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| author | Mike Snitzer | 2017-12-06 22:08:14 +0100 |
|---|---|---|
| committer | Mike Snitzer | 2018-01-03 15:27:40 +0100 |
| commit | 1836df0891423dcf2b68771e04b28e2208ee95f2 (patch) | |
| tree | e88e76945d5d98a24fe4e8ca23945565be760ea4 /drivers/md/dm-mpath.c | |
| parent | dm mpath: optimize retrieval of bio_details from per-bio-data (diff) | |
| download | kernel-qcow2-linux-1836df0891423dcf2b68771e04b28e2208ee95f2.tar.gz kernel-qcow2-linux-1836df0891423dcf2b68771e04b28e2208ee95f2.tar.xz kernel-qcow2-linux-1836df0891423dcf2b68771e04b28e2208ee95f2.zip | |
dm mpath: move dm_bio_restore out of endio method
Moving the dm_bio_restore() to process_queued_bios() avoids doing that
work in multipath_end_io_bio().
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 40d721df11d3..45e9044d3bb5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -639,7 +639,9 @@ static void process_queued_bios(struct work_struct *work) blk_start_plug(&plug); while ((bio = bio_list_pop(&bios))) { - r = __multipath_map_bio(m, bio, get_mpio_from_bio(bio)); + struct dm_mpath_io *mpio = get_mpio_from_bio(bio); + dm_bio_restore(get_bio_details_from_mpio(mpio), bio); + r = __multipath_map_bio(m, bio, mpio); switch (r) { case DM_MAPIO_KILL: bio->bi_status = BLK_STS_IOERR; @@ -1551,9 +1553,6 @@ static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, goto done; } - /* Queue for the daemon to resubmit */ - dm_bio_restore(get_bio_details_from_mpio(mpio), clone); - spin_lock_irqsave(&m->lock, flags); bio_list_add(&m->queued_bios, clone); spin_unlock_irqrestore(&m->lock, flags); |