diff options
Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 56fc01373b0f..f19a1cd1bfcf 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -361,6 +361,8 @@ struct btrfs_fs_devices { */ #define BTRFS_MAX_BIO_SECTORS (256) +typedef void (*btrfs_bio_end_io_t)(struct btrfs_bio *bbio); + /* * Additional info to pass along bio. * @@ -378,6 +380,10 @@ struct btrfs_bio { u8 csum_inline[BTRFS_BIO_INLINE_CSUM_SIZE]; struct bvec_iter iter; + /* End I/O information supplied to btrfs_bio_alloc */ + btrfs_bio_end_io_t end_io; + void *private; + /* For read end I/O handling */ struct work_struct end_io_work; @@ -396,8 +402,16 @@ static inline struct btrfs_bio *btrfs_bio(struct bio *bio) int __init btrfs_bioset_init(void); void __cold btrfs_bioset_exit(void); -struct bio *btrfs_bio_alloc(unsigned int nr_vecs, blk_opf_t opf); -struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size); +struct bio *btrfs_bio_alloc(unsigned int nr_vecs, blk_opf_t opf, + btrfs_bio_end_io_t end_io, void *private); +struct bio *btrfs_bio_clone_partial(struct bio *orig, u64 offset, u64 size, + btrfs_bio_end_io_t end_io, void *private); + +static inline void btrfs_bio_end_io(struct btrfs_bio *bbio, blk_status_t status) +{ + bbio->bio.bi_status = status; + bbio->end_io(bbio); +} static inline void btrfs_bio_free_csum(struct btrfs_bio *bbio) { @@ -459,9 +473,7 @@ struct btrfs_io_context { refcount_t refs; struct btrfs_fs_info *fs_info; u64 map_type; /* get from map_lookup->type */ - bio_end_io_t *end_io; struct bio *orig_bio; - void *private; atomic_t error; int max_errors; int num_stripes; |