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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_IO_WRITE_H
#define _BCACHEFS_IO_WRITE_H
#include "checksum.h"
#include "io_write_types.h"
#define to_wbio(_bio) \
container_of((_bio), struct bch_write_bio, bio)
void bch2_bio_free_pages_pool(struct bch_fs *, struct bio *);
void bch2_bio_alloc_pages_pool(struct bch_fs *, struct bio *, size_t);
#ifndef CONFIG_BCACHEFS_NO_LATENCY_ACCT
void bch2_latency_acct(struct bch_dev *, u64, int);
#else
static inline void bch2_latency_acct(struct bch_dev *ca, u64 submit_time, int rw) {}
#endif
void bch2_submit_wbio_replicas(struct bch_write_bio *, struct bch_fs *,
enum bch_data_type, const struct bkey_i *, bool);
#define BCH_WRITE_FLAGS() \
x(ALLOC_NOWAIT) \
x(CACHED) \
x(DATA_ENCODED) \
x(PAGES_STABLE) \
x(PAGES_OWNED) \
x(ONLY_SPECIFIED_DEVS) \
x(WROTE_DATA_INLINE) \
x(FROM_INTERNAL) \
x(CHECK_ENOSPC) \
x(SYNC) \
x(MOVE) \
x(IN_WORKER) \
x(DONE) \
x(IO_ERROR) \
x(CONVERT_UNWRITTEN)
enum __bch_write_flags {
#define x(f) __BCH_WRITE_##f,
BCH_WRITE_FLAGS()
#undef x
};
enum bch_write_flags {
#define x(f) BCH_WRITE_##f = BIT(__BCH_WRITE_##f),
BCH_WRITE_FLAGS()
#undef x
};
static inline struct workqueue_struct *index_update_wq(struct bch_write_op *op)
{
return op->watermark == BCH_WATERMARK_copygc
? op->c->copygc_wq
: op->c->btree_update_wq;
}
int bch2_sum_sector_overwrites(struct btree_trans *, struct btree_iter *,
struct bkey_i *, bool *, s64 *, s64 *);
int bch2_extent_update(struct btree_trans *, subvol_inum,
struct btree_iter *, struct bkey_i *,
struct disk_reservation *, u64, s64 *, bool);
static inline void bch2_write_op_init(struct bch_write_op *op, struct bch_fs *c,
struct bch_io_opts opts)
{
op->c = c;
op->end_io = NULL;
op->flags = 0;
op->written = 0;
op->error = 0;
op->csum_type = bch2_data_checksum_type(c, opts);
op->compression_opt = opts.compression;
op->nr_replicas = 0;
op->nr_replicas_required = c->opts.data_replicas_required;
op->watermark = BCH_WATERMARK_normal;
op->incompressible = 0;
op->open_buckets.nr = 0;
op->devs_have.nr = 0;
op->target = 0;
op->opts = opts;
op->subvol = 0;
op->pos = POS_MAX;
op->version = ZERO_VERSION;
op->write_point = (struct write_point_specifier) { 0 };
op->res = (struct disk_reservation) { 0 };
op->new_i_size = U64_MAX;
op->i_sectors_delta = 0;
op->devs_need_flush = NULL;
}
void bch2_write(struct closure *);
void bch2_write_point_do_index_updates(struct work_struct *);
static inline struct bch_write_bio *wbio_init(struct bio *bio)
{
struct bch_write_bio *wbio = to_wbio(bio);
memset(&wbio->wbio, 0, sizeof(wbio->wbio));
return wbio;
}
void bch2_write_op_to_text(struct printbuf *, struct bch_write_op *);
void bch2_fs_io_write_exit(struct bch_fs *);
int bch2_fs_io_write_init(struct bch_fs *);
#endif /* _BCACHEFS_IO_WRITE_H */
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