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Btrfs: get rid of *_alloc_profile fields

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{data,metadata,system}_alloc_profile fields have been unused for a long
time now.  Get rid of them.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2012-01-16 22:04:47 +02:00
parent 08c422c27f
commit 6fef8df1dc
4 changed files with 6 additions and 16 deletions
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3
fs/btrfs/ctree.h
View File

@ -1135,9 +1135,6 @@ struct btrfs_fs_info {
u64 avail_data_alloc_bits;
u64 avail_metadata_alloc_bits;
u64 avail_system_alloc_bits;
u64 data_alloc_profile;
u64 metadata_alloc_profile;
u64 system_alloc_profile;
unsigned data_chunk_allocations;
unsigned metadata_ratio;

3
fs/btrfs/disk-io.c
View File

@ -2321,9 +2321,6 @@ retry_root_backup:
fs_info->generation = generation;
fs_info->last_trans_committed = generation;
fs_info->data_alloc_profile = (u64)-1;
fs_info->metadata_alloc_profile = (u64)-1;
fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
ret = btrfs_init_space_info(fs_info);
if (ret) {

10
fs/btrfs/extent-tree.c
View File

@ -3067,14 +3067,12 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)
static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
{
if (flags & BTRFS_BLOCK_GROUP_DATA)
flags |= root->fs_info->avail_data_alloc_bits &
root->fs_info->data_alloc_profile;
flags |= root->fs_info->avail_data_alloc_bits;
else if (flags & BTRFS_BLOCK_GROUP_SYSTEM)
flags |= root->fs_info->avail_system_alloc_bits &
root->fs_info->system_alloc_profile;
flags |= root->fs_info->avail_system_alloc_bits;
else if (flags & BTRFS_BLOCK_GROUP_METADATA)
flags |= root->fs_info->avail_metadata_alloc_bits &
root->fs_info->metadata_alloc_profile;
flags |= root->fs_info->avail_metadata_alloc_bits;
return btrfs_reduce_alloc_profile(root, flags);
}

6
fs/btrfs/volumes.c
View File

@ -2752,8 +2752,7 @@ static noinline int init_first_rw_device(struct btrfs_trans_handle *trans,
return ret;
alloc_profile = BTRFS_BLOCK_GROUP_METADATA |
(fs_info->metadata_alloc_profile &
fs_info->avail_metadata_alloc_bits);
fs_info->avail_metadata_alloc_bits;
alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
ret = __btrfs_alloc_chunk(trans, extent_root, &map, &chunk_size,
@ -2763,8 +2762,7 @@ static noinline int init_first_rw_device(struct btrfs_trans_handle *trans,
sys_chunk_offset = chunk_offset + chunk_size;
alloc_profile = BTRFS_BLOCK_GROUP_SYSTEM |
(fs_info->system_alloc_profile &
fs_info->avail_system_alloc_bits);
fs_info->avail_system_alloc_bits;
alloc_profile = btrfs_reduce_alloc_profile(root, alloc_profile);
ret = __btrfs_alloc_chunk(trans, extent_root, &sys_map,