diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-11-25 11:07:47 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-11-30 15:45:19 +0300 |
| commit | 80ace3e40390ad0a85606b3a1450eb723070c9a9 (patch) | |
| tree | 2c739d8f63e213c17c0f6c45284c0daa345c9c58 /fs/btrfs/raid56.c | |
| parent | 974b1adc3b103fae1dbc1fe6a8aceeca2878f20e (diff) | |
| download | linux-80ace3e40390ad0a85606b3a1450eb723070c9a9.tar.xz | |
btrfs: don't access the bio directly in the raid5/6 code
Just use bio_for_each_segment_all to iterate over all segments.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/raid56.c')
| -rw-r--r-- | fs/btrfs/raid56.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index d016d4a79864..eece126d6973 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1144,10 +1144,10 @@ static void validate_rbio_for_rmw(struct btrfs_raid_bio *rbio) static void index_rbio_pages(struct btrfs_raid_bio *rbio) { struct bio *bio; + struct bio_vec *bvec; u64 start; unsigned long stripe_offset; unsigned long page_index; - struct page *p; int i; spin_lock_irq(&rbio->bio_list_lock); @@ -1156,10 +1156,8 @@ static void index_rbio_pages(struct btrfs_raid_bio *rbio) stripe_offset = start - rbio->bbio->raid_map[0]; page_index = stripe_offset >> PAGE_SHIFT; - for (i = 0; i < bio->bi_vcnt; i++) { - p = bio->bi_io_vec[i].bv_page; - rbio->bio_pages[page_index + i] = p; - } + bio_for_each_segment_all(bvec, bio, i) + rbio->bio_pages[page_index + i] = bvec->bv_page; } spin_unlock_irq(&rbio->bio_list_lock); } @@ -1433,13 +1431,11 @@ static int fail_bio_stripe(struct btrfs_raid_bio *rbio, */ static void set_bio_pages_uptodate(struct bio *bio) { + struct bio_vec *bvec; int i; - struct page *p; - for (i = 0; i < bio->bi_vcnt; i++) { - p = bio->bi_io_vec[i].bv_page; - SetPageUptodate(p); - } + bio_for_each_segment_all(bvec, bio, i) + SetPageUptodate(bvec->bv_page); } /* |