diff options
Diffstat (limited to 'drivers/md/dm-core.h')
| -rw-r--r-- | drivers/md/dm-core.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index 8ba99eaa0872..37ddedf61249 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -267,7 +267,12 @@ struct dm_io { blk_status_t status; atomic_t io_count; struct mapped_device *md; + + /* The three fields represent mapped part of original bio */ struct bio *orig_bio; + unsigned int sector_offset; /* offset to end of orig_bio */ + unsigned int sectors; + /* last member of dm_target_io is 'struct bio' */ struct dm_target_io tio; }; @@ -277,7 +282,8 @@ struct dm_io { */ enum { DM_IO_START_ACCT, - DM_IO_ACCOUNTED + DM_IO_ACCOUNTED, + DM_IO_WAS_SPLIT }; static inline bool dm_io_flagged(struct dm_io *io, unsigned int bit) |