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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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ad63f9f1e9
Add a struct for common state for satisfying an on disk allocation, instead of passing the same long list of items to every function. This will help with stack usage, performance, and perhaps enable some code cleanups. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_IO_WRITE_H
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#define _BCACHEFS_IO_WRITE_H
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#include "checksum.h"
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#include "io_write_types.h"
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#define to_wbio(_bio) \
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container_of((_bio), struct bch_write_bio, bio)
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void bch2_bio_free_pages_pool(struct bch_fs *, struct bio *);
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void bch2_bio_alloc_pages_pool(struct bch_fs *, struct bio *, size_t);
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void bch2_submit_wbio_replicas(struct bch_write_bio *, struct bch_fs *,
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enum bch_data_type, const struct bkey_i *, bool);
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__printf(3, 4)
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void bch2_write_op_error(struct bch_write_op *op, u64, const char *, ...);
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static inline struct workqueue_struct *index_update_wq(struct bch_write_op *op)
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{
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return op->watermark == BCH_WATERMARK_copygc
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? op->c->copygc_wq
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: op->c->btree_update_wq;
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}
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int bch2_sum_sector_overwrites(struct btree_trans *, struct btree_iter *,
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struct bkey_i *, bool *, s64 *, s64 *);
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int bch2_extent_update(struct btree_trans *, subvol_inum,
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struct btree_iter *, struct bkey_i *,
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struct disk_reservation *, u64, s64 *, bool);
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static inline void bch2_write_op_init(struct bch_write_op *op, struct bch_fs *c,
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struct bch_io_opts opts)
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{
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op->c = c;
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op->end_io = NULL;
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op->flags = 0;
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op->written = 0;
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op->error = 0;
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op->csum_type = bch2_data_checksum_type(c, opts);
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op->compression_opt = opts.compression;
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op->nr_replicas = 0;
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op->nr_replicas_required = c->opts.data_replicas_required;
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op->watermark = BCH_WATERMARK_normal;
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op->incompressible = 0;
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op->open_buckets.nr = 0;
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op->devs_have.nr = 0;
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op->target = 0;
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op->opts = opts;
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op->subvol = 0;
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op->pos = POS_MAX;
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op->version = ZERO_VERSION;
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op->write_point = (struct write_point_specifier) { 0 };
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op->res = (struct disk_reservation) { 0 };
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op->new_i_size = U64_MAX;
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op->i_sectors_delta = 0;
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op->devs_need_flush = NULL;
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}
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CLOSURE_CALLBACK(bch2_write);
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void bch2_write_point_do_index_updates(struct work_struct *);
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static inline struct bch_write_bio *wbio_init(struct bio *bio)
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{
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struct bch_write_bio *wbio = to_wbio(bio);
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memset(&wbio->wbio, 0, sizeof(wbio->wbio));
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return wbio;
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}
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void bch2_write_op_to_text(struct printbuf *, struct bch_write_op *);
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void bch2_fs_io_write_exit(struct bch_fs *);
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int bch2_fs_io_write_init(struct bch_fs *);
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#endif /* _BCACHEFS_IO_WRITE_H */
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