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authorJosef Bacik <josef@toxicpanda.com>2022-07-15 15:45:25 -0400
committerDavid Sterba <dsterba@suse.com>2022-09-26 12:27:54 +0200
commit9283b9e09a6d4c0150c33b5674d5071234218c99 (patch)
tree03cf1e7cc25df6d5bbf8369c9af4fd2c410e811a /fs/btrfs/volumes.c
parent3349b57fd47b5de10936bd8928db546b20c9fb91 (diff)
downloadlinux-9283b9e09a6d4c0150c33b5674d5071234218c99.tar.bz2
btrfs: remove lock protection for BLOCK_GROUP_FLAG_TO_COPY
We use this during device replace for zoned devices, we were simply taking the lock because it was in a bit field and we needed the lock to be safe with other modifications in the bitfield. With the bit helpers we no longer require that locking. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index fcde4f085cb6..4d03d2f47dc3 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6153,9 +6153,7 @@ static bool is_block_group_to_copy(struct btrfs_fs_info *fs_info, u64 logical)
cache = btrfs_lookup_block_group(fs_info, logical);
- spin_lock(&cache->lock);
ret = test_bit(BLOCK_GROUP_FLAG_TO_COPY, &cache->runtime_flags);
- spin_unlock(&cache->lock);
btrfs_put_block_group(cache);
return ret;