diff options
| author | Daniel Hill <daniel@gluo.nz> | 2022-12-07 18:41:21 +1300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2022-12-09 17:36:05 -0500 |
| commit | 1ea91a9adac6df4db1d1fd29a8a08055871f98d3 (patch) | |
| tree | df537488d22e1c1b4afb5354ac54ef64d9e3c4fc | |
| parent | 9df7cf834bcb25d44ebb67a180198b5717a37127 (diff) | |
bcachefs: expose nocow_lock table in sysfs
Signed-off-by: Daniel Hill <daniel@gluo.nz>
| -rw-r--r-- | fs/bcachefs/sysfs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index 647d018b5ec9..bad3eafd32d2 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -194,6 +194,7 @@ read_attribute(btree_cache); read_attribute(btree_key_cache); read_attribute(stripes_heap); read_attribute(open_buckets); +read_attribute(nocow_lock_table); read_attribute(internal_uuid); @@ -445,6 +446,22 @@ SHOW(bch2_fs) if (attr == &sysfs_data_jobs) data_progress_to_text(out, c); + if (attr == &sysfs_nocow_lock_table) { + int i, count = 1; + long last, curr = 0; + + last = atomic_long_read(&c->nocow_locks.l[0].v); + for (i = 1; i < BUCKET_NOCOW_LOCKS; i++) { + curr = atomic_long_read(&c->nocow_locks.l[i].v); + if (last != curr) { + prt_printf(out, "%li: %d\n", last, count); + count = 1; + last = curr; + } else + count++; + } + prt_printf(out, "%li: %d\n", last, count); +} return 0; } @@ -627,6 +644,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_new_stripes, &sysfs_stripes_heap, &sysfs_open_buckets, + &sysfs_nocow_lock_table, &sysfs_io_timers_read, &sysfs_io_timers_write, |