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btrfs: Remove fs_info from btrfs_alloc_chunk 

It can be referenced from trans since the function is always called
within a transaction.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-06-20 15:49:06 +03:00 committed by David Sterba
parent 01458828bb
commit c216b2039a
3 changed files with 6 additions and 8 deletions
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4
fs/btrfs/extent-tree.c
View File

@ -4568,7 +4568,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans,
* the paths we visit in the chunk tree (they were already COWed
* or created in the current transaction for example).
*/
ret = btrfs_alloc_chunk(trans, fs_info, flags);
ret = btrfs_alloc_chunk(trans, flags);
}
if (!ret) {
@ -4670,7 +4670,7 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
*/
check_system_chunk(trans, fs_info, flags);
ret = btrfs_alloc_chunk(trans, fs_info, flags);
ret = btrfs_alloc_chunk(trans, flags);
trans->allocating_chunk = false;
spin_lock(&space_info->lock);

7
fs/btrfs/volumes.c
View File

@ -5038,13 +5038,12 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
* require modifying the chunk tree. This division is important for the
* bootstrap process of adding storage to a seed btrfs.
*/
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 type)
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 type)
{
u64 chunk_offset;
lockdep_assert_held(&fs_info->chunk_mutex);
chunk_offset = find_next_chunk(fs_info);
lockdep_assert_held(&trans->fs_info->chunk_mutex);
chunk_offset = find_next_chunk(trans->fs_info);
return __btrfs_alloc_chunk(trans, chunk_offset, type);
}

3
fs/btrfs/volumes.h
View File

@ -396,8 +396,7 @@ int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start,
u64 physical, u64 **logical, int *naddrs, int *stripe_len);
int btrfs_read_sys_array(struct btrfs_fs_info *fs_info);
int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info);
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 type);
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 type);
void btrfs_mapping_init(struct btrfs_mapping_tree *tree);
void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree);
blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,