[PATCH 16/34] FIX: Use sysfs to change array parameters
From: Adam Kwolek <hidden>
Date: 2011-01-04 14:37:44
Subsystem:
the rest · Maintainer:
Linus Torvalds
For external metadata parameters has to be changed via sysfs. i.e. change of raid_disks requires handshake mdmon<->md (md_allow_write()) Signed-off-by: Adam Kwolek <redacted> --- Grow.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/Grow.c b/Grow.c
index c72b89f..dae9bbf 100644
--- a/Grow.c
+++ b/Grow.c@@ -1896,7 +1896,8 @@ static int reshape_array(char *container, int fd, char *devname, sync_metadata(st); if (info->array.chunk_size == info->new_chunk && - reshape.before.layout == reshape.after.layout) { + reshape.before.layout == reshape.after.layout && + st->ss->external == 0) { array.raid_disks = reshape.after.raid_disks; if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) { int err = errno;