mirrors/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2025-11-04 02:30:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
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
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
fs/btrfs/ctree.c
View file

@ -2164,6 +2164,7 @@ int btrfs_search_old_slot(struct btrfs_root *root, const struct btrfs_key *key,
lowest_level = p->lowest_level; lowest_level = p->lowest_level;
WARN_ON(p->nodes[0] != NULL); WARN_ON(p->nodes[0] != NULL);
ASSERT(!p->nowait);
if (p->search_commit_root) { if (p->search_commit_root) {
BUG_ON(time_seq); 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 ret = 1;
int keep_locks = path->keep_locks; int keep_locks = path->keep_locks;
ASSERT(!path->nowait);
path->keep_locks = 1; path->keep_locks = 1;
again: again:
cur = btrfs_read_lock_root_node(root); 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 ret;
int i; int i;
ASSERT(!path->nowait);
nritems = btrfs_header_nritems(path->nodes[0]); nritems = btrfs_header_nritems(path->nodes[0]);
if (nritems == 0) if (nritems == 0)
return 1; return 1;