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btrfs: add block-group tree to lockdep classes 

commit 1a1b0e729d upstream.

The block group tree was not present among the lockdep classes. We could
get potentially lockdep warnings but so far none has been seen, also
because block-group-tree is a relatively new feature.

CC: stable@vger.kernel.org # 6.1+
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/1175/head
David Sterba 2023-06-01 00:33:01 +02:00 committed by Greg Kroah-Hartman
parent 3702c5342c
commit d9f1e518ab
1 changed files with 3 additions and 2 deletions
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5
fs/btrfs/locking.c
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@ -56,8 +56,8 @@
static struct btrfs_lockdep_keyset {
u64 id; /* root objectid */
/* Longest entry: btrfs-free-space-00 */
char names[BTRFS_MAX_LEVEL][20];
/* Longest entry: btrfs-block-group-00 */
char names[BTRFS_MAX_LEVEL][24];
struct lock_class_key keys[BTRFS_MAX_LEVEL];
} btrfs_lockdep_keysets[] = {
{ .id = BTRFS_ROOT_TREE_OBJECTID, DEFINE_NAME("root") },
@ -71,6 +71,7 @@ static struct btrfs_lockdep_keyset {
{ .id = BTRFS_DATA_RELOC_TREE_OBJECTID, DEFINE_NAME("dreloc") },
{ .id = BTRFS_UUID_TREE_OBJECTID, DEFINE_NAME("uuid") },
{ .id = BTRFS_FREE_SPACE_TREE_OBJECTID, DEFINE_NAME("free-space") },
{ .id = BTRFS_BLOCK_GROUP_TREE_OBJECTID, DEFINE_NAME("block-group") },
{ .id = 0, DEFINE_NAME("tree") },
};