bcachefs.h (dbd0408087853c7842aa21f58f99d395eff02544) bcachefs.h (3858aa4268b2f71827097f548879e4405b4cc995)
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_H
3#define _BCACHEFS_H
4
5/*
6 * SOME HIGH LEVEL CODE DOCUMENTATION:
7 *
8 * Bcache mostly works with cache sets, cache devices, and backing devices.

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568 atomic_t flush_seq;
569
570 struct bch_devs_mask self;
571
572 /*
573 * Buckets:
574 * Per-bucket arrays are protected by c->mark_lock, bucket_lock and
575 * gc_lock, for device resize - holding any is sufficient for access:
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_H
3#define _BCACHEFS_H
4
5/*
6 * SOME HIGH LEVEL CODE DOCUMENTATION:
7 *
8 * Bcache mostly works with cache sets, cache devices, and backing devices.

--- 559 unchanged lines hidden (view full) ---

568 atomic_t flush_seq;
569
570 struct bch_devs_mask self;
571
572 /*
573 * Buckets:
574 * Per-bucket arrays are protected by c->mark_lock, bucket_lock and
575 * gc_lock, for device resize - holding any is sufficient for access:
576 * Or rcu_read_lock(), but only for ptr_stale():
576 * Or rcu_read_lock(), but only for dev_ptr_stale():
577 */
578 struct bucket_array __rcu *buckets_gc;
579 struct bucket_gens __rcu *bucket_gens;
580 u8 *oldest_gen;
581 unsigned long *buckets_nouse;
582 struct rw_semaphore bucket_lock;
583
584 struct bch_dev_usage *usage_base;

--- 697 unchanged lines hidden --- 		577 */
578 struct bucket_array __rcu *buckets_gc;
579 struct bucket_gens __rcu *bucket_gens;
580 u8 *oldest_gen;
581 unsigned long *buckets_nouse;
582 struct rw_semaphore bucket_lock;
583
584 struct bch_dev_usage *usage_base;

--- 697 unchanged lines hidden ---