We replay the log into arbitrary fs roots, hold a ref on the root while
we're doing this.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
tmp_key.offset = (u64)-1;
wc.replay_dest = btrfs_get_fs_root(fs_info, &tmp_key, true);
+ if (!IS_ERR(wc.replay_dest)) {
+ if (!btrfs_grab_fs_root(wc.replay_dest))
+ wc.replay_dest = ERR_PTR(-ENOENT);
+ }
if (IS_ERR(wc.replay_dest)) {
ret = PTR_ERR(wc.replay_dest);
}
wc.replay_dest->log_root = NULL;
+ btrfs_put_fs_root(wc.replay_dest);
free_extent_buffer(log->node);
free_extent_buffer(log->commit_root);
kfree(log);