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Btrfs: add wrappers for working with alloc profiles

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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>
This commit is contained in:
Ilya Dryomov
2012-03-27 17:09:16 +03:00
parent e3176ca276
commit 899c81eac8
3 changed files with 30 additions and 30 deletions
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20
fs/btrfs/volumes.c
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@@ -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;
chunk_type = chunk_to_extended(chunk_type) &
BTRFS_EXTENDED_PROFILE_MASK;
if (chunk_profile == 0)
chunk_profile = BTRFS_AVAIL_ALLOC_BIT_SINGLE;
if (bargs->target & chunk_profile)
if (bargs->target == chunk_type)
return 1;
return 0;