From: Filipe Manana <fdmanana@suse.com>
Date: Mon, 5 May 2025 15:36:21 +0000 (+0100)
Subject: btrfs: use verbose assert at peek_discard_list()
X-Git-Tag: v6.16-rc1~214^2~25
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1886b77f5bf1f463663aea0cb94980a0d3e35298;p=thirdparty%2Flinux.git

btrfs: use verbose assert at peek_discard_list()

We now have a verbose variant of ASSERT() so that we can print the value
of the block group's discard_index. So use it for better problem analysis
in case the assertion is triggered.

Reviewed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Daniel Vacek <neelx@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/discard.c b/fs/btrfs/discard.c
index de23c4b3515e5..89fe85778115a 100644
--- a/fs/btrfs/discard.c
+++ b/fs/btrfs/discard.c
@@ -256,7 +256,9 @@ again:
 				 * the discard lists.
 				 */
 				ASSERT(block_group->discard_index !=
-				       BTRFS_DISCARD_INDEX_UNUSED);
+				       BTRFS_DISCARD_INDEX_UNUSED,
+				       "discard_index=%d",
+				       block_group->discard_index);
 			} else {
 				list_del_init(&block_group->discard_list);
 				btrfs_put_block_group(block_group);