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| author | Mateusz Kusiak <mateusz.kusiak@intel.com> | 2024-04-29 15:07:18 +0200 |
|---|---|---|
| committer | Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com> | 2024-05-07 01:50:09 +0200 |
| commit | 610fc2ee6fc09e828b14e8fa221b3f4f70fc7b2b (patch) | |
| tree | 1aa86b877bbd534a5d4cb94f165e1e5f8cf92e4c | |
| parent | imsm: bump minimal version (diff) | |
| download | mdadm-610fc2ee6fc09e828b14e8fa221b3f4f70fc7b2b.tar.xz mdadm-610fc2ee6fc09e828b14e8fa221b3f4f70fc7b2b.zip | |
imsm: define RAID_10 attribute
Add MPB_ATTRIB_RAID10_EXT attribute to support RAID 10
with more than 4 drives.
Allow more than 4 drives in imsm_orom_support_raid_disks_raid10().
This is one of last patches for introducing R10D4+ to imsm.
Only small adjustments in reshape behaviours are needed.
Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
| -rw-r--r-- | platform-intel.c | 3 | ||||
| -rw-r--r-- | super-intel.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/platform-intel.c b/platform-intel.c index 40e8fb82..15a9fa5a 100644 --- a/platform-intel.c +++ b/platform-intel.c @@ -76,7 +76,8 @@ static bool imsm_orom_support_raid_disks_count_raid5(const int raid_disks) static bool imsm_orom_support_raid_disks_count_raid10(const int raid_disks) { - if (raid_disks == 4) + /* raid_disks count must be higher than 4 and even */ + if (raid_disks >= 4 && (raid_disks & 1) == 0) return true; return false; } diff --git a/super-intel.c b/super-intel.c index 4b168add..2d309316 100644 --- a/super-intel.c +++ b/super-intel.c @@ -62,6 +62,8 @@ #define MPB_ATTRIB_RAIDCNG __cpu_to_le32(0x00000020) /* supports expanded stripe sizes of 256K, 512K and 1MB */ #define MPB_ATTRIB_EXP_STRIPE_SIZE __cpu_to_le32(0x00000040) +/* supports RAID10 with more than 4 drives */ +#define MPB_ATTRIB_RAID10_EXT __cpu_to_le32(0x00000080) /* The OROM Support RST Caching of Volumes */ #define MPB_ATTRIB_NVM __cpu_to_le32(0x02000000) @@ -89,6 +91,7 @@ MPB_ATTRIB_RAID10 | \ MPB_ATTRIB_RAID5 | \ MPB_ATTRIB_EXP_STRIPE_SIZE | \ + MPB_ATTRIB_RAID10_EXT | \ MPB_ATTRIB_BBM) /* Define attributes that are unused but not harmful */ @@ -5552,6 +5555,8 @@ static void imsm_update_version_info(struct intel_super *super) break; case IMSM_T_RAID10: mpb->attributes |= MPB_ATTRIB_RAID10; + if (map->num_members > 4) + mpb->attributes |= MPB_ATTRIB_RAID10_EXT; break; } } |