From: Maninder Singh <maninder1.s@samsung.com>
To: axboe@kernel.dk, linux-kernel@vger.kernel.org
Cc: pankaj.m@samsung.com, Maninder Singh <maninder1.s@samsung.com>
Subject: [PATCH 1/1] block: use FIELD_SIZEOF to calculate size of a field
Date: Tue, 07 Jul 2015 12:41:07 +0530
Message-id: <1436253067-22962-1-git-send-email-maninder1.s@samsung.com>
DLP-Filter: Pass
Sender: linux-kernel-owner@vger.kernel.org
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Lines: 28

use FIELD_SIZEOF instead of open coding

Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
---
 block/blk-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 688ae94..5a9792e 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -3298,7 +3298,7 @@ EXPORT_SYMBOL(blk_post_runtime_resume);
 int __init blk_dev_init(void)
 {
 	BUILD_BUG_ON(__REQ_NR_BITS > 8 *
-			sizeof(((struct request *)0)->cmd_flags));
+			FIELD_SIZEOF(struct request, cmd_flags));
 
 	/* used for unplugging and affects IO latency/throughput - HIGHPRI */
 	kblockd_workqueue = alloc_workqueue("kblockd",
-- 
1.7.9.5

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