summaryrefslogtreecommitdiffstats
path: root/fs/bcachefs/clock.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/bcachefs/clock.h')
-rw-r--r--fs/bcachefs/clock.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/bcachefs/clock.h b/fs/bcachefs/clock.h
new file mode 100644
index 0000000000..70a0f7436c
--- /dev/null
+++ b/fs/bcachefs/clock.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_CLOCK_H
+#define _BCACHEFS_CLOCK_H
+
+void bch2_io_timer_add(struct io_clock *, struct io_timer *);
+void bch2_io_timer_del(struct io_clock *, struct io_timer *);
+void bch2_kthread_io_clock_wait(struct io_clock *, unsigned long,
+ unsigned long);
+
+void __bch2_increment_clock(struct io_clock *, unsigned);
+
+static inline void bch2_increment_clock(struct bch_fs *c, unsigned sectors,
+ int rw)
+{
+ struct io_clock *clock = &c->io_clock[rw];
+
+ if (unlikely(this_cpu_add_return(*clock->pcpu_buf, sectors) >=
+ IO_CLOCK_PCPU_SECTORS))
+ __bch2_increment_clock(clock, this_cpu_xchg(*clock->pcpu_buf, 0));
+}
+
+void bch2_io_clock_schedule_timeout(struct io_clock *, unsigned long);
+
+#define bch2_kthread_wait_event_ioclock_timeout(condition, clock, timeout)\
+({ \
+ long __ret = timeout; \
+ might_sleep(); \
+ if (!___wait_cond_timeout(condition)) \
+ __ret = __wait_event_timeout(wq, condition, timeout); \
+ __ret; \
+})
+
+void bch2_io_timers_to_text(struct printbuf *, struct io_clock *);
+
+void bch2_io_clock_exit(struct io_clock *);
+int bch2_io_clock_init(struct io_clock *);
+
+#endif /* _BCACHEFS_CLOCK_H */