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dev_manager: accept misalined vdo pools.

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Since lvm2 may create VDO pool virtual size aligned only on extent size
while VDO itself is just 4K aligned - we need to support such misalign.
This commit is contained in:
Zdenek Kabelac 2022-10-26 14:38:29 +02:00
parent 829ab01708
commit 2e79b005c2
2 changed files with 7 additions and 11 deletions
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8
lib/activate/dev_manager.c
View File

@ -277,7 +277,7 @@ static int _info_run(const char *dlid, struct dm_info *dminfo,
int dmtask;
int with_flush; /* TODO: arg for _info_run */
void *target = NULL;
uint64_t target_start, target_length, start, length, length_crop = 0;
uint64_t target_start, target_length, start, extent_size, length, length_crop = 0;
char *target_name, *target_params;
const char *devname;
@ -306,8 +306,8 @@ static int _info_run(const char *dlid, struct dm_info *dminfo,
/* Query status only for active device */
if (seg_status && dminfo->exists) {
start = length = seg_status->seg->lv->vg->extent_size;
start *= seg_status->seg->le;
extent_size = length = seg_status->seg->lv->vg->extent_size;
start = extent_size * seg_status->seg->le;
length *= _seg_len(seg_status->seg);
/* Uses max DM_THIN_MAX_METADATA_SIZE sectors for metadata device */
@ -328,6 +328,8 @@ static int _info_run(const char *dlid, struct dm_info *dminfo,
if ((start == target_start) &&
((length == target_length) ||
((lv_is_vdo_pool(seg_status->seg->lv)) && /* should fit within extent size */
(length < target_length) && ((length + extent_size) > target_length)) ||
(length_crop && (length_crop == target_length))))
break; /* Keep target_params when matching segment is found */

10
lib/metadata/vdo_manip.c
View File

@ -263,7 +263,6 @@ static int _format_vdo_pool_data_lv(struct logical_volume *data_lv,
return 0;
}
reformat:
if (*logical_size) {
logical_size_aligned = 0;
if (dm_snprintf(buf_args[args], sizeof(buf_args[0]), "--logical-size=" FMTu64 "K",
@ -374,13 +373,8 @@ reformat:
// align obtained size to extent size
logical_size_aligned = *logical_size / data_lv->vg->extent_size * data_lv->vg->extent_size;
if (*logical_size != logical_size_aligned) {
*logical_size = logical_size_aligned;
argv[1] = (char*) "--force";
args = 2;
reformating = 1;
log_verbose("Reformating VDO to align virtual size %s by extent size.",
display_size(data_lv->vg->cmd, *logical_size));
goto reformat;
log_debug("Using bigger VDO virtual size unaligned on extent size by %s.",
display_size(data_lv->vg->cmd, *logical_size - logical_size_aligned));
}
}