diff options
| author | Leo Martins <loemra.dev@gmail.com> | 2025-08-12 16:04:40 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2025-09-22 10:54:32 +0200 |
| commit | b767a28d6154986929a2231d48b637b18b2aabb3 (patch) | |
| tree | 5507696230f9ce67942bcb817658672996b8268c /fs/btrfs | |
| parent | e8513c012de75fd65e2df5499572bc6ef3f6e409 (diff) | |
btrfs: print leaked references in kill_all_delayed_nodes()
We are seeing soft lockups in kill_all_delayed_nodes due to a
delayed_node with a lingering reference count of 1. Printing at this
point will reveal the guilty stack trace. If the delayed_node has no
references there should be no output.
Signed-off-by: Leo Martins <loemra.dev@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/delayed-inode.c | 1 | ||||
| -rw-r--r-- | fs/btrfs/delayed-inode.h | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 364814642a91..6adfe62cd0c4 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -2112,6 +2112,7 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root) __btrfs_kill_delayed_node(delayed_nodes[i]); btrfs_release_delayed_node(delayed_nodes[i], &delayed_node_trackers[i]); + btrfs_delayed_node_ref_tracker_dir_print(delayed_nodes[i]); } } } diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h index 93149c32d3fa..7f2db9905aea 100644 --- a/fs/btrfs/delayed-inode.h +++ b/fs/btrfs/delayed-inode.h @@ -208,6 +208,12 @@ static inline void btrfs_delayed_node_ref_tracker_dir_exit(struct btrfs_delayed_ ref_tracker_dir_exit(&node->ref_dir.dir); } +static inline void btrfs_delayed_node_ref_tracker_dir_print(struct btrfs_delayed_node *node) +{ + ref_tracker_dir_print(&node->ref_dir.dir, + BTRFS_DELAYED_NODE_REF_TRACKER_DISPLAY_LIMIT); +} + static inline int btrfs_delayed_node_ref_tracker_alloc(struct btrfs_delayed_node *node, struct btrfs_ref_tracker *tracker, gfp_t gfp) @@ -225,6 +231,8 @@ static inline void btrfs_delayed_node_ref_tracker_dir_init(struct btrfs_delayed_ static inline void btrfs_delayed_node_ref_tracker_dir_exit(struct btrfs_delayed_node *node) { } +static inline void btrfs_delayed_node_ref_tracker_dir_print(struct btrfs_delayed_node *node) { } + static inline int btrfs_delayed_node_ref_tracker_alloc(struct btrfs_delayed_node *node, struct btrfs_ref_tracker *tracker, gfp_t gfp) |