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| author | Ilya Dryomov <idryomov@gmail.com> | 2012-01-16 22:04:47 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2012-01-16 22:04:47 +0200 |
| commit | 52ba692972532f8d652080214b6599ece3dd51b9 (patch) | |
| tree | d4c60bad0a7813d964988c7c40aeceadfb54cc1d /fs/btrfs/volumes.c | |
| parent | 6fef8df1dcb9b586268caff66df1d71ce8610132 (diff) | |
| download | blackbird-op-linux-52ba692972532f8d652080214b6599ece3dd51b9.tar.gz blackbird-op-linux-52ba692972532f8d652080214b6599ece3dd51b9.zip | |
Btrfs: introduce masks for chunk type and profile
Chunk's type and profile are encoded in u64 flags field. Introduce
masks to easily access them. Also fix the type of BTRFS_BLOCK_GROUP_*
constants, it should be ULL.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 89096f6d6fb4..d5fdee56777f 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2949,12 +2949,8 @@ again: } } if (rw & REQ_DISCARD) { - if (map->type & (BTRFS_BLOCK_GROUP_RAID0 | - BTRFS_BLOCK_GROUP_RAID1 | - BTRFS_BLOCK_GROUP_DUP | - BTRFS_BLOCK_GROUP_RAID10)) { + if (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) stripes_required = map->num_stripes; - } } if (bbio_ret && (rw & (REQ_WRITE | REQ_DISCARD)) && stripes_allocated < stripes_required) { @@ -2978,10 +2974,7 @@ again: if (rw & REQ_DISCARD) *length = min_t(u64, em->len - offset, *length); - else if (map->type & (BTRFS_BLOCK_GROUP_RAID0 | - BTRFS_BLOCK_GROUP_RAID1 | - BTRFS_BLOCK_GROUP_RAID10 | - BTRFS_BLOCK_GROUP_DUP)) { + else if (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) { /* we limit the length of each bio to what fits in a stripe */ *length = min_t(u64, em->len - offset, map->stripe_len - stripe_offset); |
