mirror_iterate_devices(struct dm_target *ti, static struct target_type mirror_target = { .name = "mirror", - .version = {1, 12, 0}, + .version = {1, 12, 1}, .module = THIS_MODULE, .ctr = mirror_ctr, .dtr = mirror_dtr, |