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core: add LVM RAID1 support

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Closes 44534.
This commit is contained in:
Andrei Borzenkov 2015-03-19 21:30:27 +03:00
parent 7c9309e50a
commit 527eeeeee6
1 changed files with 15 additions and 9 deletions
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24
grub-core/disk/lvm.c
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@ -577,13 +577,17 @@ grub_lvm_detect (grub_disk_t disk,
if (is_pvmove) if (is_pvmove)
seg->node_count = 1; seg->node_count = 1;
} }
else if (grub_memcmp (p, "raid", sizeof ("raid") - 1) else if (grub_memcmp (p, "raid", sizeof ("raid") - 1) == 0
== 0 && (p[sizeof ("raid") - 1] >= '4' && ((p[sizeof ("raid") - 1] >= '4'
&& p[sizeof ("raid") - 1] <= '6') && p[sizeof ("raid") - 1] <= '6')
|| p[sizeof ("raid") - 1] == '1')
&& p[sizeof ("raidX") - 1] == '"') && p[sizeof ("raidX") - 1] == '"')
{ {
switch (p[sizeof ("raid") - 1]) switch (p[sizeof ("raid") - 1])
{ {
case '1':
seg->type = GRUB_DISKFILTER_MIRROR;
break;
case '4': case '4':
seg->type = GRUB_DISKFILTER_RAID4; seg->type = GRUB_DISKFILTER_RAID4;
seg->layout = GRUB_RAID_LAYOUT_LEFT_ASYMMETRIC; seg->layout = GRUB_RAID_LAYOUT_LEFT_ASYMMETRIC;
@ -608,16 +612,18 @@ grub_lvm_detect (grub_disk_t disk,
goto lvs_segment_fail; goto lvs_segment_fail;
} }
seg->stripe_size = grub_lvm_getvalue (&p, "stripe_size = "); if (seg->type != GRUB_DISKFILTER_MIRROR)
if (p == NULL)
{ {
seg->stripe_size = grub_lvm_getvalue (&p, "stripe_size = ");
if (p == NULL)
{
#ifdef GRUB_UTIL #ifdef GRUB_UTIL
grub_util_info ("unknown stripe_size\n"); grub_util_info ("unknown stripe_size\n");
#endif #endif
goto lvs_segment_fail; goto lvs_segment_fail;
}
} }
seg->nodes = grub_zalloc (sizeof (seg->nodes[0]) seg->nodes = grub_zalloc (sizeof (seg->nodes[0])
* seg->node_count); * seg->node_count);
@ -625,7 +631,7 @@ grub_lvm_detect (grub_disk_t disk,
if (p == NULL) if (p == NULL)
{ {
#ifdef GRUB_UTIL #ifdef GRUB_UTIL
grub_util_info ("unknown mirrors\n"); grub_util_info ("unknown raids\n");
#endif #endif
goto lvs_segment_fail2; goto lvs_segment_fail2;
} }