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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_IO_WRITE_TYPES_H
#define _BCACHEFS_IO_WRITE_TYPES_H
#include "alloc_types.h"
#include "btree_types.h"
#include "buckets_types.h"
#include "extents_types.h"
#include "keylist_types.h"
#include "opts.h"
#include "super_types.h"
#include <linux/llist.h>
#include <linux/workqueue.h>
#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(check_enospc) \
x(sync) \
x(move) \
x(in_worker) \
x(submitted) \
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
};
struct bch_write_bio {
struct_group(wbio,
struct bch_fs *c;
struct bch_write_bio *parent;
u64 submit_time;
u64 inode_offset;
u64 nocow_bucket;
struct bch_devs_list failed;
u8 dev;
unsigned split:1,
bounce:1,
put_bio:1,
have_ioref:1,
nocow:1,
used_mempool:1,
first_btree_write:1;
);
struct bio bio;
};
struct bch_write_op {
struct closure cl;
struct bch_fs *c;
void (*end_io)(struct bch_write_op *);
u64 start_time;
#ifdef CONFIG_BCACHEFS_ASYNC_OBJECT_LISTS
unsigned list_idx;
#endif
unsigned written; /* sectors */
u16 flags;
s16 error; /* dio write path expects it to hold -ERESTARTSYS... */
unsigned compression_opt:8;
unsigned csum_type:4;
unsigned nr_replicas:4;
unsigned nr_replicas_required:4;
unsigned watermark:3;
unsigned incompressible:1;
unsigned stripe_waited:1;
struct bch_devs_list devs_have;
u16 target;
u16 nonce;
struct bch_io_opts opts;
u32 subvol;
struct bpos pos;
struct bversion version;
/* For BCH_WRITE_data_encoded: */
struct bch_extent_crc_unpacked crc;
struct write_point_specifier write_point;
struct write_point *wp;
struct list_head wp_list;
struct disk_reservation res;
struct open_buckets open_buckets;
u64 new_i_size;
s64 i_sectors_delta;
struct bch_devs_mask failed;
struct keylist insert_keys;
u64 inline_keys[BKEY_EXTENT_U64s_MAX * 2];
/*
* Bitmask of devices that have had nocow writes issued to them since
* last flush:
*/
struct bch_devs_mask *devs_need_flush;
/* Must be last: */
struct bch_write_bio wbio;
};
#endif /* _BCACHEFS_IO_WRITE_TYPES_H */
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