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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2015-05-19 14:31:01 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-08-13 12:32:04 -0600 |
| commit | b54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c (patch) | |
| tree | 8a6d90b3e092e598fefd34718afd2198d8bff2a7 /fs/btrfs/extent_io.c | |
| parent | 6cf66b4caf9c71f64a5486cadbd71ab58d0d4307 (diff) | |
| download | blackbird-op-linux-b54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c.tar.gz blackbird-op-linux-b54ffb73cadcdcff9cc1ae0e11f502407e3e2e4c.zip | |
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/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c22f175ed024..68b12bbc709f 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2795,9 +2795,7 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, { int ret = 0; struct bio *bio; - int nr; int contig = 0; - int this_compressed = bio_flags & EXTENT_BIO_COMPRESSED; int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED; size_t page_size = min_t(size_t, size, PAGE_CACHE_SIZE); @@ -2822,12 +2820,9 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, return 0; } } - if (this_compressed) - nr = BIO_MAX_PAGES; - else - nr = bio_get_nr_vecs(bdev); - bio = btrfs_bio_alloc(bdev, sector, nr, GFP_NOFS | __GFP_HIGH); + bio = btrfs_bio_alloc(bdev, sector, BIO_MAX_PAGES, + GFP_NOFS | __GFP_HIGH); if (!bio) return -ENOMEM; |
