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authorBart Van Assche <bart.vanassche@wdc.com>2017-11-09 21:49:54 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-11 05:53:25 +0300
commit6a15674d1e90917f1723a814e2e8c949000440f7 (patch)
tree3ef924c704f4c3af2713b778508e0af1a67c3154 /include/linux/blkdev.h
parent055f6e18e08f5b7fd98171fce857a0bad87a919d (diff)
downloadlinux-6a15674d1e90917f1723a814e2e8c949000440f7.tar.xz
block: Introduce blk_get_request_flags()
A side effect of this patch is that the GFP mask that is passed to several allocation functions in the legacy block layer is changed from GFP_KERNEL into __GFP_DIRECT_RECLAIM. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Martin Steigerwald <martin@lichtvoll.de> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Cc: Christoph Hellwig <hch@lst.de> Cc: Ming Lei <ming.lei@redhat.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1437ef4d8037..1af5ddd0f631 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -927,6 +927,9 @@ extern void blk_rq_init(struct request_queue *q, struct request *rq);
extern void blk_init_request_from_bio(struct request *req, struct bio *bio);
extern void blk_put_request(struct request *);
extern void __blk_put_request(struct request_queue *, struct request *);
+extern struct request *blk_get_request_flags(struct request_queue *,
+ unsigned int op,
+ unsigned int flags);
extern struct request *blk_get_request(struct request_queue *, unsigned int op,
gfp_t gfp_mask);
extern void blk_requeue_request(struct request_queue *, struct request *);