diff options
Diffstat (limited to 'drivers/md/dm-core.h')
| -rw-r--r-- | drivers/md/dm-core.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index d21648a923ea..c954ff91870e 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -33,6 +33,14 @@ struct dm_kobject_holder { * access their members! */ +/* + * For mempools pre-allocation at the table loading time. + */ +struct dm_md_mempools { + struct bio_set bs; + struct bio_set io_bs; +}; + struct mapped_device { struct mutex suspend_lock; @@ -110,8 +118,7 @@ struct mapped_device { /* * io objects are allocated from here. */ - struct bio_set io_bs; - struct bio_set bs; + struct dm_md_mempools *mempools; /* kobject and completion */ struct dm_kobject_holder kobj_holder; @@ -265,6 +272,7 @@ struct dm_io { atomic_t io_count; struct mapped_device *md; + struct bio *split_bio; /* The three fields represent mapped part of original bio */ struct bio *orig_bio; unsigned int sector_offset; /* offset to end of orig_bio */ |