linux-kernel - [PATCH] block: block_dump: Add number of sectors to debug output

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Date:	Wed, 8 Sep 2010 16:55:12 +0200
From:	Linus Walleij <linus.walleij@...ricsson.com>
To:	<linux-kernel@...r.kernel.org>
Cc:	San Mehat <san@...roid.com>, Jens Axboe <axboe@...nel.dk>,
	Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH] block: block_dump: Add number of sectors to debug output

From: San Mehat <san@...roid.com>

Cc: Jens Axboe <axboe@...nel.dk>
Signed-off-by: San Mehat <san@...roid.com>
Signed-off-by: Linus Walleij <linus.walleij@...ricsson.com>
---
Found this in the Android tree, apparently it has never been
upstreamed so doing that now.
---
 block/blk-core.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 29fd2cc..9b3d98e 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1612,11 +1612,12 @@ void submit_bio(int rw, struct bio *bio)
 
 		if (unlikely(block_dump)) {
 			char b[BDEVNAME_SIZE];
-			printk(KERN_DEBUG "%s(%d): %s block %Lu on %s\n",
+			printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n",
 			current->comm, task_pid_nr(current),
 				(rw & WRITE) ? "WRITE" : "READ",
 				(unsigned long long)bio->bi_sector,
-				bdevname(bio->bi_bdev, b));
+				bdevname(bio->bi_bdev, b),
+				count);
 		}
 	}
 
-- 
1.6.3.3

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