提交 f75b130e 编写于 作者: J Josef Bacik

Btrfs: don't skip writing out a empty block groups cache

I noticed a slight bug where we will not bother writing out the block group
cache's space cache if it's space tree is empty.  Since it could have a cluster
or pinned extents that need to be written out this is just not a valid test.
Thanks,
Signed-off-by: NJosef Bacik <josef@redhat.com>
上级 73bc1876
......@@ -575,10 +575,6 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
INIT_LIST_HEAD(&bitmap_list);
node = rb_first(&ctl->free_space_offset);
if (!node)
return -1;
if (!i_size_read(inode))
return -1;
......@@ -639,6 +635,12 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
if (block_group)
start = block_group->key.objectid;
node = rb_first(&ctl->free_space_offset);
if (!node && cluster) {
node = rb_first(&cluster->root);
cluster = NULL;
}
/* Write out the extent entries */
do {
struct btrfs_free_space_entry *entry;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册