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Btrfs: Let some locks go during defrag and snapshot dropping

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-08-08 10:08:58 -04:00
committed by David Woodhouse
parent 37fa704640
commit f4468e94c8
3 changed files with 14 additions and 4 deletions
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8
fs/btrfs/transaction.c
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@@ -354,6 +354,7 @@ int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info)
mutex_unlock(&info->fs_mutex);
btrfs_btree_balance_dirty(root);
cond_resched();
mutex_lock(&info->fs_mutex);
trans = btrfs_start_transaction(tree_root, 1);
@@ -394,6 +395,12 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
ret = err;
ret = btrfs_end_transaction(trans, tree_root);
BUG_ON(ret);
mutex_unlock(&tree_root->fs_info->fs_mutex);
btrfs_btree_balance_dirty(tree_root);
schedule();
mutex_lock(&tree_root->fs_info->fs_mutex);
}
BUG_ON(ret);
ret = btrfs_del_root(trans, tree_root, &dirty->root->root_key);
@@ -406,6 +413,7 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
kfree(dirty);
mutex_unlock(&tree_root->fs_info->fs_mutex);
btrfs_btree_balance_dirty(tree_root);
schedule();
}
return ret;
}