diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2016-01-31 23:38:28 +0100 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2016-02-23 04:34:39 +0100 |
| commit | 78ce23b51802f5e917d89e8fc9a56dec6cc2fd5b (patch) | |
| tree | 9c0e4139ce06b366f089d28e7236fe0ff3953d34 /drivers/md | |
| parent | dm mpath: cleanup 'struct dm_mpath_io' management code (diff) | |
| download | linux-78ce23b51802f5e917d89e8fc9a56dec6cc2fd5b.tar.xz linux-78ce23b51802f5e917d89e8fc9a56dec6cc2fd5b.zip | |
dm mpath: use blk_mq_alloc_request() and blk_mq_free_request() directly
There isn't any need to support both old .request_fn and blk-mq paths
in the blk-mq specific portion of __multipath_map(). Call
blk_mq_alloc_request() directly rather than use blk_get_request().
Similarly, call blk_mq_free_request(), rather than blk_put_request(), in
multipath_release_clone().
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-mpath.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 2f7c6a550a2d..d31fce508f8f 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -23,6 +23,7 @@ #include <linux/delay.h> #include <scsi/scsi_dh.h> #include <linux/atomic.h> +#include <linux/blk-mq.h> #define DM_MSG_PREFIX "multipath" #define DM_PG_INIT_DELAY_MSECS 2000 @@ -452,8 +453,8 @@ static int __multipath_map(struct dm_target *ti, struct request *clone, * .request_fn stacked on blk-mq path(s) and * blk-mq stacked on blk-mq path(s). */ - *__clone = blk_get_request(bdev_get_queue(bdev), - rq_data_dir(rq), GFP_ATOMIC); + *__clone = blk_mq_alloc_request(bdev_get_queue(bdev), + rq_data_dir(rq), BLK_MQ_REQ_NOWAIT); if (IS_ERR(*__clone)) { /* ENOMEM, requeue */ clear_request_fn_mpio(m, map_context); @@ -491,7 +492,7 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq, static void multipath_release_clone(struct request *clone) { - blk_put_request(clone); + blk_mq_free_request(clone); } /* |