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-rw-r--r--Grow.c27
-rw-r--r--super-intel.c6
2 files changed, 25 insertions, 8 deletions
diff --git a/Grow.c b/Grow.c
index 848a0629..88c8ad75 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1271,12 +1271,12 @@ static int reshape_array(char *container, int fd, char *devname,
struct supertype *st, struct mdinfo *info,
int force, char *backup_file, int quiet, int forked,
int restart);
-static int reshape_container(char *container, int cfd, char *devname,
+static int reshape_container(char *container, char *devname,
struct supertype *st,
struct mdinfo *info,
int force,
char *backup_file,
- int quiet);
+ int quiet, int restart);
int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
long long size,
@@ -1578,8 +1578,8 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
* number of devices (On-Line Capacity Expansion) must be
* performed at the level of the container
*/
- rv = reshape_container(container, fd, devname, st, &info,
- force, backup_file, quiet);
+ rv = reshape_container(container, devname, st, &info,
+ force, backup_file, quiet, 0);
frozen = 0;
} else {
/* get spare devices from external metadata
@@ -2135,19 +2135,20 @@ release:
return 1;
}
-int reshape_container(char *container, int cfd, char *devname,
+int reshape_container(char *container, char *devname,
struct supertype *st,
struct mdinfo *info,
int force,
char *backup_file,
- int quiet)
+ int quiet, int restart)
{
struct mdinfo *cc = NULL;
/* component_size is not meaningful for a container,
* so pass '-1' meaning 'no change'
*/
- if (reshape_super(st, -1, info->new_level,
+ if (!restart &&
+ reshape_super(st, -1, info->new_level,
info->new_layout, info->new_chunk,
info->array.raid_disks, info->delta_disks,
backup_file, devname, quiet)) {
@@ -2180,6 +2181,10 @@ int reshape_container(char *container, int cfd, char *devname,
* reshape it. reshape_array() will re-read the metadata
* so the next time through a different array should be
* ready for reshape.
+ * It is possible that the 'different' array will not
+ * be assembled yet. In that case we simple exit.
+ * When it is assembled, the mdadm which assembles it
+ * will take over the reshape.
*/
struct mdinfo *content;
int rv;
@@ -2219,8 +2224,9 @@ int reshape_container(char *container, int cfd, char *devname,
rv = reshape_array(container, fd, adev, st,
content, force,
- backup_file, quiet, 1, 0);
+ backup_file, quiet, 1, restart);
close(fd);
+ restart = 0;
if (rv)
break;
}
@@ -3334,6 +3340,11 @@ int Grow_continue(int mdfd, struct supertype *st, struct mdinfo *info,
if (st->ss->external) {
fmt_devname(buf, st->container_dev);
container = buf;
+ freeze(st);
+ if (info->reshape_active == 2)
+ return reshape_container(container, NULL,
+ st, info, 0, backup_file,
+ 0, 1);
}
return reshape_array(container, mdfd, "array", st, info, 1,
backup_file, 0, 0, 1);
diff --git a/super-intel.c b/super-intel.c
index b55f6ec0..90faf279 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -1764,6 +1764,12 @@ static void getinfo_super_imsm_volume(struct supertype *st, struct mdinfo *info,
info->new_layout = imsm_level_to_layout(info->new_level);
info->new_chunk = __le16_to_cpu(map->blocks_per_strip) << 9;
info->delta_disks = map->num_members - prev_map->num_members;
+ if (info->delta_disks) {
+ /* this needs to be applied to every array
+ * in the container.
+ */
+ info->reshape_active = 2;
+ }
/* We shape information that we give to md might have to be
* modify to cope with md's requirement for reshaping arrays.
* For example, when reshaping a RAID0, md requires it to be