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imsm: provide list of bad blocks for an array 

Provide list of bad blocks using memory allocated in advance so it's
safe to call it from monitor.

Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Tomasz Majchrzak 2016-12-02 13:54:15 +01:00 committed by Jes Sorensen
parent 4c9e8c1ea6
commit 928f142438
1 changed files with 39 additions and 0 deletions
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39
super-intel.c
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@ -393,6 +393,7 @@ struct intel_super {
struct intel_hba *hba; /* device path of the raid controller for this metadata */
const struct imsm_orom *orom; /* platform firmware support */
struct intel_super *next; /* (temp) list for disambiguating family_num */
struct md_bb bb; /* memory for get_bad_blocks call */
};
struct intel_disk {
@ -4283,6 +4284,7 @@ static void __free_imsm(struct intel_super *super, int free_disks)
static void free_imsm(struct intel_super *super)
{
__free_imsm(super, 1);
free(super->bb.entries);
free(super);
}
@ -4303,6 +4305,14 @@ static struct intel_super *alloc_super(void)
super->current_vol = -1;
super->create_offset = ~((unsigned long long) 0);
super->bb.entries = xmalloc(BBM_LOG_MAX_ENTRIES *
sizeof(struct md_bb_entry));
if (!super->bb.entries) {
free(super);
return NULL;
}
return super;
}
@ -9881,6 +9891,34 @@ static int imsm_clear_badblock(struct active_array *a, int slot,
return ret;
}
/*******************************************************************************
* Function: imsm_get_badblocks
* Description: This routine get list of bad blocks for an array
*
* Parameters:
* a : array
* slot : disk number
* Returns:
* bb : structure containing bad blocks
* NULL : error
******************************************************************************/
static struct md_bb *imsm_get_badblocks(struct active_array *a, int slot)
{
int inst = a->info.container_member;
struct intel_super *super = a->container->sb;
struct imsm_dev *dev = get_imsm_dev(super, inst);
struct imsm_map *map = get_imsm_map(dev, MAP_0);
int ord;
ord = imsm_disk_slot_to_ord(a, slot);
if (ord < 0)
return NULL;
get_volume_badblocks(super->bbm_log, ord_to_idx(ord), pba_of_lba0(map),
blocks_per_member(map), &super->bb);
return &super->bb;
}
/*******************************************************************************
* Function: init_migr_record_imsm
* Description: Function inits imsm migration record
@ -11436,5 +11474,6 @@ struct superswitch super_imsm = {
.prepare_update = imsm_prepare_update,
.record_bad_block = imsm_record_badblock,
.clear_bad_block = imsm_clear_badblock,
.get_bad_blocks = imsm_get_badblocks,
#endif /* MDASSEMBLE */
};