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btrfs: get fs_info from block group in btrfs_find_space_cluster

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We can read fs_info from the block group cache structure and can drop it
from the parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-20 13:53:49 +01:00
parent 6701bdb39c
commit 2ceeae2e4c
3 changed files with 5 additions and 8 deletions
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6
fs/btrfs/extent-tree.c
View File

@ -7470,7 +7470,6 @@ static int find_free_extent_clustered(struct btrfs_block_group_cache *bg,
struct find_free_extent_ctl *ffe_ctl,
struct btrfs_block_group_cache **cluster_bg_ret)
{
struct btrfs_fs_info *fs_info = bg->fs_info;
struct btrfs_block_group_cache *cluster_bg;
u64 aligned_cluster;
u64 offset;
@ -7530,9 +7529,8 @@ refill_cluster:
aligned_cluster = max_t(u64,
ffe_ctl->empty_cluster + ffe_ctl->empty_size,
bg->full_stripe_len);
ret = btrfs_find_space_cluster(fs_info, bg, last_ptr,
ffe_ctl->search_start, ffe_ctl->num_bytes,
aligned_cluster);
ret = btrfs_find_space_cluster(bg, last_ptr, ffe_ctl->search_start,
ffe_ctl->num_bytes, aligned_cluster);
if (ret == 0) {
/* Now pull our allocation out of this cluster */
offset = btrfs_alloc_from_cluster(bg, last_ptr,

4
fs/btrfs/free-space-cache.c
View File

@ -3037,11 +3037,11 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
* returns zero and sets up cluster if things worked out, otherwise
* it returns -enospc
*/
int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
int btrfs_find_space_cluster(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size)
{
struct btrfs_fs_info *fs_info = block_group->fs_info;
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *entry, *tmp;
LIST_HEAD(bitmaps);

3
fs/btrfs/free-space-cache.h
View File

@ -92,8 +92,7 @@ u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group,
u64 btrfs_find_ino_for_alloc(struct btrfs_root *fs_root);
void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group,
u64 bytes);
int btrfs_find_space_cluster(struct btrfs_fs_info *fs_info,
struct btrfs_block_group_cache *block_group,
int btrfs_find_space_cluster(struct btrfs_block_group_cache *block_group,
struct btrfs_free_cluster *cluster,
u64 offset, u64 bytes, u64 empty_size);
void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster);