mdadm/SOURCES/0068-imsm-support-the-Array...

68 lines
2.6 KiB
Diff

From e48aed3c81a75fa3f761fb5b84e5d16f2baee709 Mon Sep 17 00:00:00 2001
From: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Date: Tue, 17 Mar 2020 10:20:12 +0100
Subject: [RHEL7.9 PATCH 68/77] imsm: support the Array Creation Time field in
metadata
Also present its value in --examine and --examine --export.
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
super-intel.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index 6680df2..8840fff 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -260,8 +260,9 @@ struct imsm_super {
* (starts at 1)
*/
__u16 filler1; /* 0x4E - 0x4F */
-#define IMSM_FILLERS 34
- __u32 filler[IMSM_FILLERS]; /* 0x50 - 0xD7 RAID_MPB_FILLERS */
+ __u64 creation_time; /* 0x50 - 0x57 Array creation time */
+#define IMSM_FILLERS 32
+ __u32 filler[IMSM_FILLERS]; /* 0x58 - 0xD7 RAID_MPB_FILLERS */
struct imsm_disk disk[1]; /* 0xD8 diskTbl[numDisks] */
/* here comes imsm_dev[num_raid_devs] */
/* here comes BBM logs */
@@ -2014,6 +2015,7 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
__u32 sum;
__u32 reserved = imsm_reserved_sectors(super, super->disks);
struct dl *dl;
+ time_t creation_time;
strncpy(str, (char *)mpb->sig, MPB_SIG_LEN);
str[MPB_SIG_LEN-1] = '\0';
@@ -2022,6 +2024,9 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
printf(" Orig Family : %08x\n", __le32_to_cpu(mpb->orig_family_num));
printf(" Family : %08x\n", __le32_to_cpu(mpb->family_num));
printf(" Generation : %08x\n", __le32_to_cpu(mpb->generation_num));
+ creation_time = __le64_to_cpu(mpb->creation_time);
+ printf(" Creation Time : %.24s\n",
+ creation_time ? ctime(&creation_time) : "Unknown");
printf(" Attributes : ");
if (imsm_check_attributes(mpb->attributes))
printf("All supported\n");
@@ -2126,6 +2131,7 @@ static void export_examine_super_imsm(struct supertype *st)
printf("MD_LEVEL=container\n");
printf("MD_UUID=%s\n", nbuf+5);
printf("MD_DEVICES=%u\n", mpb->num_disks);
+ printf("MD_CREATION_TIME=%llu\n", __le64_to_cpu(mpb->creation_time));
}
static void detail_super_imsm(struct supertype *st, char *homehost,
@@ -5762,6 +5768,7 @@ static int add_to_super_imsm_volume(struct supertype *st, mdu_disk_info_t *dk,
sum += __gen_imsm_checksum(mpb);
mpb->family_num = __cpu_to_le32(sum);
mpb->orig_family_num = mpb->family_num;
+ mpb->creation_time = __cpu_to_le64((__u64)time(NULL));
}
super->current_disk = dl;
return 0;
--
2.7.5