diff options
| author | Trela, Maciej <Maciej.Trela@intel.com> | 2010-03-08 16:02:45 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2010-05-18 15:27:48 +1000 |
| commit | dab8b29248b3f14f456651a2a6ee9b8fd16d1b3c (patch) | |
| tree | ced1c7cd74f2e0efc5a48819aa4711047960e2d5 /drivers/md/raid10.h | |
| parent | 9af204cf720cedf369cf823bbd806c350201f7ea (diff) | |
| download | linux-dab8b29248b3f14f456651a2a6ee9b8fd16d1b3c.tar.bz2 | |
md: Add support for Raid0->Raid10 takeover
Signed-off-by: Maciej Trela <maciej.trela@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid10.h')
| -rw-r--r-- | drivers/md/raid10.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 59cd1efb8d30..3824a087e17c 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -33,9 +33,16 @@ struct r10_private_data_s { * 1 stripe. */ + sector_t dev_sectors; /* temp copy of mddev->dev_sectors */ + int chunk_shift; /* shift from chunks to sectors */ sector_t chunk_mask; + int scale_disks; /* When starting array, multiply + * each ->raid_disk by this. + * Need for raid0->raid10 migration + */ + struct list_head retry_list; /* queue pending writes and submit them on unplug */ struct bio_list pending_bio_list; @@ -57,6 +64,11 @@ struct r10_private_data_s { mempool_t *r10bio_pool; mempool_t *r10buf_pool; struct page *tmppage; + + /* When taking over an array from a different personality, we store + * the new thread here until we fully activate the array. + */ + struct mdk_thread_s *thread; }; typedef struct r10_private_data_s conf_t; |