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| author | Chris Mason <chris.mason@oracle.com> | 2008-07-17 18:54:48 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 17:04:05 +0200 |
| commit | 54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076 (patch) | |
| tree | 43e33d13697fb6decb2e460908833da0b92befb3 | |
| parent | btrfs_next_leaf: do readahead when skip_locking is turned on (diff) | |
| download | linux-54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076.tar.xz linux-54641bd17db9fbfc13c7b1d4ee0dd2713bf3e076.zip | |
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>
| -rw-r--r-- | fs/btrfs/extent-tree.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4036c62b6671..be2aef1cb7ae 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; |