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| author | Ilya Dryomov <idryomov@gmail.com> | 2012-03-27 17:09:16 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2012-03-27 17:09:16 +0300 |
| commit | 899c81eac890bcfa5f3636f4c43f68e8393ac1f8 (patch) | |
| tree | f2a202c25edd6a58a4c0018db03617b6b0c46fc8 /fs/btrfs/extent-tree.c | |
| parent | e3176ca2769e420f64eba4b093bbddea6d7a89c3 (diff) | |
| download | linux-next-899c81eac890bcfa5f3636f4c43f68e8393ac1f8.tar.gz | |
Btrfs: add wrappers for working with alloc profiles
Add functions to abstract the conversion between chunk and extended
allocation profile formats and switch everybody to use them.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4269777f185e..9f16fdb463c7 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3098,11 +3098,8 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags, static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags) { - u64 extra_flags = flags & BTRFS_BLOCK_GROUP_PROFILE_MASK; - - /* chunk -> extended profile */ - if (extra_flags == 0) - extra_flags = BTRFS_AVAIL_ALLOC_BIT_SINGLE; + u64 extra_flags = chunk_to_extended(flags) & + BTRFS_EXTENDED_PROFILE_MASK; if (flags & BTRFS_BLOCK_GROUP_DATA) fs_info->avail_data_alloc_bits |= extra_flags; @@ -3181,9 +3178,7 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags) } out: - /* extended -> chunk profile */ - flags &= ~BTRFS_AVAIL_ALLOC_BIT_SINGLE; - return flags; + return extended_to_chunk(flags); } static u64 get_alloc_profile(struct btrfs_root *root, u64 flags) @@ -6914,11 +6909,8 @@ static u64 update_block_group_flags(struct btrfs_root *root, u64 flags) tgt = BTRFS_BLOCK_GROUP_METADATA | bctl->meta.target; } - if (tgt) { - /* extended -> chunk profile */ - tgt &= ~BTRFS_AVAIL_ALLOC_BIT_SINGLE; - return tgt; - } + if (tgt) + return extended_to_chunk(tgt); } /* @@ -7597,11 +7589,8 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, static void clear_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags) { - u64 extra_flags = flags & BTRFS_BLOCK_GROUP_PROFILE_MASK; - - /* chunk -> extended profile */ - if (extra_flags == 0) - extra_flags = BTRFS_AVAIL_ALLOC_BIT_SINGLE; + u64 extra_flags = chunk_to_extended(flags) & + BTRFS_EXTENDED_PROFILE_MASK; if (flags & BTRFS_BLOCK_GROUP_DATA) fs_info->avail_data_alloc_bits &= ~extra_flags; |