minixfs: fix block limit check
On minix2 and minix3 usually max_size is 7fffffff and the check in question prohibits creation of last block spanning right before 7fffffff, due to downward rounding during the division. Fix it by using multiplication instead. [akpm@linux-foundation.org: fix up code layout, use local `sb'] Signed-off-by: NVladimir Serbinenko <phcoder@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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