diff options
Diffstat (limited to 'fs/btrfs/raid56.h')
-rw-r--r-- | fs/btrfs/raid56.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/btrfs/raid56.h b/fs/btrfs/raid56.h index df0e0abdeb1f..0f7f31c8cb98 100644 --- a/fs/btrfs/raid56.h +++ b/fs/btrfs/raid56.h @@ -170,6 +170,11 @@ static inline int nr_data_stripes(const struct map_lookup *map) return map->num_stripes - btrfs_nr_parity_stripes(map->type); } +static inline int nr_bioc_data_stripes(const struct btrfs_io_context *bioc) +{ + return bioc->num_stripes - btrfs_nr_parity_stripes(bioc->map_type); +} + #define RAID5_P_STRIPE ((u64)-2) #define RAID6_Q_STRIPE ((u64)-1) @@ -182,19 +187,12 @@ void raid56_parity_recover(struct bio *bio, struct btrfs_io_context *bioc, int mirror_num); void raid56_parity_write(struct bio *bio, struct btrfs_io_context *bioc); -void raid56_add_scrub_pages(struct btrfs_raid_bio *rbio, struct page *page, - unsigned int pgoff, u64 logical); - struct btrfs_raid_bio *raid56_parity_alloc_scrub_rbio(struct bio *bio, struct btrfs_io_context *bioc, struct btrfs_device *scrub_dev, unsigned long *dbitmap, int stripe_nsectors); void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio); -struct btrfs_raid_bio * -raid56_alloc_missing_rbio(struct bio *bio, struct btrfs_io_context *bioc); -void raid56_submit_missing_rbio(struct btrfs_raid_bio *rbio); - int btrfs_alloc_stripe_hash_table(struct btrfs_fs_info *info); void btrfs_free_stripe_hash_table(struct btrfs_fs_info *info); |