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authorChris Mason <chris.mason@oracle.com>2008-07-17 12:54:48 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:05 -0400
commit54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076 (patch)
tree43e33d13697fb6decb2e460908833da0b92befb3 /fs/btrfs
parent0bd40a718444b28793283b70286f9e29d464a189 (diff)
downloadop-kernel-dev-54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076.zip
op-kernel-dev-54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076.tar.gz
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: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/extent-tree.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4036c62b..be2aef1 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -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;
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