64 lines
1.6 KiB
Diff
64 lines
1.6 KiB
Diff
|
---
|
||
|
|
mdadm.h | 1 +
|
||
|
|
super-intel.c | 4 ++++
|
||
|
|
util.c | 25 +++++++++++++++++++++++++
|
||
|
|
3 files changed, 30 insertions(+)
|
||
|
|
|
||
|
|
--- mdadm-3.0.3.orig/mdadm.h
|
||
|
|
+++ mdadm-3.0.3/mdadm.h
|
||
|
|
@@ -820,6 +820,7 @@ extern int enough(int level, int raid_di
|
||
|
|
extern int ask(char *mesg);
|
||
|
|
extern unsigned long long get_component_size(int fd);
|
||
|
|
extern void remove_partitions(int fd);
|
||
|
|
+extern int test_partition(int fd);
|
||
|
|
extern unsigned long long calc_array_size(int level, int raid_disks, int layout,
|
||
|
|
int chunksize, unsigned long long devsize);
|
||
|
|
extern int flush_metadata_updates(struct supertype *st);
|
||
|
|
--- mdadm-3.0.3.orig/super-intel.c
|
||
|
|
+++ mdadm-3.0.3/super-intel.c
|
||
|
|
@@ -2582,6 +2582,10 @@ static int load_super_imsm(struct supert
|
||
|
|
return 0;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
+ if (test_partition(fd))
|
||
|
|
+ /* IMSM not allowed on partitions */
|
||
|
|
+ return 1;
|
||
|
|
+
|
||
|
|
free_super_imsm(st);
|
||
|
|
|
||
|
|
super = alloc_super(0);
|
||
|
|
--- mdadm-3.0.3.orig/util.c
|
||
|
|
+++ mdadm-3.0.3/util.c
|
||
|
|
@@ -168,6 +168,31 @@ void remove_partitions(int fd)
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
+int test_partition(int fd)
|
||
|
|
+{
|
||
|
|
+ /* Check if fd is a whole-disk or a partition.
|
||
|
|
+ * BLKPG will return EINVAL on a partition, and BLKPG_DEL_PARTITION
|
||
|
|
+ * will return ENXIO on an invalid partition number.
|
||
|
|
+ */
|
||
|
|
+ struct blkpg_ioctl_arg a;
|
||
|
|
+ struct blkpg_partition p;
|
||
|
|
+ a.op = BLKPG_DEL_PARTITION;
|
||
|
|
+ a.data = (void*)&p;
|
||
|
|
+ a.datalen = sizeof(p);
|
||
|
|
+ a.flags = 0;
|
||
|
|
+ memset(a.data, 0, a.datalen);
|
||
|
|
+ p.pno = 1<<30;
|
||
|
|
+ if (ioctl(fd, BLKPG, &a) == 0)
|
||
|
|
+ /* Very unlikely, but not a partition */
|
||
|
|
+ return 0;
|
||
|
|
+ if (errno == ENXIO)
|
||
|
|
+ /* not a partition */
|
||
|
|
+ return 0;
|
||
|
|
+
|
||
|
|
+ return 1;
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
+
|
||
|
|
int enough(int level, int raid_disks, int layout, int clean,
|
||
|
|
char *avail, int avail_disks)
|
||
|
|
{
|