*/
spin_lock_irqsave(&md->deferred_lock, flags);
if (__noflush_suspending(md)) {
- if (!bio_barrier(io->bio))
+ if (!bio_rw_flagged(io->bio, BIO_RW_BARRIER))
bio_list_add_head(&md->deferred,
io->bio);
} else
io_error = io->error;
bio = io->bio;
- if (bio_barrier(bio)) {
+ if (bio_rw_flagged(bio, BIO_RW_BARRIER)) {
/*
* There can be just one barrier request so we use
* a per-device variable for error reporting.
dm_put(md);
}
+static void free_rq_clone(struct request *clone)
+{
+ struct dm_rq_target_io *tio = clone->end_io_data;
+
+ blk_rq_unprep_clone(clone);
+ free_rq_tio(tio);
+}
+
static void dm_unprep_request(struct request *rq)
{
struct request *clone = rq->special;
- struct dm_rq_target_io *tio = clone->end_io_data;
rq->special = NULL;
rq->cmd_flags &= ~REQ_DONTPREP;
- blk_rq_unprep_clone(clone);
- free_rq_tio(tio);
+ free_rq_clone(clone);
}
/*
rq->sense_len = clone->sense_len;
}
- BUG_ON(clone->bio);
- free_rq_tio(tio);
+ free_rq_clone(clone);
blk_end_request_all(rq, error);
ci.map = dm_get_table(md);
if (unlikely(!ci.map)) {
- if (!bio_barrier(bio))
+ if (!bio_rw_flagged(bio, BIO_RW_BARRIER))
bio_io_error(bio);
else
if (!md->barrier_error)
* we have to queue this io for later.
*/
if (unlikely(test_bit(DMF_QUEUE_IO_TO_THREAD, &md->flags)) ||
- unlikely(bio_barrier(bio))) {
+ unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
up_read(&md->io_lock);
if (unlikely(test_bit(DMF_BLOCK_IO_FOR_SUSPEND, &md->flags)) &&
{
struct mapped_device *md = q->queuedata;
- if (unlikely(bio_barrier(bio))) {
+ if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
bio_endio(bio, -EOPNOTSUPP);
return 0;
}
return r;
}
-static struct block_device_operations dm_blk_dops;
+static const struct block_device_operations dm_blk_dops;
static void dm_wq_work(struct work_struct *work);
if (dm_request_based(md))
generic_make_request(c);
else {
- if (bio_barrier(c))
+ if (bio_rw_flagged(c, BIO_RW_BARRIER))
process_barrier(md, c);
else
__split_and_process_bio(md, c);
kfree(pools);
}
-static struct block_device_operations dm_blk_dops = {
+static const struct block_device_operations dm_blk_dops = {
.open = dm_blk_open,
.release = dm_blk_close,
.ioctl = dm_blk_ioctl,