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authorIlya Dryomov <idryomov@gmail.com>2012-03-27 17:09:16 +0300
committerIlya Dryomov <idryomov@gmail.com>2012-03-27 17:09:16 +0300
commit899c81eac890bcfa5f3636f4c43f68e8393ac1f8 (patch)
treef2a202c25edd6a58a4c0018db03617b6b0c46fc8 /fs/btrfs/volumes.c
parente3176ca2769e420f64eba4b093bbddea6d7a89c3 (diff)
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/volumes.c')
-rw-r--r--fs/btrfs/volumes.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 58aad63e1ad..4b263a2009b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2250,15 +2250,13 @@ static void unset_balance_control(struct btrfs_fs_info *fs_info)
* Balance filters. Return 1 if chunk should be filtered out
* (should not be balanced).
*/
-static int chunk_profiles_filter(u64 chunk_profile,
+static int chunk_profiles_filter(u64 chunk_type,
struct btrfs_balance_args *bargs)
{
- chunk_profile &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
+ chunk_type = chunk_to_extended(chunk_type) &
+ BTRFS_EXTENDED_PROFILE_MASK;
- if (chunk_profile == 0)
- chunk_profile = BTRFS_AVAIL_ALLOC_BIT_SINGLE;
-
- if (bargs->profiles & chunk_profile)
+ if (bargs->profiles & chunk_type)
return 0;
return 1;
@@ -2365,18 +2363,16 @@ static int chunk_vrange_filter(struct extent_buffer *leaf,
return 1;
}
-static int chunk_soft_convert_filter(u64 chunk_profile,
+static int chunk_soft_convert_filter(u64 chunk_type,
struct btrfs_balance_args *bargs)
{
if (!(bargs->flags & BTRFS_BALANCE_ARGS_CONVERT))
return 0;
- chunk_profile &= BTRFS_BLOCK_GROUP_PROFILE_MASK;
-
- if (chunk_profile == 0)
- chunk_profile = BTRFS_AVAIL_ALLOC_BIT_SINGLE;
+ chunk_type = chunk_to_extended(chunk_type) &
+ BTRFS_EXTENDED_PROFILE_MASK;
- if (bargs->target & chunk_profile)
+ if (bargs->target == chunk_type)
return 1;
return 0;