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Commit 54641bd1 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Force caching of metadata block groups on mount to avoid deadlock 



This is a temporary change to avoid deadlocks until the extent tree locking
is fixed up.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 0bd40a71

fs/btrfs/extent-tree.c

+5 −0
Original line number Diff line number Diff line
@@ -3333,6 +3333,11 @@ int btrfs_read_block_groups(struct btrfs_root *root) 
		set_state_private(block_group_cache, found_key.objectid,

				  (unsigned long)cache);



		/* hack for now */

		if (cache->flags & BTRFS_BLOCK_GROUP_METADATA) {

			cache_block_group(root->fs_info->extent_root,

					  cache);

		}

		if (key.objectid >=

		    btrfs_super_total_bytes(&info->super_copy))

			break;