X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Fio_types.h;h=4e5d31060b5760a5bc4b8dbc511bcd54d6070030;hb=1b2d60826974e31b9894b6d5aa59b0e7e62823cd;hp=32ecac24228829e05f5180bbcd89b29be7fc02b1;hpb=4de98a2712764bceb9e0f67b1ac2f2c7862feb77;p=bcachefs-tools-debian diff --git a/libbcachefs/io_types.h b/libbcachefs/io_types.h index 32ecac2..4e5d310 100644 --- a/libbcachefs/io_types.h +++ b/libbcachefs/io_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHEFS_IO_TYPES_H #define _BCACHEFS_IO_TYPES_H @@ -14,6 +15,8 @@ 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 @@ -35,24 +38,39 @@ struct bch_read_bio { */ 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, + kmalloc:1, + have_ioref:1, narrow_crcs:1, + hole:1, retry:2, context:2; }; - u8 _state; + u16 _state; }; struct bch_devs_list devs_have; - struct extent_pick_ptr pick; - /* start pos of data we read (may not be pos of data we want) */ - struct bpos pos; + struct extent_ptr_decoded pick; + + /* + * pos we read from - different from data_pos for indirect extents: + */ + u32 subvol; + struct bpos read_pos; + + /* + * start pos of data we read (may not be pos of data we want) - for + * promote, narrow extents paths: + */ + enum btree_id data_btree; + struct bpos data_pos; struct bversion version; struct promote_op *promote; @@ -66,19 +84,21 @@ struct bch_read_bio { struct bch_write_bio { struct bch_fs *c; - struct bch_dev *ca; struct bch_write_bio *parent; + u64 submit_time; + u64 inode_offset; + struct bch_devs_list failed; - u8 order; + u8 dev; unsigned split:1, bounce:1, put_bio:1, - have_io_ref:1, - used_mempool:1; - - unsigned submit_time_us; + have_ioref:1, + nocow:1, + used_mempool:1, + first_btree_write:1; struct bio bio; }; @@ -86,7 +106,8 @@ struct bch_write_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 */ u16 flags; @@ -96,42 +117,45 @@ struct bch_write_op { unsigned compression_type:4; unsigned nr_replicas:4; unsigned nr_replicas_required:4; - unsigned alloc_reserve:4; + unsigned alloc_reserve:3; + unsigned incompressible:1; + unsigned btree_update_ready:1; - u8 open_buckets_nr; struct bch_devs_list devs_have; u16 target; u16 nonce; + struct bch_io_opts opts; + u32 subvol; struct bpos pos; struct bversion version; /* For BCH_WRITE_DATA_ENCODED: */ struct bch_extent_crc_unpacked crc; - struct bch_devs_mask *devs; struct write_point_specifier write_point; - struct disk_reservation res; + struct write_point *wp; + struct list_head wp_list; - u8 open_buckets[16]; + struct disk_reservation res; - /* - * If caller wants to flush but hasn't passed us a journal_seq ptr, we - * still need to stash the journal_seq somewhere: - */ - union { - u64 *journal_seq_p; - u64 journal_seq; - }; + struct open_buckets open_buckets; - int (*index_update_fn)(struct bch_write_op *); + u64 new_i_size; + s64 i_sectors_delta; struct bch_devs_mask failed; struct keylist insert_keys; u64 inline_keys[BKEY_EXTENT_U64s_MAX * 2]; + /* + * Bitmask of devices that have had nocow writes issued to them since + * last flush: + */ + struct bch_devs_mask *devs_need_flush; + /* Must be last: */ struct bch_write_bio wbio; };