From ef96fdddcd386c88fee1f2078a174943472b615e Mon Sep 17 00:00:00 2001 From: Tapasweni Pathak Date: Wed, 8 Oct 2014 22:56:44 +0530 Subject: [PATCH] staging: lustre: lustre: llite: use DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. Coccinelle script used : // @haskernel@ @@ @depends on haskernel@ expression n,d; @@ ( - (n + d - 1) / d + DIV_ROUND_UP(n,d) | - (n + (d - 1)) / d + DIV_ROUND_UP(n,d) ) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP((n),d) + DIV_ROUND_UP(n,d) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP(n,(d)) + DIV_ROUND_UP(n,d) // Signed-off-by: Tapasweni Pathak Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/llite/rw26.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index 4c77ae8b9350..eac2131e6b85 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -417,7 +417,7 @@ static ssize_t ll_direct_IO_26(int rw, struct kiocb *iocb, result = iov_iter_get_pages_alloc(iter, &pages, count, &offs); if (likely(result > 0)) { - int n = (result + offs + PAGE_SIZE - 1) / PAGE_SIZE; + int n = DIV_ROUND_UP(result + offs, PAGE_SIZE); result = ll_direct_IO_26_seg(env, io, rw, inode, file->f_mapping, result, file_offset, -- 2.34.1