git.sesse.net Git - bcachefs-tools-debian/blob - libbcachefs/nocow_locking.c

   1 // SPDX-License-Identifier: GPL-2.0
   2
   3 #include "bcachefs.h"
   4 #include "nocow_locking.h"
   5 #include "util.h"
   6
   7 void __bch2_bucket_nocow_lock(struct bucket_nocow_lock_table *t,
   8                               struct bpos bucket, int flags)
   9 {
  10         struct bch_fs *c = container_of(t, struct bch_fs, nocow_locks);
  11         two_state_lock_t *l = bucket_nocow_lock(t, bucket);
  12         u64 start_time = local_clock();
  13
  14         bch2_two_state_lock(l, flags & BUCKET_NOCOW_LOCK_UPDATE);
  15         bch2_time_stats_update(&c->times[BCH_TIME_nocow_lock_contended], start_time);
  16 }