diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2024-01-02 15:18:07 -0500 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2024-03-04 16:24:45 +0100 |
| commit | 8fd2b12e6a414b383692c7f5ca05ab75204bdece (patch) | |
| tree | 82396854d1f8c633cf43fc80c5dea18ff1656e31 | |
| parent | 592a0ce9e2d928f6cba285e1d59ca89ce7f7c88e (diff) | |
btrfs: WARN_ON_ONCE() in our leak detection code
fstests looks for WARN_ON's in dmesg. Add WARN_ON_ONCE() to our leak
detection code (enabled only in debug builds) so that fstests will fail
if these things trip at all. This will allow us to easily catch
problems with our reference counting that may otherwise go unnoticed.
Reviewed-by: Neal Gompa <neal@gompa.dev>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/disk-io.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/extent-io-tree.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index f405cc278861..bcd35be4b841 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1244,6 +1244,7 @@ void btrfs_check_leaked_roots(struct btrfs_fs_info *fs_info) btrfs_err(fs_info, "leaked root %s refcount %d", btrfs_root_name(&root->root_key, buf), refcount_read(&root->refs)); + WARN_ON_ONCE(1); while (refcount_read(&root->refs) > 1) btrfs_put_root(root); btrfs_put_root(root); diff --git a/fs/btrfs/extent-io-tree.c b/fs/btrfs/extent-io-tree.c index e3ee5449cc4a..1544e7b1eaed 100644 --- a/fs/btrfs/extent-io-tree.c +++ b/fs/btrfs/extent-io-tree.c @@ -48,6 +48,7 @@ static inline void btrfs_extent_state_leak_debug_check(void) extent_state_in_tree(state), refcount_read(&state->refs)); list_del(&state->leak_list); + WARN_ON_ONCE(1); kmem_cache_free(extent_state_cache, state); } } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index a8c8b9d8c400..b542bd1816df 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -82,6 +82,7 @@ void btrfs_extent_buffer_leak_debug_check(struct btrfs_fs_info *fs_info) eb->start, eb->len, atomic_read(&eb->refs), eb->bflags, btrfs_header_owner(eb)); list_del(&eb->leak_list); + WARN_ON_ONCE(1); kmem_cache_free(extent_buffer_cache, eb); } spin_unlock_irqrestore(&fs_info->eb_leak_lock, flags); |