summaryrefslogtreecommitdiff
path: root/drivers/md/dm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r--drivers/md/dm.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 25d1d97..fa9b1cb 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -798,12 +798,12 @@ static void dec_pending(struct dm_io *io, int error)
if (io_error == DM_ENDIO_REQUEUE)
return;
- if ((bio->bi_rw & REQ_PREFLUSH) && bio->bi_iter.bi_size) {
+ if ((bio->bi_opf & REQ_PREFLUSH) && bio->bi_iter.bi_size) {
/*
* Preflush done for flush with data, reissue
* without REQ_PREFLUSH.
*/
- bio->bi_rw &= ~REQ_PREFLUSH;
+ bio->bi_opf &= ~REQ_PREFLUSH;
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
@@ -964,7 +964,7 @@ void dm_accept_partial_bio(struct bio *bio, unsigned n_sectors)
{
struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
unsigned bi_size = bio->bi_iter.bi_size >> SECTOR_SHIFT;
- BUG_ON(bio->bi_rw & REQ_PREFLUSH);
+ BUG_ON(bio->bi_opf & REQ_PREFLUSH);
BUG_ON(bi_size > *tio->len_ptr);
BUG_ON(n_sectors > bi_size);
*tio->len_ptr -= bi_size - n_sectors;
@@ -1252,7 +1252,7 @@ static void __split_and_process_bio(struct mapped_device *md,
start_io_acct(ci.io);
- if (bio->bi_rw & REQ_PREFLUSH) {
+ if (bio->bi_opf & REQ_PREFLUSH) {
ci.bio = &ci.md->flush_bio;
ci.sector_count = 0;
error = __send_empty_flush(&ci);
@@ -1290,7 +1290,7 @@ static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio)
if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags))) {
dm_put_live_table(md, srcu_idx);
- if (!(bio->bi_rw & REQ_RAHEAD))
+ if (!(bio->bi_opf & REQ_RAHEAD))
queue_io(md, bio);
else
bio_io_error(bio);
@@ -2082,7 +2082,8 @@ static void unlock_fs(struct mapped_device *md)
* Caller must hold md->suspend_lock
*/
static int __dm_suspend(struct mapped_device *md, struct dm_table *map,
- unsigned suspend_flags, int interruptible)
+ unsigned suspend_flags, int interruptible,
+ int dmf_suspended_flag)
{
bool do_lockfs = suspend_flags & DM_SUSPEND_LOCKFS_FLAG;
bool noflush = suspend_flags & DM_SUSPEND_NOFLUSH_FLAG;
@@ -2149,6 +2150,8 @@ static int __dm_suspend(struct mapped_device *md, struct dm_table *map,
* to finish.
*/
r = dm_wait_for_completion(md, interruptible);
+ if (!r)
+ set_bit(dmf_suspended_flag, &md->flags);
if (noflush)
clear_bit(DMF_NOFLUSH_SUSPENDING, &md->flags);
@@ -2210,12 +2213,10 @@ retry:
map = rcu_dereference_protected(md->map, lockdep_is_held(&md->suspend_lock));
- r = __dm_suspend(md, map, suspend_flags, TASK_INTERRUPTIBLE);
+ r = __dm_suspend(md, map, suspend_flags, TASK_INTERRUPTIBLE, DMF_SUSPENDED);
if (r)
goto out_unlock;
- set_bit(DMF_SUSPENDED, &md->flags);
-
dm_table_postsuspend_targets(map);
out_unlock:
@@ -2309,9 +2310,8 @@ static void __dm_internal_suspend(struct mapped_device *md, unsigned suspend_fla
* would require changing .presuspend to return an error -- avoid this
* until there is a need for more elaborate variants of internal suspend.
*/
- (void) __dm_suspend(md, map, suspend_flags, TASK_UNINTERRUPTIBLE);
-
- set_bit(DMF_SUSPENDED_INTERNALLY, &md->flags);
+ (void) __dm_suspend(md, map, suspend_flags, TASK_UNINTERRUPTIBLE,
+ DMF_SUSPENDED_INTERNALLY);
dm_table_postsuspend_targets(map);
}