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vsprintf: use bd_partno in bdev_name 

No need to go through the hd_struct to find the partition number.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
zero-sugar-mainline-defconfig
Christoph Hellwig 2020-09-03 07:41:04 +02:00 committed by Jens Axboe
parent 8a63a86e1f
commit 700cd59db5
1 changed files with 2 additions and 2 deletions
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4
lib/vsprintf.c
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@ -940,13 +940,13 @@ char *bdev_name(char *buf, char *end, struct block_device *bdev,
hd = bdev->bd_disk;
buf = string(buf, end, hd->disk_name, spec);
if (bdev->bd_part->partno) {
if (bdev->bd_partno) {
if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) {
if (buf < end)
*buf = 'p';
buf++;
}
buf = number(buf, end, bdev->bd_part->partno, spec);
buf = number(buf, end, bdev->bd_partno, spec);
}
return buf;
}