block: block_dump: Add number of sectors to debug output

San Mehat · Jens Axboe · commit 8dcbdc742fec · 2010-09-14T08:48:01.000+02:00
Signed-off-by: San Mehat &lt;san@android.com&gt;
Signed-off-by: Linus Walleij &lt;linus.walleij@stericsson.com&gt;
Signed-off-by: Jens Axboe &lt;jaxboe@fusionio.com&gt;
diff --git 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);
 		}
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -1612,11 +1612,12 @@ void submit_bio(int rw, struct bio *bio)`
`1612`	`1612`
`1613`	`1613`	`if (unlikely(block_dump)) {`
`1614`	`1614`	`char b[BDEVNAME_SIZE];`
`1615`		`- printk(KERN_DEBUG "%s(%d): %s block %Lu on %s\n",`
	`1615`	`+ printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n",`
`1616`	`1616`	`current->comm, task_pid_nr(current),`
`1617`	`1617`	`(rw & WRITE) ? "WRITE" : "READ",`
`1618`	`1618`	`(unsigned long long)bio->bi_sector,`
`1619`		`- bdevname(bio->bi_bdev, b));`
	`1619`	`+ bdevname(bio->bi_bdev, b),`
	`1620`	`+ count);`
`1620`	`1621`	`}`
`1621`	`1622`	`}`
`1622`	`1623`