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2009-11-06 Felix Zielcke <fzielcke@z-51.de>

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* disk/dmraid_nvidia.c (grub_dmraid_nv_detect): Set array->name to NULL.
	* disk/mdraid_linux.c (grub_raid_super_1x): New structure.
	(WriteMostly1): New macro.
	Set array->name to NULL for metadata format 0.90.  Add support for
	metadata 1.x.  Fix some comments.
	* disk/raid.c (): Add support for name based RAID arrays.  Fix a
	few comments.
	* util/getroot.c (grub_util_get_grub_dev): Add support for
	/dev/md/name style devices.
This commit is contained in:
Felix Zielcke 2009-11-08 01:57:17 +01:00
parent c926e1d585
commit c8ec30a0a4
5 changed files with 252 additions and 43 deletions
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74
disk/raid.c
View file

@ -1,7 +1,7 @@
/* raid.c - module to read RAID arrays. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -480,7 +480,7 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
struct grub_raid_array *array = 0, *p;
/* See whether the device is part of an array we have already seen a
device from. */
device from. */
for (p = array_list; p != NULL; p = p->next)
if ((p->uuid_len == new_array->uuid_len) &&
(! grub_memcmp (p->uuid, new_array->uuid, p->uuid_len)))
@ -491,7 +491,7 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
/* Do some checks before adding the device to the array. */
/* FIXME: Check whether the update time of the superblocks are
the same. */
the same. */
if (array->total_devs == array->nr_devs)
/* We found more members of the array than the array
@ -502,7 +502,7 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
if (array->device[new_array->index] != NULL)
/* We found multiple devices with the same number. Again,
this shouldn't happen.*/
this shouldn't happen. */
grub_dprintf ("raid", "Found two disks with the number %d?!?",
new_array->number);
@ -525,47 +525,55 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
array->nr_devs = 0;
grub_memset (&array->device, 0, sizeof (array->device));
/* Check whether we don't have multiple arrays with the same number. */
if (array->name)
goto skip_duplicate_check;
/* Check whether we don't have multiple arrays with the same number. */
for (p = array_list; p != NULL; p = p->next)
{
if (p->number == array->number)
break;
if (p->number == array->number)
break;
}
if (p)
{
/* The number is already in use, so we need to find an new number. */
/* The number is already in use, so we need to find a new one. */
int i = 0;
while (1)
{
for (p = array_list; p != NULL; p = p->next)
{
if (p->number == i)
break;
}
while (1)
{
for (p = array_list; p != NULL; p = p->next)
{
if (p->number == i)
break;
}
if (!p)
{
/* We found an unused number. */
array->number = i;
break;
}
if (! p)
{
/* We found an unused number. */
array->number = i;
break;
}
i++;
}
}
array->name = grub_malloc (13);
i++;
}
}
skip_duplicate_check:
/* mdraid 1.x superblocks have only a name stored not a number.
Use it directly as GRUB device. */
if (! array->name)
{
grub_free (array->uuid);
grub_free (array);
{
array->name = grub_malloc (13);
if (! array->name)
{
grub_free (array->uuid);
grub_free (array);
return grub_errno;
}
grub_sprintf (array->name, "md%d", array->number);
return grub_errno;
}
grub_sprintf (array->name, "md%d", array->number);
}
else
grub_sprintf (array->name, "%s", array->name);
grub_dprintf ("raid", "Found array %s (%s)\n", array->name,
scanner_name);