diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-06-02 16:36:11 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:40 -0400 |
| commit | 495aabede3ff594c5eda98cb9f4463502cb48cad (patch) | |
| tree | f40b651df22eba1f7aaa5e9596f4ceef0e9f8069 /fs/bcachefs/sysfs.c | |
| parent | 61fc3c9610e4728c22e5be67a45d0520b1a388cf (diff) | |
bcachefs: Add debug code to print btree transactions
Intented to help debug deadlocks, since we can't use lockdep to check
btree node lock ordering.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/sysfs.c')
| -rw-r--r-- | fs/bcachefs/sysfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index 662c84b91323..06b59e991312 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -166,6 +166,7 @@ read_attribute(journal_debug); read_attribute(journal_pins); read_attribute(btree_updates); read_attribute(dirty_btree_nodes); +read_attribute(btree_transactions); read_attribute(internal_uuid); @@ -401,6 +402,12 @@ SHOW(bch2_fs) if (attr == &sysfs_dirty_btree_nodes) return bch2_dirty_btree_nodes_print(c, buf); + if (attr == &sysfs_btree_transactions) { + struct printbuf out = _PBUF(buf, PAGE_SIZE); + + bch2_btree_trans_to_text(&out, c); + return out.pos - buf; + } if (attr == &sysfs_compression_stats) return bch2_compression_stats(c, buf); @@ -571,6 +578,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_journal_pins, &sysfs_btree_updates, &sysfs_dirty_btree_nodes, + &sysfs_btree_transactions, &sysfs_read_realloc_races, &sysfs_extent_migrate_done, |