diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-03-24 10:25:12 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-03-24 16:57:07 +0300 |
| commit | 5cbd28e3cef14b43b2a8271d36b75fc61c13bb8a (patch) | |
| tree | 3c2243343e2631c9129f3f663c450de6f92b00ca | |
| parent | ea3edd4dc23027083fbb4a73b65114d08fe73a76 (diff) | |
| download | linux-5cbd28e3cef14b43b2a8271d36b75fc61c13bb8a.tar.xz | |
block: move disk_name and related helpers out of partition-generic.c
Thes functions aren't really related to partition support, so move them
to a more suitable place.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/bio.c | 6 | ||||
| -rw-r--r-- | block/genhd.c | 21 | ||||
| -rw-r--r-- | block/partition-generic.c | 32 |
3 files changed, 27 insertions, 32 deletions
diff --git a/block/bio.c b/block/bio.c index 0985f3422556..209715765a7a 100644 --- a/block/bio.c +++ b/block/bio.c @@ -680,6 +680,12 @@ struct bio *bio_clone_fast(struct bio *bio, gfp_t gfp_mask, struct bio_set *bs) } EXPORT_SYMBOL(bio_clone_fast); +const char *bio_devname(struct bio *bio, char *buf) +{ + return disk_name(bio->bi_disk, bio->bi_partno, buf); +} +EXPORT_SYMBOL(bio_devname); + static inline bool page_is_mergeable(const struct bio_vec *bv, struct page *page, unsigned int len, unsigned int off, bool *same_page) diff --git a/block/genhd.c b/block/genhd.c index c5d20a48b4de..2484348d1850 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -69,6 +69,27 @@ void set_capacity_revalidate_and_notify(struct gendisk *disk, sector_t size, EXPORT_SYMBOL_GPL(set_capacity_revalidate_and_notify); +/* + * Format the device name of the indicated disk into the supplied buffer and + * return a pointer to that same buffer for convenience. + */ +char *disk_name(struct gendisk *hd, int partno, char *buf) +{ + if (!partno) + snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name); + else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) + snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno); + else + snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno); + + return buf; +} + +const char *bdevname(struct block_device *bdev, char *buf) +{ + return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf); +} +EXPORT_SYMBOL(bdevname); void part_inc_in_flight(struct request_queue *q, struct hd_struct *part, int rw) { diff --git a/block/partition-generic.c b/block/partition-generic.c index 98256e6beabb..6bf5aec2a0dc 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -25,38 +25,6 @@ extern void md_autodetect_dev(dev_t dev); #endif -/* - * disk_name() is used by partition check code and the genhd driver. - * It formats the devicename of the indicated disk into - * the supplied buffer (of size at least 32), and returns - * a pointer to that same buffer (for convenience). - */ - -char *disk_name(struct gendisk *hd, int partno, char *buf) -{ - if (!partno) - snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name); - else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) - snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno); - else - snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno); - - return buf; -} - -const char *bdevname(struct block_device *bdev, char *buf) -{ - return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf); -} - -EXPORT_SYMBOL(bdevname); - -const char *bio_devname(struct bio *bio, char *buf) -{ - return disk_name(bio->bi_disk, bio->bi_partno, buf); -} -EXPORT_SYMBOL(bio_devname); - static ssize_t part_partition_show(struct device *dev, struct device_attribute *attr, char *buf) { |