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authorKent Overstreet <kent.overstreet@gmail.com>2015-05-19 15:31:01 +0300
committerJens Axboe <axboe@fb.com>2015-08-13 21:32:04 +0300
commitb54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c (patch)
tree8a6d90b3e092e598fefd34718afd2198d8bff2a7 /drivers/md/dm-io.c
parent6cf66b4caf9c71f64a5486cadbd71ab58d0d4307 (diff)
downloadlinux-b54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c.tar.xz
block: remove bio_get_nr_vecs()
We can always fill up the bio now, no need to estimate the possible size based on queue parameters. Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> [hch: rebased and wrote a changelog] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-io.c')
-rw-r--r--drivers/md/dm-io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index c84714f70378..6f8e83b2a6f8 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -316,7 +316,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
if ((rw & REQ_DISCARD) || (rw & REQ_WRITE_SAME))
num_bvecs = 1;
else
- num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev),
+ num_bvecs = min_t(int, BIO_MAX_PAGES,
dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT)));
bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios);