mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-19 17:14:40 +08:00
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BCACHEFS_ALLOC_BACKGROUND_H
|
|
#define _BCACHEFS_ALLOC_BACKGROUND_H
|
|
|
|
#include "bcachefs.h"
|
|
#include "alloc_types.h"
|
|
#include "debug.h"
|
|
|
|
struct bkey_alloc_unpacked {
|
|
u8 gen;
|
|
#define x(_name, _bits) u##_bits _name;
|
|
BCH_ALLOC_FIELDS()
|
|
#undef x
|
|
};
|
|
|
|
struct bkey_alloc_unpacked bch2_alloc_unpack(const struct bch_alloc *);
|
|
|
|
#define ALLOC_SCAN_BATCH(ca) max_t(size_t, 1, (ca)->mi.nbuckets >> 9)
|
|
|
|
const char *bch2_alloc_invalid(const struct bch_fs *, struct bkey_s_c);
|
|
void bch2_alloc_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
|
|
|
|
#define bch2_bkey_ops_alloc (struct bkey_ops) { \
|
|
.key_invalid = bch2_alloc_invalid, \
|
|
.val_to_text = bch2_alloc_to_text, \
|
|
}
|
|
|
|
int bch2_alloc_read(struct bch_fs *, struct list_head *);
|
|
int bch2_alloc_replay_key(struct bch_fs *, struct bkey_i *);
|
|
|
|
static inline void bch2_wake_allocator(struct bch_dev *ca)
|
|
{
|
|
struct task_struct *p;
|
|
|
|
rcu_read_lock();
|
|
p = rcu_dereference(ca->alloc_thread);
|
|
if (p)
|
|
wake_up_process(p);
|
|
rcu_read_unlock();
|
|
}
|
|
|
|
static inline void verify_not_on_freelist(struct bch_fs *c, struct bch_dev *ca,
|
|
size_t bucket)
|
|
{
|
|
if (expensive_debug_checks(c) &&
|
|
test_bit(BCH_FS_ALLOCATOR_STARTED, &c->flags)) {
|
|
size_t iter;
|
|
long i;
|
|
unsigned j;
|
|
|
|
for (j = 0; j < RESERVE_NR; j++)
|
|
fifo_for_each_entry(i, &ca->free[j], iter)
|
|
BUG_ON(i == bucket);
|
|
fifo_for_each_entry(i, &ca->free_inc, iter)
|
|
BUG_ON(i == bucket);
|
|
}
|
|
}
|
|
|
|
void bch2_recalc_capacity(struct bch_fs *);
|
|
|
|
void bch2_dev_allocator_remove(struct bch_fs *, struct bch_dev *);
|
|
void bch2_dev_allocator_add(struct bch_fs *, struct bch_dev *);
|
|
|
|
void bch2_dev_allocator_quiesce(struct bch_fs *, struct bch_dev *);
|
|
void bch2_dev_allocator_stop(struct bch_dev *);
|
|
int bch2_dev_allocator_start(struct bch_dev *);
|
|
|
|
int bch2_alloc_write(struct bch_fs *, bool, bool *);
|
|
int bch2_fs_allocator_start(struct bch_fs *);
|
|
void bch2_fs_allocator_background_init(struct bch_fs *);
|
|
|
|
#endif /* _BCACHEFS_ALLOC_BACKGROUND_H */
|