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authorGuoqing Jiang <gqjiang@suse.com>2015-10-16 15:40:22 +0800
committerNeilBrown <neilb@suse.com>2015-10-24 17:16:18 +1100
commitcf97a348c8f700e448588bad4de3504d8d65c2f9 (patch)
tree209df62d5ae4011cab2dd94d2996c243e535c31d /drivers/md/md-cluster.c
parentba2746b0facf83c62bebf8aed8f0a3fd446de612 (diff)
md-cluster: Fix warnings when build with CF=-D__CHECK_ENDIAN__
This patches fixes sparse warnings like incorrect type in assignment (different base types), cast to restricted __le64. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md/md-cluster.c')
-rw-r--r--drivers/md/md-cluster.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index aad5e7cda523..f42162c49e3b 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -81,13 +81,13 @@ enum msg_type {
};
struct cluster_msg {
- int type;
- int slot;
+ __le32 type;
+ __le32 slot;
/* TODO: Unionize this for smaller footprint */
- sector_t low;
- sector_t high;
+ __le64 low;
+ __le64 high;
char uuid[16];
- int raid_slot;
+ __le32 raid_slot;
};
static void sync_ast(void *arg)
@@ -215,7 +215,7 @@ static struct suspend_info *read_resync_info(struct mddev *mddev, struct dlm_loc
dlm_lock_sync(lockres, DLM_LOCK_CR);
memcpy(&ri, lockres->lksb.sb_lvbptr, sizeof(struct resync_info));
hi = le64_to_cpu(ri.hi);
- if (ri.hi > 0) {
+ if (hi > 0) {
s = kzalloc(sizeof(struct suspend_info), GFP_KERNEL);
if (!s)
goto out;
@@ -465,13 +465,14 @@ static void process_recvd_msg(struct mddev *mddev, struct cluster_msg *msg)
if (WARN(mddev->cluster_info->slot_number - 1 == le32_to_cpu(msg->slot),
"node %d received it's own msg\n", le32_to_cpu(msg->slot)))
return;
- switch (msg->type) {
+ switch (le32_to_cpu(msg->type)) {
case METADATA_UPDATED:
process_metadata_update(mddev, msg);
break;
case RESYNCING:
- process_suspend_info(mddev, msg->slot,
- msg->low, msg->high);
+ process_suspend_info(mddev, le32_to_cpu(msg->slot),
+ le64_to_cpu(msg->low),
+ le64_to_cpu(msg->high));
break;
case NEWDISK:
process_add_new_disk(mddev, msg);
@@ -483,7 +484,7 @@ static void process_recvd_msg(struct mddev *mddev, struct cluster_msg *msg)
process_readd_disk(mddev, msg);
break;
case BITMAP_NEEDS_SYNC:
- __recover_slot(mddev, msg->slot);
+ __recover_slot(mddev, le32_to_cpu(msg->slot));
break;
default:
pr_warn("%s:%d Received unknown message from %d\n",