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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2015-05-19 12:31:01 (GMT) |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-08-13 18:32:04 (GMT) |
| commit | b54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c (patch) | |
| tree | 8a6d90b3e092e598fefd34718afd2198d8bff2a7 /fs/ext4 | |
| parent | 6cf66b4caf9c71f64a5486cadbd71ab58d0d4307 (diff) | |
| download | linux-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/ext4')
| -rw-r--r-- | fs/ext4/page-io.c | 3 | ||||
| -rw-r--r-- | fs/ext4/readpage.c | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index aa95566..8a9d63a 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -372,10 +372,9 @@ void ext4_io_submit_init(struct ext4_io_submit *io, static int io_submit_init_bio(struct ext4_io_submit *io, struct buffer_head *bh) { - int nvecs = bio_get_nr_vecs(bh->b_bdev); struct bio *bio; - bio = bio_alloc(GFP_NOIO, min(nvecs, BIO_MAX_PAGES)); + bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES); if (!bio) return -ENOMEM; bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9); diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index 5de5b87..e26803f 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -284,7 +284,7 @@ int ext4_mpage_readpages(struct address_space *mapping, goto set_error_page; } bio = bio_alloc(GFP_KERNEL, - min_t(int, nr_pages, bio_get_nr_vecs(bdev))); + min_t(int, nr_pages, BIO_MAX_PAGES)); if (!bio) { if (ctx) ext4_release_crypto_ctx(ctx); |