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From 45c43276d02a32876c7e1f9f0d04580595141b3d Mon Sep 17 00:00:00 2001
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From: Blazej Kucman <blazej.kucman@intel.com>
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Date: Wed, 19 Feb 2020 11:13:17 +0100
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Subject: [RHEL7.9 PATCH 62/71] imsm: Remove --dump/--restore implementation
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Functionalities --dump and --restore are not supported.
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Remove dead code from imsm.
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Signed-off-by: Blazej Kucman <blazej.kucman@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 | 56 --------------------------------------------------------
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1 file changed, 56 deletions(-)
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diff --git a/super-intel.c b/super-intel.c
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index e4d2122..c9a1af5 100644
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--- a/super-intel.c
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+++ b/super-intel.c
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@@ -2128,61 +2128,6 @@ static void export_examine_super_imsm(struct supertype *st)
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printf("MD_DEVICES=%u\n", mpb->num_disks);
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}
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-static int copy_metadata_imsm(struct supertype *st, int from, int to)
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-{
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- /* The second last sector of the device contains
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- * the "struct imsm_super" metadata.
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- * This contains mpb_size which is the size in bytes of the
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- * extended metadata. This is located immediately before
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- * the imsm_super.
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- * We want to read all that, plus the last sector which
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- * may contain a migration record, and write it all
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- * to the target.
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- */
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- void *buf;
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- unsigned long long dsize, offset;
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- int sectors;
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- struct imsm_super *sb;
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- struct intel_super *super = st->sb;
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- unsigned int sector_size = super->sector_size;
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- unsigned int written = 0;
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-
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- if (posix_memalign(&buf, MAX_SECTOR_SIZE, MAX_SECTOR_SIZE) != 0)
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- return 1;
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-
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- if (!get_dev_size(from, NULL, &dsize))
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- goto err;
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-
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- if (lseek64(from, dsize-(2*sector_size), 0) < 0)
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- goto err;
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- if ((unsigned int)read(from, buf, sector_size) != sector_size)
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- goto err;
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- sb = buf;
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- if (strncmp((char*)sb->sig, MPB_SIGNATURE, MPB_SIG_LEN) != 0)
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- goto err;
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-
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- sectors = mpb_sectors(sb, sector_size) + 2;
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- offset = dsize - sectors * sector_size;
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- if (lseek64(from, offset, 0) < 0 ||
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- lseek64(to, offset, 0) < 0)
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- goto err;
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- while (written < sectors * sector_size) {
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- int n = sectors*sector_size - written;
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- if (n > 4096)
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- n = 4096;
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- if (read(from, buf, n) != n)
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- goto err;
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- if (write(to, buf, n) != n)
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- goto err;
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- written += n;
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- }
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- free(buf);
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- return 0;
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-err:
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- free(buf);
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- return 1;
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-}
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-
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static void detail_super_imsm(struct supertype *st, char *homehost,
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char *subarray)
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{
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@@ -12270,7 +12215,6 @@ struct superswitch super_imsm = {
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.reshape_super = imsm_reshape_super,
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.manage_reshape = imsm_manage_reshape,
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.recover_backup = recover_backup_imsm,
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- .copy_metadata = copy_metadata_imsm,
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.examine_badblocks = examine_badblocks_imsm,
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.match_home = match_home_imsm,
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.uuid_from_super= uuid_from_super_imsm,
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--
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2.7.5
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