+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_IO_TYPES_H
#define _BCACHEFS_IO_TYPES_H
struct bch_read_bio {
struct bch_fs *c;
+ u64 start_time;
+ u64 submit_time;
/*
* Reads will often have to be split, and if the extent being read from
*/
struct bvec_iter bvec_iter;
- unsigned submit_time_us;
- u8 flags;
+ unsigned offset_into_extent;
+
+ u16 flags;
union {
struct {
- u8 bounce:1,
+ u16 bounce:1,
split:1,
+ kmalloc:1,
+ have_ioref:1,
narrow_crcs:1,
+ hole:1,
retry:2,
context:2;
};
- u8 _state;
+ u16 _state;
};
struct bch_devs_list devs_have;
- struct extent_pick_ptr pick;
- /* start pos of data we read (may not be pos of data we want) */
- struct bpos pos;
+ struct extent_ptr_decoded pick;
+
+ /*
+ * pos we read from - different from data_pos for indirect extents:
+ */
+ u32 subvol;
+ struct bpos read_pos;
+
+ /*
+ * start pos of data we read (may not be pos of data we want) - for
+ * promote, narrow extents paths:
+ */
+ enum btree_id data_btree;
+ struct bpos data_pos;
struct bversion version;
struct promote_op *promote;
struct bch_write_bio {
struct bch_fs *c;
- struct bch_dev *ca;
struct bch_write_bio *parent;
+ u64 submit_time;
+ u64 inode_offset;
+
struct bch_devs_list failed;
- u8 order;
+ u8 dev;
unsigned split:1,
bounce:1,
put_bio:1,
- have_io_ref:1,
- used_mempool:1;
-
- unsigned submit_time_us;
+ 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;
- struct workqueue_struct *io_wq;
+ void (*end_io)(struct bch_write_op *);
+ u64 start_time;
unsigned written; /* sectors */
u16 flags;
unsigned compression_type:4;
unsigned nr_replicas:4;
unsigned nr_replicas_required:4;
- unsigned alloc_reserve:4;
+ unsigned alloc_reserve:3;
+ unsigned incompressible:1;
+ unsigned btree_update_ready:1;
- u8 open_buckets_nr;
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 bch_devs_mask *devs;
struct write_point_specifier write_point;
- struct disk_reservation res;
+ struct write_point *wp;
+ struct list_head wp_list;
- u8 open_buckets[16];
+ struct disk_reservation res;
- /*
- * If caller wants to flush but hasn't passed us a journal_seq ptr, we
- * still need to stash the journal_seq somewhere:
- */
- union {
- u64 *journal_seq_p;
- u64 journal_seq;
- };
+ struct open_buckets open_buckets;
- int (*index_update_fn)(struct bch_write_op *);
+ 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;
};