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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 /fs/gfs2/lops.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 'fs/gfs2/lops.c')
-rw-r--r--fs/gfs2/lops.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index c0a1b967deba..92324ac58290 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -261,18 +261,11 @@ void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw)
static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno)
{
struct super_block *sb = sdp->sd_vfs;
- unsigned nrvecs = bio_get_nr_vecs(sb->s_bdev);
struct bio *bio;
BUG_ON(sdp->sd_log_bio);
- while (1) {
- bio = bio_alloc(GFP_NOIO, nrvecs);
- if (likely(bio))
- break;
- nrvecs = max(nrvecs/2, 1U);
- }
-
+ bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES);
bio->bi_iter.bi_sector = blkno * (sb->s_blocksize >> 9);
bio->bi_bdev = sb->s_bdev;
bio->bi_end_io = gfs2_end_log_write;