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btrfs: replace BUG_ON with ASSERT in walk_down_proc()

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[ Upstream commit 1f9d44c0a1 ]

We have a couple of areas where we check to make sure the tree block is
locked before looking up or messing with references.  This is old code
so it has this as BUG_ON().  Convert this to ASSERT() for developers.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Josef Bacik 2024-05-07 14:12:12 -04:00 committed by Greg Kroah-Hartman
parent 951b696db1
commit e7469c65b3
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/extent-tree.c
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@ -5144,7 +5144,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
if (lookup_info &&
((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) ||
(wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) {
BUG_ON(!path->locks[level]);
ASSERT(path->locks[level]);
ret = btrfs_lookup_extent_info(trans, fs_info,
eb->start, level, 1,
&wc->refs[level],
@ -5168,7 +5168,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
/* wc->stage == UPDATE_BACKREF */
if (!(wc->flags[level] & flag)) {
BUG_ON(!path->locks[level]);
ASSERT(path->locks[level]);
ret = btrfs_inc_ref(trans, root, eb, 1);
BUG_ON(ret); /* -ENOMEM */
ret = btrfs_dec_ref(trans, root, eb, 0);