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[SCSI] megaraid_sas: Add High Availability clustering support using shared Logical Disks

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Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Este commit está contenido en:
adam radford
2013-09-06 15:27:14 -07:00
cometido por James Bottomley
padre 9807b4d949
commit 21c9e160a5
Se han modificado 5 ficheros con 204 adiciones y 29 borrados
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11
drivers/scsi/megaraid/megaraid_sas_fp.c
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@@ -126,17 +126,17 @@ static u8 MR_LdDataArmGet(u32 ld, u32 armIdx, struct MR_FW_RAID_MAP_ALL *map)
return map->raidMap.ldSpanMap[ld].dataArmMap[armIdx];
}
static u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_FW_RAID_MAP_ALL *map)
u16 MR_ArPdGet(u32 ar, u32 arm, struct MR_FW_RAID_MAP_ALL *map)
{
return map->raidMap.arMapInfo[ar].pd[arm];
}
static u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_FW_RAID_MAP_ALL *map)
u16 MR_LdSpanArrayGet(u32 ld, u32 span, struct MR_FW_RAID_MAP_ALL *map)
{
return map->raidMap.ldSpanMap[ld].spanBlock[span].span.arrayRef;
}
static u16 MR_PdDevHandleGet(u32 pd, struct MR_FW_RAID_MAP_ALL *map)
u16 MR_PdDevHandleGet(u32 pd, struct MR_FW_RAID_MAP_ALL *map)
{
return map->raidMap.devHndlInfo[pd].curDevHdl;
}
@@ -784,7 +784,7 @@ u8
MR_BuildRaidContext(struct megasas_instance *instance,
struct IO_REQUEST_INFO *io_info,
struct RAID_CONTEXT *pRAID_Context,
struct MR_FW_RAID_MAP_ALL *map)
struct MR_FW_RAID_MAP_ALL *map, u8 **raidLUN)
{
struct MR_LD_RAID *raid;
u32 ld, stripSize, stripe_mask;
@@ -977,6 +977,9 @@ MR_BuildRaidContext(struct megasas_instance *instance,
pRAID_Context->regLockRowLBA = regStart;
pRAID_Context->regLockLength = regSize;
pRAID_Context->configSeqNum = raid->seqNum;
/* save pointer to raid->LUN array */
*raidLUN = raid->LUN;
/*Get Phy Params only if FP capable, or else leave it to MR firmware
to do the calculation.*/