+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_IO_TYPES_H
#define _BCACHEFS_IO_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>
-struct extent_pick_ptr {
- struct bch_extent_crc128 crc;
- struct bch_extent_ptr ptr;
- struct bch_dev *ca;
-};
-
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,
- process_context:1,
- retry:2;
+ kmalloc:1,
+ have_ioref:1,
+ narrow_crcs:1,
+ hole:1,
+ retry:2,
+ context:2;
};
- u8 _state;
+ u16 _state;
};
- struct extent_pick_ptr pick;
+ struct bch_devs_list devs_have;
+
+ struct extent_ptr_decoded pick;
+ /* start pos of data we read (may not be pos of data we want) */
+ struct bpos pos;
struct bversion version;
struct promote_op *promote;
- /*
- * If we have to retry the read (IO error, checksum failure, read stale
- * data (raced with allocator), we retry the portion of the parent bio
- * that failed (i.e. this bio's portion, bvec_iter).
- *
- * But we need to stash the inode somewhere:
- */
- u64 inode;
+ struct bch_io_opts opts;
struct work_struct work;
struct bch_write_bio {
struct bch_fs *c;
- struct bch_dev *ca;
- union {
struct bch_write_bio *parent;
- struct closure *cl;
- };
- u8 ptr_idx;
- u8 replicas_failed;
- u8 order;
+ u64 submit_time;
+
+ struct bch_devs_list failed;
+ u8 dev;
unsigned split:1,
bounce:1,
put_bio:1,
- have_io_ref:1,
+ have_ioref:1,
used_mempool:1;
- unsigned submit_time_us;
- void *data;
-
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 */
-
- short error;
-
u16 flags;
+ s16 error; /* dio write path expects it to hold -ERESTARTSYS... */
+
unsigned csum_type:4;
unsigned compression_type:4;
unsigned nr_replicas:4;
- unsigned alloc_reserve:4;
- unsigned nonce:14;
+ unsigned nr_replicas_required:4;
+ unsigned alloc_reserve:3;
+ unsigned incompressible:1;
+
+ struct bch_devs_list devs_have;
+ u16 target;
+ u16 nonce;
+ struct bch_io_opts opts;
struct bpos pos;
struct bversion version;
- /* For BCH_WRITE_DATA_COMPRESSED: */
- struct bch_extent_crc128 crc;
- unsigned size;
+ /* For BCH_WRITE_DATA_ENCODED: */
+ struct bch_extent_crc_unpacked crc;
- struct bch_devs_mask *devs;
- unsigned long write_point;
+ struct write_point_specifier write_point;
struct disk_reservation res;
- union {
- u8 open_buckets[16];
- struct {
- struct bch_write_op *next;
- unsigned long expires;
- };
- };
+ struct open_buckets open_buckets;
/*
* If caller wants to flush but hasn't passed us a journal_seq ptr, we
u64 *journal_seq_p;
u64 journal_seq;
};
+ u64 new_i_size;
+ s64 i_sectors_delta;
int (*index_update_fn)(struct bch_write_op *);