X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Fio.h;h=90948bb0aabd62b8be5e69ce7d2add70f0d56ec1;hb=9690f783569ebeb166dfc1745c0ba0f48db523d0;hp=80b72dbf1a0c44f65c2956fb9a626139d73a80f3;hpb=cc41f52bcc7bcc6ec3a63c10fd2b84bc3e2f6615;p=bcachefs-tools-debian diff --git a/libbcachefs/io.h b/libbcachefs/io.h index 80b72db..90948bb 100644 --- a/libbcachefs/io.h +++ b/libbcachefs/io.h @@ -3,6 +3,7 @@ #define _BCACHEFS_IO_H #include "checksum.h" +#include "bkey_buf.h" #include "io_types.h" #define to_wbio(_bio) \ @@ -14,75 +15,100 @@ 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) -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_NOPUT_RESERVATION = (1 << 7), - - /* Internal: */ - BCH_WRITE_JOURNAL_SEQ_PTR = (1 << 8), +const char *bch2_blk_status_to_str(blk_status_t); + +#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->alloc_reserve == RESERVE_movinggc ? op->c->copygc_wq - : op->c->wq; + : op->c->btree_update_wq; } -int bch2_write_index_default(struct bch_write_op *); +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_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->c = c; - op->io_wq = index_update_wq(op); + op->end_io = NULL; 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->alloc_reserve = RESERVE_none; + 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->index_update_fn = bch2_write_index_default; + 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); @@ -91,20 +117,25 @@ static inline struct bch_write_bio *wbio_init(struct bio *bio) 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_i *); + 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_i *k) + struct bkey_buf *k) { - return 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 { @@ -120,21 +151,39 @@ 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)