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imsm: Remove --dump/--restore implementation 

Functionalities --dump and --restore are not supported.
Remove dead code from imsm.

Signed-off-by: Blazej Kucman <blazej.kucman@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
This commit is contained in:
Blazej Kucman 2020-02-19 11:13:17 +01:00 committed by Jes Sorensen
parent 3364781b92
commit 45c43276d0
1 changed files with 0 additions and 56 deletions
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56
super-intel.c
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@ -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,