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From e48aed3c81a75fa3f761fb5b84e5d16f2baee709 Mon Sep 17 00:00:00 2001
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From: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
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Date: Tue, 17 Mar 2020 10:20:12 +0100
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Subject: [RHEL7.9 PATCH 65/71] imsm: support the Array Creation Time field in
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metadata
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Also present its value in --examine and --examine --export.
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Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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super-intel.c | 11 +++++++++--
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1 file changed, 9 insertions(+), 2 deletions(-)
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diff --git a/super-intel.c b/super-intel.c
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index 6680df2..8840fff 100644
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--- a/super-intel.c
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+++ b/super-intel.c
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@@ -260,8 +260,9 @@ struct imsm_super {
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* (starts at 1)
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*/
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__u16 filler1; /* 0x4E - 0x4F */
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-#define IMSM_FILLERS 34
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- __u32 filler[IMSM_FILLERS]; /* 0x50 - 0xD7 RAID_MPB_FILLERS */
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+ __u64 creation_time; /* 0x50 - 0x57 Array creation time */
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+#define IMSM_FILLERS 32
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+ __u32 filler[IMSM_FILLERS]; /* 0x58 - 0xD7 RAID_MPB_FILLERS */
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struct imsm_disk disk[1]; /* 0xD8 diskTbl[numDisks] */
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/* here comes imsm_dev[num_raid_devs] */
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/* here comes BBM logs */
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@@ -2014,6 +2015,7 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
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__u32 sum;
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__u32 reserved = imsm_reserved_sectors(super, super->disks);
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struct dl *dl;
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+ time_t creation_time;
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strncpy(str, (char *)mpb->sig, MPB_SIG_LEN);
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str[MPB_SIG_LEN-1] = '\0';
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@@ -2022,6 +2024,9 @@ static void examine_super_imsm(struct supertype *st, char *homehost)
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printf(" Orig Family : %08x\n", __le32_to_cpu(mpb->orig_family_num));
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printf(" Family : %08x\n", __le32_to_cpu(mpb->family_num));
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printf(" Generation : %08x\n", __le32_to_cpu(mpb->generation_num));
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+ creation_time = __le64_to_cpu(mpb->creation_time);
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+ printf(" Creation Time : %.24s\n",
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+ creation_time ? ctime(&creation_time) : "Unknown");
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printf(" Attributes : ");
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if (imsm_check_attributes(mpb->attributes))
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printf("All supported\n");
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@@ -2126,6 +2131,7 @@ static void export_examine_super_imsm(struct supertype *st)
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printf("MD_LEVEL=container\n");
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printf("MD_UUID=%s\n", nbuf+5);
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printf("MD_DEVICES=%u\n", mpb->num_disks);
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+ printf("MD_CREATION_TIME=%llu\n", __le64_to_cpu(mpb->creation_time));
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}
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static void detail_super_imsm(struct supertype *st, char *homehost,
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@@ -5762,6 +5768,7 @@ static int add_to_super_imsm_volume(struct supertype *st, mdu_disk_info_t *dk,
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sum += __gen_imsm_checksum(mpb);
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mpb->family_num = __cpu_to_le32(sum);
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mpb->orig_family_num = mpb->family_num;
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+ mpb->creation_time = __cpu_to_le64((__u64)time(NULL));
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}
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super->current_disk = dl;
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return 0;
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--
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2.7.5
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