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* grub-core/disk/mdraid1x_linux.c (grub_mdraid_detect): Do not put

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elements with invlid index.
	* grub-core/disk/mdraid_linux.c (grub_mdraid_detect): Likewise.
	* grub-core/disk/raid.c (insert_array): Automatically reallocate
	members.
	* include/grub/raid.h (grub_raid_member): New struct.
	(grub_raid_array): Transform devices and start_sector into usage of
	grub_raid_member. All users updated
	(allocated_devs): New member.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-11-01 10:20:58 +01:00
parent 71574288a4
commit 3a1197cdb0
7 changed files with 88 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

19
grub-core/disk/raid6_recover.c
View file

@ -118,8 +118,9 @@ grub_raid6_recover (struct grub_raid_array *array, int disknr, int p,
bad1 = i;
else
{
if ((array->device[pos]) &&
(! grub_disk_read (array->device[pos], sector, 0, size, buf)))
if ((array->members[pos].device) &&
(! grub_disk_read (array->members[pos].device, sector,
0, size, buf)))
{
grub_raid_block_xor (pbuf, buf, size);
grub_raid_block_mul (raid6_table2[i][i], buf, size);
@ -148,21 +149,21 @@ grub_raid6_recover (struct grub_raid_array *array, int disknr, int p,
if (bad2 < 0)
{
/* One bad device */
if ((array->device[p]) &&
(! grub_disk_read (array->device[p], sector, 0, size, buf)))
if ((array->members[p].device) &&
(! grub_disk_read (array->members[p].device, sector, 0, size, buf)))
{
grub_raid_block_xor (buf, pbuf, size);
goto quit;
}
if (! array->device[q])
if (! array->members[q].device)
{
grub_error (GRUB_ERR_READ_ERROR, "not enough disk to restore");
goto quit;
}
grub_errno = GRUB_ERR_NONE;
if (grub_disk_read (array->device[q], sector, 0, size, buf))
if (grub_disk_read (array->members[q].device, sector, 0, size, buf))
goto quit;
grub_raid_block_xor (buf, qbuf, size);
@ -174,18 +175,18 @@ grub_raid6_recover (struct grub_raid_array *array, int disknr, int p,
/* Two bad devices */
grub_uint8_t c;
if ((! array->device[p]) || (! array->device[q]))
if ((! array->members[p].device) || (! array->members[q].device))
{
grub_error (GRUB_ERR_READ_ERROR, "not enough disk to restore");
goto quit;
}
if (grub_disk_read (array->device[p], sector, 0, size, buf))
if (grub_disk_read (array->members[p].device, sector, 0, size, buf))
goto quit;
grub_raid_block_xor (pbuf, buf, size);
if (grub_disk_read (array->device[q], sector, 0, size, buf))
if (grub_disk_read (array->members[q].device, sector, 0, size, buf))
goto quit;
grub_raid_block_xor (qbuf, buf, size);