diff mbox

Bug in the design of the tree search ioctl API ? [was Re: [PATCH 1/3] Btrfs: Really return keys within specified range]

Message ID 4D08370D.6020705@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Li Zefan Dec. 15, 2010, 3:33 a.m. UTC 
None
diff mbox

Patch

diff --git a/btrfs-list.c b/btrfs-list.c
index 93766a8..1b9ea45 100644
--- a/btrfs-list.c
+++ b/btrfs-list.c
@@ -620,7 +620,10 @@  int list_subvols(int fd)
 		/* this iteration is done, step forward one root for the next
 		 * ioctl
 		 */
-		if (sk->min_objectid < (u64)-1) {
+		if (sk->min_type < BTRFS_ROOT_BACKREF_KEY) {
+			sk->min_type = BTRFS_ROOT_BACKREF_KEY;
+			sk->min_offset = 0;
+		} else  if (sk->min_objectid < (u64)-1) {
 			sk->min_objectid++;
 			sk->min_type = BTRFS_ROOT_BACKREF_KEY;
 			sk->min_offset = 0;