#define _BCACHEFS_IO_H
#include "checksum.h"
-#include "bkey_on_stack.h"
+#include "bkey_buf.h"
#include "io_types.h"
#define to_wbio(_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 *);
+ enum bch_data_type, const struct bkey_i *, bool);
#define BLK_STS_REMOVED ((__force blk_status_t)128)
const char *bch2_blk_status_to_str(blk_status_t);
-enum bch_write_flags {
- BCH_WRITE_ALLOC_NOWAIT = (1 << 0),
- BCH_WRITE_CACHED = (1 << 1),
- BCH_WRITE_FLUSH = (1 << 2),
- BCH_WRITE_DATA_ENCODED = (1 << 3),
- BCH_WRITE_PAGES_STABLE = (1 << 4),
- BCH_WRITE_PAGES_OWNED = (1 << 5),
- BCH_WRITE_ONLY_SPECIFIED_DEVS = (1 << 6),
- BCH_WRITE_WROTE_DATA_INLINE = (1 << 7),
- BCH_WRITE_FROM_INTERNAL = (1 << 8),
-
- /* Internal: */
- BCH_WRITE_JOURNAL_SEQ_PTR = (1 << 9),
- BCH_WRITE_SKIP_CLOSURE_PUT = (1 << 10),
- BCH_WRITE_DONE = (1 << 11),
+#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
};
-static inline u64 *op_journal_seq(struct bch_write_op *op)
-{
- return (op->flags & BCH_WRITE_JOURNAL_SEQ_PTR)
- ? op->journal_seq_p : &op->journal_seq;
-}
-
-static inline void op_journal_seq_set(struct bch_write_op *op, u64 *journal_seq)
-{
- op->journal_seq_p = journal_seq;
- op->flags |= BCH_WRITE_JOURNAL_SEQ_PTR;
-}
+enum bch_write_flags {
+#define x(f) BCH_WRITE_##f = 1U << __BCH_WRITE_##f,
+ BCH_WRITE_FLAGS()
+#undef x
+};
static inline struct workqueue_struct *index_update_wq(struct bch_write_op *op)
{
- return op->alloc_reserve == RESERVE_MOVINGGC
+ return op->watermark == BCH_WATERMARK_copygc
? op->c->copygc_wq
- : op->c->wq;
+ : op->c->btree_update_wq;
}
-int bch2_extent_update(struct btree_trans *, struct btree_iter *,
- struct bkey_i *, struct disk_reservation *,
- u64 *, u64, s64 *);
-int bch2_fpunch_at(struct btree_trans *, struct btree_iter *,
- struct bpos, u64 *, s64 *);
-int bch2_fpunch(struct bch_fs *c, u64, u64, u64, u64 *, s64 *);
+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);
+int bch2_extent_fallocate(struct btree_trans *, subvol_inum, struct btree_iter *,
+ unsigned, struct bch_io_opts, s64 *,
+ struct write_point_specifier);
-int bch2_write_index_default(struct bch_write_op *);
+int bch2_fpunch_at(struct btree_trans *, struct btree_iter *,
+ subvol_inum, u64, s64 *);
+int bch2_fpunch(struct bch_fs *c, subvol_inum, u64, u64, s64 *);
static inline void bch2_write_op_init(struct bch_write_op *op, struct bch_fs *c,
struct bch_io_opts opts)
op->flags = 0;
op->written = 0;
op->error = 0;
- op->csum_type = bch2_data_checksum_type(c, opts.data_checksum);
+ op->csum_type = bch2_data_checksum_type(c, opts);
op->compression_type = bch2_compression_opt_to_type[opts.compression];
op->nr_replicas = 0;
op->nr_replicas_required = c->opts.data_replicas_required;
- op->alloc_reserve = RESERVE_NONE;
+ 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->journal_seq = 0;
op->new_i_size = U64_MAX;
op->i_sectors_delta = 0;
- op->index_update_fn = bch2_write_index_default;
+ 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, 0, offsetof(struct bch_write_bio, bio));
+ memset(&wbio->wbio, 0, sizeof(wbio->wbio));
return wbio;
}
+void bch2_write_op_to_text(struct printbuf *, struct bch_write_op *);
+
struct bch_devs_mask;
struct cache_promote_op;
struct extent_ptr_decoded;
int __bch2_read_indirect_extent(struct btree_trans *, unsigned *,
- struct bkey_on_stack *);
+ struct bkey_buf *);
static inline int bch2_read_indirect_extent(struct btree_trans *trans,
+ enum btree_id *data_btree,
unsigned *offset_into_extent,
- struct bkey_on_stack *k)
+ struct bkey_buf *k)
{
- return k->k->k.type == KEY_TYPE_reflink_p
- ? __bch2_read_indirect_extent(trans, offset_into_extent, k)
- : 0;
+ if (k->k->k.type != KEY_TYPE_reflink_p)
+ return 0;
+
+ *data_btree = BTREE_ID_reflink;
+ return __bch2_read_indirect_extent(trans, offset_into_extent, k);
}
enum bch_read_flags {
BCH_READ_IN_RETRY = 1 << 7,
};
-int __bch2_read_extent(struct bch_fs *, struct bch_read_bio *,
- struct bvec_iter, struct bkey_s_c, unsigned,
+int __bch2_read_extent(struct btree_trans *, struct bch_read_bio *,
+ struct bvec_iter, struct bpos, enum btree_id,
+ struct bkey_s_c, unsigned,
struct bch_io_failures *, unsigned);
-static inline void bch2_read_extent(struct bch_fs *c,
- struct bch_read_bio *rbio,
- struct bkey_s_c k,
- unsigned offset_into_extent,
- unsigned flags)
+static inline void bch2_read_extent(struct btree_trans *trans,
+ struct bch_read_bio *rbio, struct bpos read_pos,
+ enum btree_id data_btree, struct bkey_s_c k,
+ unsigned offset_into_extent, unsigned flags)
{
- __bch2_read_extent(c, rbio, rbio->bio.bi_iter, k,
- offset_into_extent, NULL, flags);
+ __bch2_read_extent(trans, rbio, rbio->bio.bi_iter, read_pos,
+ data_btree, k, offset_into_extent, NULL, flags);
}
-void bch2_read(struct bch_fs *, struct bch_read_bio *, u64);
+void __bch2_read(struct bch_fs *, struct bch_read_bio *, struct bvec_iter,
+ subvol_inum, struct bch_io_failures *, unsigned flags);
+
+static inline void bch2_read(struct bch_fs *c, struct bch_read_bio *rbio,
+ subvol_inum inum)
+{
+ struct bch_io_failures failed = { .nr = 0 };
+
+ BUG_ON(rbio->_state);
+
+ rbio->c = c;
+ rbio->start_time = local_clock();
+ rbio->subvol = inum.subvol;
+
+ __bch2_read(c, rbio, rbio->bio.bi_iter, inum, &failed,
+ BCH_READ_RETRY_IF_STALE|
+ BCH_READ_MAY_PROMOTE|
+ BCH_READ_USER_MAPPED);
+}
static inline struct bch_read_bio *rbio_init(struct bio *bio,
struct bch_io_opts opts)
projects / bcachefs-tools-debian / blobdiff