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* disk/raid.c (insert_array): Select unique numbers for named arrays 

as well, for use as keys in the disk cache.
This commit is contained in:
Colin Watson 2010-08-02 09:51:23 -05:00
parent c7db243b92
commit a870a783be
2 changed files with 21 additions and 13 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2010-08-02 Colin Watson <cjwatson@ubuntu.com>
* disk/raid.c (insert_array): Select unique numbers for named arrays
as well, for use as keys in the disk cache.
2010-08-01 Robert Millan <rmh@gnu.org>
* util/grub.d/10_kfreebsd.in: Initialize ${kfreebsd_device} as the

29
disk/raid.c
View File

@ -528,25 +528,28 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
grub_memset (&array->device, 0, sizeof (array->device));
grub_memset (&array->start_sector, 0, sizeof (array->start_sector));
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->name && p->number == array->number)
break;
}
if (! array->name)
{
for (p = array_list; p != NULL; p = p->next)
{
if (! p->name && p->number == array->number)
break;
}
}
if (p)
if (array->name || p)
{
/* The number is already in use, so we need to find a new one. */
int i = 0;
/* The number is already in use, so we need to find a new one.
(Or, in the case of named arrays, the array doesn't have its
own number, but we need one that doesn't clash for use as a key
in the disk cache. */
int i = array->name ? 0x40000000 : 0;
while (1)
{
for (p = array_list; p != NULL; p = p->next)
{
if (! p->name && p->number == i)
if (p->number == i)
break;
}
@ -560,7 +563,7 @@ insert_array (grub_disk_t disk, struct grub_raid_array *new_array,
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)