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Rework btrfs_drop_inode to avoid scheduling

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-01-15 08:40:48 -05:00
parent 61295eb866
commit cee36a03e8
6 changed files with 44 additions and 10 deletions
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36
fs/btrfs/ordered-data.c
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@ -219,3 +219,39 @@ int btrfs_find_del_first_ordered_inode(struct btrfs_ordered_inode_tree *tree,
kfree(entry);
return 1;
}
static int __btrfs_del_ordered_inode(struct btrfs_ordered_inode_tree *tree,
u64 root_objectid, u64 objectid)
{
struct tree_entry *entry;
struct rb_node *node;
struct rb_node *prev;
write_lock(&tree->lock);
node = __tree_search(&tree->tree, root_objectid, objectid, &prev);
if (!node) {
write_unlock(&tree->lock);
return 0;
}
rb_erase(node, &tree->tree);
write_unlock(&tree->lock);
entry = rb_entry(node, struct tree_entry, rb_node);
kfree(entry);
return 1;
}
int btrfs_del_ordered_inode(struct inode *inode)
{
struct btrfs_root *root = BTRFS_I(inode)->root;
u64 root_objectid = root->root_key.objectid;
spin_lock(&root->fs_info->new_trans_lock);
if (root->fs_info->running_transaction) {
struct btrfs_ordered_inode_tree *tree;
tree = &root->fs_info->running_transaction->ordered_inode_tree;
__btrfs_del_ordered_inode(tree, root_objectid, inode->i_ino);
}
spin_unlock(&root->fs_info->new_trans_lock);
return 0;
}