1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _BCACHEFS_IO_WRITE_H 3 #define _BCACHEFS_IO_WRITE_H 4 5 #include "checksum.h" 6 #include "io_write_types.h" 7 8 #define to_wbio(_bio) \ 9 container_of((_bio), struct bch_write_bio, bio) 10 11 void bch2_bio_free_pages_pool(struct bch_fs *, struct bio *); 12 void bch2_bio_alloc_pages_pool(struct bch_fs *, struct bio *, size_t); 13 14 void bch2_submit_wbio_replicas(struct bch_write_bio *, struct bch_fs *, 15 enum bch_data_type, const struct bkey_i *, bool); 16 17 __printf(3, 4) 18 void bch2_write_op_error(struct bch_write_op *op, u64, const char *, ...); 19 20 static inline struct workqueue_struct *index_update_wq(struct bch_write_op *op) 21 { 22 return op->watermark == BCH_WATERMARK_copygc 23 ? op->c->copygc_wq 24 : op->c->btree_update_wq; 25 } 26 27 int bch2_sum_sector_overwrites(struct btree_trans *, struct btree_iter *, 28 struct bkey_i *, bool *, s64 *, s64 *); 29 int bch2_extent_update(struct btree_trans *, subvol_inum, 30 struct btree_iter *, struct bkey_i *, 31 struct disk_reservation *, u64, s64 *, bool); 32 33 static inline void bch2_write_op_init(struct bch_write_op *op, struct bch_fs *c, 34 struct bch_io_opts opts) 35 { 36 op->c = c; 37 op->end_io = NULL; 38 op->flags = 0; 39 op->written = 0; 40 op->error = 0; 41 op->csum_type = bch2_data_checksum_type(c, opts); 42 op->compression_opt = opts.compression; 43 op->nr_replicas = 0; 44 op->nr_replicas_required = c->opts.data_replicas_required; 45 op->watermark = BCH_WATERMARK_normal; 46 op->incompressible = 0; 47 op->open_buckets.nr = 0; 48 op->devs_have.nr = 0; 49 op->target = 0; 50 op->opts = opts; 51 op->subvol = 0; 52 op->pos = POS_MAX; 53 op->version = ZERO_VERSION; 54 op->write_point = (struct write_point_specifier) { 0 }; 55 op->res = (struct disk_reservation) { 0 }; 56 op->new_i_size = U64_MAX; 57 op->i_sectors_delta = 0; 58 op->devs_need_flush = NULL; 59 } 60 61 CLOSURE_CALLBACK(bch2_write); 62 void bch2_write_point_do_index_updates(struct work_struct *); 63 64 static inline struct bch_write_bio *wbio_init(struct bio *bio) 65 { 66 struct bch_write_bio *wbio = to_wbio(bio); 67 68 memset(&wbio->wbio, 0, sizeof(wbio->wbio)); 69 return wbio; 70 } 71 72 void bch2_write_op_to_text(struct printbuf *, struct bch_write_op *); 73 74 void bch2_fs_io_write_exit(struct bch_fs *); 75 int bch2_fs_io_write_init(struct bch_fs *); 76 77 #endif /* _BCACHEFS_IO_WRITE_H */ 78