This source file includes following definitions.
- dm_bio_record
- dm_bio_restore
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7 #ifndef DM_BIO_RECORD_H
8 #define DM_BIO_RECORD_H
9
10 #include <linux/bio.h>
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20 struct dm_bio_details {
21 struct gendisk *bi_disk;
22 u8 bi_partno;
23 int __bi_remaining;
24 unsigned long bi_flags;
25 struct bvec_iter bi_iter;
26 bio_end_io_t *bi_end_io;
27 #if defined(CONFIG_BLK_DEV_INTEGRITY)
28 struct bio_integrity_payload *bi_integrity;
29 #endif
30 };
31
32 static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio)
33 {
34 bd->bi_disk = bio->bi_disk;
35 bd->bi_partno = bio->bi_partno;
36 bd->bi_flags = bio->bi_flags;
37 bd->bi_iter = bio->bi_iter;
38 bd->__bi_remaining = atomic_read(&bio->__bi_remaining);
39 bd->bi_end_io = bio->bi_end_io;
40 #if defined(CONFIG_BLK_DEV_INTEGRITY)
41 bd->bi_integrity = bio_integrity(bio);
42 #endif
43 }
44
45 static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio)
46 {
47 bio->bi_disk = bd->bi_disk;
48 bio->bi_partno = bd->bi_partno;
49 bio->bi_flags = bd->bi_flags;
50 bio->bi_iter = bd->bi_iter;
51 atomic_set(&bio->__bi_remaining, bd->__bi_remaining);
52 bio->bi_end_io = bd->bi_end_io;
53 #if defined(CONFIG_BLK_DEV_INTEGRITY)
54 bio->bi_integrity = bd->bi_integrity;
55 #endif
56 }
57
58 #endif