[PATCH RESEND] IMSM: Do not update metadata if not able to migrate
DORMANTno replies
From: Pawel Baldysiak <hidden>
Date: 2016-12-22 12:10:47
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch prevents mdadm from updating metadata if migration is not possible. The same check is done in analyse_change(), but in that place - metadata is already modified. Signed-off-by: Pawel Baldysiak <redacted> --- super-intel.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/super-intel.c b/super-intel.c
index 0407d43..5e58672 100644
--- a/super-intel.c
+++ b/super-intel.c@@ -10808,6 +10808,11 @@ enum imsm_reshape_type imsm_analyze_change(struct supertype *st, pr_err("Error. Chunk size change for RAID 10 is not supported.\n"); change = -1; goto analyse_change_exit; + } else if (info.component_size % (geo->chunksize/512)) { + pr_err("New chunk size (%dK) does not evenly divide device size (%lluk). Aborting...\n", + geo->chunksize/1024, info.component_size/2); + change = -1; + goto analyse_change_exit; } change = CH_MIGRATION; } else {
--
2.9.3