Commit dba72cb3 authored Nov 17, 2015 by Holger Hoffstätte Committed by Chris Mason Nov 25, 2015

btrfs: fix balance range usage filters in 4.4-rc



There's a regression in 4.4-rc since commit bc309467
(btrfs: extend balance filter usage to take minimum and maximum) in that
existing (non-ranged) balance with -dusage=x no longer works; all chunks
are skipped.

After staring at the code for a while and wondering why a non-ranged
balance would even need min and max thresholds (..which then were not
set correctly, leading to the bug) I realized that the only problem
was the fact that the filter functions were named wrong, thanks to
patching copypasta. Simply renaming both functions lets the existing
btrfs-progs call balance with -dusage=x and now the non-ranged filter
function is invoked, properly using only a single chunk limit.

Signed-off-by: Holger Hoffstätte <holger.hoffstaette@googlemail.com>
Fixes: bc309467 ("btrfs: extend balance filter usage to take minimum and maximum")
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>

parent 82bd101b

fs/btrfs/volumes.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -3122,7 +3122,7 @@ static int chunk_profiles_filter(u64 chunk_type,
		return 1;
		}

		static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
		static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
		struct btrfs_balance_args *bargs)
		{
		struct btrfs_block_group_cache *cache;
		@@ -3155,7 +3155,7 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
		return ret;
		}

		static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info,
		static int chunk_usage_filter(struct btrfs_fs_info *fs_info,
		u64 chunk_offset, struct btrfs_balance_args *bargs)
		{
		struct btrfs_block_group_cache *cache;