Commit 1a1b0e72 authored by David Sterba's avatar David Sterba
Browse files

btrfs: add block-group tree to lockdep classes 



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: default avatarDavid Sterba <dsterba@suse.com>
parent 7027f871

fs/btrfs/locking.c

+3 −2
Original line number Diff line number Diff line
@@ -57,8 +57,8 @@ 


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")	},
@@ -72,6 +72,7 @@ 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")	},

};