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Commit 2ceeae2e authored by David Sterba's avatar David Sterba
Browse files

btrfs: get fs_info from block group in btrfs_find_space_cluster 



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

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 6701bdb3

fs/btrfs/extent-tree.c

+2 −4
Original line number Diff line number Diff line
@@ -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 @@ static int find_free_extent_clustered(struct btrfs_block_group_cache *bg, 
	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,

fs/btrfs/free-space-cache.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

fs/btrfs/free-space-cache.h

+1 −2
Original line number Diff line number Diff line
@@ -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);