block: remove bio_get_nr_vecs()

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c22f175ed02486a5bce1213aa635636edaa7e071..68b12bbc709f92c48328743d84a20e10913def12 100644 (file)
--- 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;