From 45c43276d02a32876c7e1f9f0d04580595141b3d Mon Sep 17 00:00:00 2001 From: Blazej Kucman Date: Wed, 19 Feb 2020 11:13:17 +0100 Subject: [RHEL7.9 PATCH 65/77] imsm: Remove --dump/--restore implementation Functionalities --dump and --restore are not supported. Remove dead code from imsm. Signed-off-by: Blazej Kucman Signed-off-by: Jes Sorensen --- super-intel.c | 56 -------------------------------------------------------- 1 file changed, 56 deletions(-) diff --git a/super-intel.c b/super-intel.c index e4d2122..c9a1af5 100644 --- a/super-intel.c +++ b/super-intel.c @@ -2128,61 +2128,6 @@ static void export_examine_super_imsm(struct supertype *st) printf("MD_DEVICES=%u\n", mpb->num_disks); } -static int copy_metadata_imsm(struct supertype *st, int from, int to) -{ - /* The second last sector of the device contains - * the "struct imsm_super" metadata. - * This contains mpb_size which is the size in bytes of the - * extended metadata. This is located immediately before - * the imsm_super. - * We want to read all that, plus the last sector which - * may contain a migration record, and write it all - * to the target. - */ - void *buf; - unsigned long long dsize, offset; - int sectors; - struct imsm_super *sb; - struct intel_super *super = st->sb; - unsigned int sector_size = super->sector_size; - unsigned int written = 0; - - if (posix_memalign(&buf, MAX_SECTOR_SIZE, MAX_SECTOR_SIZE) != 0) - return 1; - - if (!get_dev_size(from, NULL, &dsize)) - goto err; - - if (lseek64(from, dsize-(2*sector_size), 0) < 0) - goto err; - if ((unsigned int)read(from, buf, sector_size) != sector_size) - goto err; - sb = buf; - if (strncmp((char*)sb->sig, MPB_SIGNATURE, MPB_SIG_LEN) != 0) - goto err; - - sectors = mpb_sectors(sb, sector_size) + 2; - offset = dsize - sectors * sector_size; - if (lseek64(from, offset, 0) < 0 || - lseek64(to, offset, 0) < 0) - goto err; - while (written < sectors * sector_size) { - int n = sectors*sector_size - written; - if (n > 4096) - n = 4096; - if (read(from, buf, n) != n) - goto err; - if (write(to, buf, n) != n) - goto err; - written += n; - } - free(buf); - return 0; -err: - free(buf); - return 1; -} - static void detail_super_imsm(struct supertype *st, char *homehost, char *subarray) { @@ -12270,7 +12215,6 @@ struct superswitch super_imsm = { .reshape_super = imsm_reshape_super, .manage_reshape = imsm_manage_reshape, .recover_backup = recover_backup_imsm, - .copy_metadata = copy_metadata_imsm, .examine_badblocks = examine_badblocks_imsm, .match_home = match_home_imsm, .uuid_from_super= uuid_from_super_imsm, -- 2.7.5