[PATCH] fix hard-coded disk header chunk size for persistent snapshot
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From: Tomohiro Kusumi on 11 May 2010 21:30 Hi, This patch fixes hard-coded value for the size of a chunk that includes disk header for persistent snapshot. It should be changed to existing macro NUM_SNAPSHOT_HDR_CHUNKS instead of using hard-coded value 1. Thanks, Tomohiro Kusumi Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro(a)jp.fujitsu.com> --- diff -aNur linux-2.6.34-rc7.org/drivers/md/dm-snap-persistent.c linux-2.6.34-rc7/drivers/md/dm-snap-persistent.c --- linux-2.6.34-rc7.org/drivers/md/dm-snap-persistent.c 2010-05-10 10:36:28.000000000 +0900 +++ linux-2.6.34-rc7/drivers/md/dm-snap-persistent.c 2010-05-12 09:21:50.000000000 +0900 @@ -266,7 +266,7 @@ */ static chunk_t area_location(struct pstore *ps, chunk_t area) { - return 1 + ((ps->exceptions_per_area + 1) * area); + return NUM_SNAPSHOT_HDR_CHUNKS + ((ps->exceptions_per_area + 1) * area); } /* -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |