[10/78] Increase OSF partition limit from 8 to 18
From: Greg KH
Date: Mon Mar 21 2011 - 19:33:19 EST
2.6.38-stable review patch. If anyone has any objections, please let us know.
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
commit 34d211a2d5df4984a35b18d8ccacbe1d10abb067 upstream.
It turns out that while a maximum of 8 partitions may be what people
"should" have had, you can actually fit up to 18 entries(*) in a sector.
And some people clearly were taking advantage of that, like Michael
Cree, who had ten partitions on one of his OSF disks.
(*) The OSF partition data starts at byte offset 64 in the first sector,
and the array of 16-byte partition entries start at offset 148 in
the on-disk partition structure.
Reported-by: Michael Cree <mcree@xxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
fs/partitions/osf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
@@ -10,7 +10,7 @@
-#define MAX_OSF_PARTITIONS 8
+#define MAX_OSF_PARTITIONS 18
int osf_partition(struct parsed_partitions *state)
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