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| author |   Kent Overstreet <kmo@daterainc.com> | 2013-11-07 12:20:26 -0800 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-23 22:33:46 -0800 |
| commit | 2c30c71bd653afcbed7f6754e8fe3d16e0e708a1 (patch) | |
| tree | a6b1147e4302b7216600c397cb47ca7f7f375a43 /fs/btrfs/disk-io.c | |
| parent | block: submit_bio_wait() conversions (diff) | |
| download | linux-dev-2c30c71bd653afcbed7f6754e8fe3d16e0e708a1.tar.xz linux-dev-2c30c71bd653afcbed7f6754e8fe3d16e0e708a1.zip | |
block: Convert various code to bio_for_each_segment()
With immutable biovecs we don't want code accessing bi_io_vec directly -
the uses this patch changes weren't incorrect since they all own the
bio, but it makes the code harder to audit for no good reason - also,
this will help with multipage bvecs later.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Chris Mason <chris.mason@fusionio.com>
Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Cc: Joern Engel <joern@logfs.org>
Cc: Prasad Joshi <prasadjoshi.linux@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8072cfa8a3b1..5a10c61adafc 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -842,20 +842,17 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, static int btree_csum_one_bio(struct bio *bio) { - struct bio_vec *bvec = bio->bi_io_vec; - int bio_index = 0; + struct bio_vec *bvec; struct btrfs_root *root; - int ret = 0; + int i, ret = 0; - WARN_ON(bio->bi_vcnt <= 0); - while (bio_index < bio->bi_vcnt) { + bio_for_each_segment_all(bvec, bio, i) { root = BTRFS_I(bvec->bv_page->mapping->host)->root; ret = csum_dirty_buffer(root, bvec->bv_page); if (ret) break; - bio_index++; - bvec++; } + return ret; } |