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[Cluster-devel] [PATCH] DLM: Fix static buffer alignment




Hi Steven,

gcc does not guarantee that a static buffer is 64bit aligned. This change allows sparc64 to mount and use gfs2.

Signed-off-by: Fabio M. Di Nitto <fabbione ubuntu com>

diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index f8c69dd..da653b5 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -58,7 +58,7 @@ static void copy_from_cb(void *dst, const void *base, unsigned offset,
 int dlm_process_incoming_buffer(int nodeid, const void *base,
 				unsigned offset, unsigned len, unsigned limit)
 {
-	unsigned char __tmp[DLM_INBUF_LEN];
+	unsigned char __tmp[DLM_INBUF_LEN] __attribute__((aligned(64)));
 	struct dlm_header *msg = (struct dlm_header *) __tmp;
 	int ret = 0;
 	int err = 0;


--
I'm going to make him an offer he can't refuse.


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