diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2020-09-29 16:27:21 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-09-29 16:31:35 -0400 |
| commit | 1471308fb5ec4335f9ae9fc65f65048dbe7c336e (patch) | |
| tree | 69aef90f47105e1c730e5277f352d3d5446a1174 /drivers/md/dm.c | |
| parent | 4c07ae0ad493b7b2d3dd3e53870e594f136ce8a5 (diff) | |
| parent | 76cffccd606acffde1b91e8b029b39b5fd1a3117 (diff) | |
Merge remote-tracking branch 'jens/for-5.10/block' into dm-5.10
DM depends on these block 5.10 commits:
22ada802ede8 block: use lcm_not_zero() when stacking chunk_sectors
07d098e6bbad block: allow 'chunk_sectors' to be non-power-of-2
021a24460dc2 block: add QUEUE_FLAG_NOWAIT
6abc49468eea dm: add support for REQ_NOWAIT and enable it for linear target
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6ed05ca65a0f..977a962fa0bb 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1786,7 +1786,9 @@ static blk_qc_t dm_submit_bio(struct bio *bio) if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))) { dm_put_live_table(md, srcu_idx); - if (!(bio->bi_opf & REQ_RAHEAD)) + if (bio->bi_opf & REQ_NOWAIT) + bio_wouldblock_error(bio); + else if (!(bio->bi_opf & REQ_RAHEAD)) queue_io(md, bio); else bio_io_error(bio); @@ -2082,18 +2084,6 @@ static void event_callback(void *context) } /* - * Protected by md->suspend_lock obtained by dm_swap_table(). - */ -static void __set_size(struct mapped_device *md, sector_t size) -{ - lockdep_assert_held(&md->suspend_lock); - - set_capacity(md->disk, size); - - i_size_write(md->bdev->bd_inode, (loff_t)size << SECTOR_SHIFT); -} - -/* * Returns old map, which caller must destroy. */ static struct dm_table *__bind(struct mapped_device *md, struct dm_table *t, @@ -2115,7 +2105,8 @@ static struct dm_table *__bind(struct mapped_device *md, struct dm_table *t, if (size != dm_get_size(md)) memset(&md->geometry, 0, sizeof(md->geometry)); - __set_size(md, size); + set_capacity(md->disk, size); + bd_set_nr_sectors(md->bdev, size); dm_table_event_callback(t, event_callback, md); |