diff options
| author | Filipe Manana <fdmanana@suse.com> | 2026-05-11 16:05:13 +0100 |
|---|---|---|
| committer | Filipe Manana <fdmanana@suse.com> | 2026-06-09 11:49:24 +0100 |
| commit | e1443032400a7e9d205c75730e8035e2db779231 (patch) | |
| tree | f959e01ae9d021b8b0dfb58d4357a833efa9fd94 | |
| parent | bc620c48b51ef18ce9331ec0cc4301d3dc059ff3 (diff) | |
btrfs: tracepoints: add trace event for btrfs_record_snapshot_destroy()
btrfs_record_snapshot_destroy() is an important operation that affects
inode logging and is called during subvolume/snapshot deletion as well as
during rmdir. Add a trace event for it to help debug issues.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/tree-log.c | 2 | ||||
| -rw-r--r-- | include/trace/events/btrfs.h | 25 |
2 files changed, 27 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 627705faa851..7f014e6be4b7 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -8002,6 +8002,8 @@ void btrfs_record_unlink_dir(struct btrfs_trans_handle *trans, void btrfs_record_snapshot_destroy(struct btrfs_trans_handle *trans, struct btrfs_inode *dir) { + trace_btrfs_record_snapshot_destroy(trans, dir); + mutex_lock(&dir->log_mutex); dir->last_unlink_trans = trans->transid; mutex_unlock(&dir->log_mutex); diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index 1571c445abe6..a14a8d32a6f1 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1431,6 +1431,31 @@ TRACE_EVENT(btrfs_record_unlink_dir, __entry->ino, __entry->dir, __entry->for_rename) ); +TRACE_EVENT(btrfs_record_snapshot_destroy, + + TP_PROTO(const struct btrfs_trans_handle *trans, + const struct btrfs_inode *dir), + + TP_ARGS(trans, dir), + + TP_STRUCT__entry_btrfs( + __field( u64, root_objectid ) + __field( u64, transid ) + __field( u64, dir ) + ), + + TP_fast_assign( + TP_fast_assign_fsid(trans->fs_info); + __entry->root_objectid = btrfs_root_id(dir->root); + __entry->transid = trans->transid; + __entry->dir = btrfs_ino(dir); + ), + + TP_printk_btrfs("root=%llu(%s) transid=%llu dir=%llu", + show_root_type(__entry->root_objectid), __entry->transid, + __entry->dir) +); + TRACE_EVENT(btrfs_sync_fs, TP_PROTO(const struct btrfs_fs_info *fs_info, int wait), |