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-rw-r--r--block/blk-lib.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 5677fd33d7d..b3a1f2b70b3 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -48,6 +48,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
struct bio_batch bb;
struct bio *bio;
int ret = 0;
+ struct blk_plug plug;
if (!q)
return -ENXIO;
@@ -82,6 +83,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
bb.flags = 1 << BIO_UPTODATE;
bb.wait = &wait;
+ blk_start_plug(&plug);
while (nr_sects) {
unsigned int req_sects;
sector_t end_sect, tmp;
@@ -120,6 +122,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
atomic_inc(&bb.done);
submit_bio(type, bio);
}
+ blk_finish_plug(&plug);
/* Wait for bios in-flight */
if (!atomic_dec_and_test(&bb.done))