diff options
| author | Nikolay Borisov <nborisov@suse.com> | 2020-07-02 16:46:45 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-07-27 13:55:41 +0300 |
| commit | 830258632757cad2ffb5cbc86f266ca475caf4af (patch) | |
| tree | 7b8d3f46542c82d98a20938d3ea60a52f34e6a59 /fs/btrfs | |
| parent | bf28a605e626a7c0169584f22f5dc96ce92ae813 (diff) | |
| download | linux-830258632757cad2ffb5cbc86f266ca475caf4af.tar.xz | |
btrfs: raid56: use in_range where applicable
While at it use the opportunity to simplify find_logical_bio_stripe by
reducing the scope of 'stripe_start' variable and squash the
sector-to-bytes conversion on one line.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/raid56.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index d91cca43989a..c09b1c228372 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1349,7 +1349,6 @@ static int find_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio) { u64 physical = bio->bi_iter.bi_sector; - u64 stripe_start; int i; struct btrfs_bio_stripe *stripe; @@ -1357,9 +1356,7 @@ static int find_bio_stripe(struct btrfs_raid_bio *rbio, for (i = 0; i < rbio->bbio->num_stripes; i++) { stripe = &rbio->bbio->stripes[i]; - stripe_start = stripe->physical; - if (physical >= stripe_start && - physical < stripe_start + rbio->stripe_len && + if (in_range(physical, stripe->physical, rbio->stripe_len) && stripe->dev->bdev && bio->bi_disk == stripe->dev->bdev->bd_disk && bio->bi_partno == stripe->dev->bdev->bd_partno) { @@ -1377,18 +1374,14 @@ static int find_bio_stripe(struct btrfs_raid_bio *rbio, static int find_logical_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio) { - u64 logical = bio->bi_iter.bi_sector; - u64 stripe_start; + u64 logical = (u64)bio->bi_iter.bi_sector << 9; int i; - logical <<= 9; - for (i = 0; i < rbio->nr_data; i++) { - stripe_start = rbio->bbio->raid_map[i]; - if (logical >= stripe_start && - logical < stripe_start + rbio->stripe_len) { + u64 stripe_start = rbio->bbio->raid_map[i]; + + if (in_range(logical, stripe_start, rbio->stripe_len)) return i; - } } return -1; } |