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btrfs: assert nowait mode is not used for some btree search functions

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Adds nowait asserts to btree search functions which are not used by
buffered IO and direct IO paths.

Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Stefan Roesch <shr@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Stefan Roesch 2022-09-12 12:27:51 -07:00 committed by David Sterba
parent 965f47aeb5
commit c922b016f3
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/ctree.c
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@ -2164,6 +2164,7 @@ int btrfs_search_old_slot(struct btrfs_root *root, const struct btrfs_key *key,
lowest_level = p->lowest_level;
WARN_ON(p->nodes[0] != NULL);
ASSERT(!p->nowait);
if (p->search_commit_root) {
BUG_ON(time_seq);
@ -4465,6 +4466,7 @@ int btrfs_search_forward(struct btrfs_root *root, struct btrfs_key *min_key,
int ret = 1;
int keep_locks = path->keep_locks;
ASSERT(!path->nowait);
path->keep_locks = 1;
again:
cur = btrfs_read_lock_root_node(root);
@ -4645,6 +4647,8 @@ int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path,
int ret;
int i;
ASSERT(!path->nowait);
nritems = btrfs_header_nritems(path->nodes[0]);
if (nritems == 0)
return 1;