diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2023-12-13 17:43:06 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-12-16 01:03:59 +0300 |
| commit | 89f547c6cc61baa77bb226c0a5284f56871d6080 (patch) | |
| tree | 41e622ad839127bb40518cd3dec25715dbbc797c /fs/btrfs/volumes.c | |
| parent | b55b307785ad88298914bc5c18c7d37bc5b88cb7 (diff) | |
| download | linux-89f547c6cc61baa77bb226c0a5284f56871d6080.tar.xz | |
btrfs: open code set_io_stripe for RAID56
Open code set_io_stripe() for RAID56, as it
a) uses a different method to calculate the stripe_index
b) doesn't need to go through raid-stripe-tree mapping code.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c79708df2a12..8b858244f0a8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6670,13 +6670,15 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op, btrfs_stripe_nr_to_offset(io_geom.stripe_nr * nr_data_stripes(map)); for (int i = 0; i < io_geom.num_stripes; i++) { - ret = set_io_stripe(fs_info, op, logical, length, - &bioc->stripes[i], map, - (i + io_geom.stripe_nr) % io_geom.num_stripes, - io_geom.stripe_offset, - io_geom.stripe_nr); - if (ret < 0) - break; + struct btrfs_io_stripe *dst = &bioc->stripes[i]; + u32 stripe_index; + + stripe_index = (i + io_geom.stripe_nr) % io_geom.num_stripes; + dst->dev = map->stripes[stripe_index].dev; + dst->physical = + map->stripes[stripe_index].physical + + io_geom.stripe_offset + + btrfs_stripe_nr_to_offset(io_geom.stripe_nr); } } else { /* |