GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

btrfs: rename delete_unused_bgs_mutex to reclaim_bgs_lock

Browse source 
As a preparation for extending the block group deletion use case, rename
the unused_bgs_mutex to reclaim_bgs_lock.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2021-04-19 16:41:01 +09:00 • committed by David Sterba
parent 01e86008aa
commit f33720657d
4 changed files with 31 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

6
fs/btrfs/disk-io.c
View file

@ -1890,10 +1890,10 @@ static int cleaner_kthread(void *arg)
btrfs_run_defrag_inodes(fs_info);
/*
* Acquires fs_info->delete_unused_bgs_mutex to avoid racing
* Acquires fs_info->reclaim_bgs_lock to avoid racing
* with relocation (btrfs_relocate_chunk) and relocation
* acquires fs_info->cleaner_mutex (btrfs_relocate_block_group)
* after acquiring fs_info->delete_unused_bgs_mutex. So we
* after acquiring fs_info->reclaim_bgs_lock. So we
* can't hold, nor need to, fs_info->cleaner_mutex when deleting
* unused block groups.
*/
@ -2876,7 +2876,7 @@ void btrfs_init_fs_info(struct btrfs_fs_info *fs_info)
spin_lock_init(&fs_info->treelog_bg_lock);
rwlock_init(&fs_info->tree_mod_log_lock);
mutex_init(&fs_info->unused_bg_unpin_mutex);
mutex_init(&fs_info->delete_unused_bgs_mutex);
mutex_init(&fs_info->reclaim_bgs_lock);
mutex_init(&fs_info->reloc_mutex);
mutex_init(&fs_info->delalloc_root_mutex);
mutex_init(&fs_info->zoned_meta_io_lock);