leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

block: replace bd_set_size with bd_set_nr_sectors

Browse Source 
Replace bd_set_size with a version that takes the number of sectors
instead, as that fits most of the current and future callers much better.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-08-23 11:10:41 +02:00 committed by Jens Axboe
parent db04e18dbb
commit 611bee526b
6 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/block/loop.c
View File

@ -253,7 +253,7 @@ static void loop_set_size(struct loop_device *lo, loff_t size)
{
struct block_device *bdev = lo->lo_device;
bd_set_size(bdev, size << SECTOR_SHIFT);
bd_set_nr_sectors(bdev, size);
set_capacity_revalidate_and_notify(lo->lo_disk, size, false);
}
@ -1251,7 +1251,7 @@ static int __loop_clr_fd(struct loop_device *lo, bool release)
set_capacity(lo->lo_disk, 0);
loop_sysfs_exit(lo);
if (bdev) {
bd_set_size(bdev, 0);
bd_set_nr_sectors(bdev, 0);
/* let user-space know about this change */
kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
}

7
drivers/block/nbd.c
View File

@ -300,6 +300,7 @@ static void nbd_size_update(struct nbd_device *nbd)
{
struct nbd_config *config = nbd->config;
struct block_device *bdev = bdget_disk(nbd->disk, 0);
sector_t nr_sectors = config->bytesize >> 9;
if (config->flags & NBD_FLAG_SEND_TRIM) {
nbd->disk->queue->limits.discard_granularity = config->blksize;
@ -308,10 +309,10 @@ static void nbd_size_update(struct nbd_device *nbd)
}
blk_queue_logical_block_size(nbd->disk->queue, config->blksize);
blk_queue_physical_block_size(nbd->disk->queue, config->blksize);
set_capacity(nbd->disk, config->bytesize >> 9);
set_capacity(nbd->disk, nr_sectors);
if (bdev) {
if (bdev->bd_disk) {
bd_set_size(bdev, config->bytesize);
bd_set_nr_sectors(bdev, nr_sectors);
set_blocksize(bdev, config->blksize);
} else
bdev->bd_invalidated = 1;
@ -1138,7 +1139,7 @@ static void nbd_bdev_reset(struct block_device *bdev)
{
if (bdev->bd_openers > 1)
return;
bd_set_size(bdev, 0);
bd_set_nr_sectors(bdev, 0);
}
static void nbd_parse_flags(struct nbd_device *nbd)

2
drivers/block/pktcdvd.c
View File

@ -2192,7 +2192,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
set_capacity(pd->disk, lba << 2);
set_capacity(pd->bdev->bd_disk, lba << 2);
bd_set_size(pd->bdev, (loff_t)lba << 11);
bd_set_nr_sectors(pd->bdev, lba << 2);
q = bdev_get_queue(pd->bdev);
if (write) {

2
drivers/nvme/host/nvme.h
View File

@ -688,7 +688,7 @@ static inline void nvme_mpath_update_disk_size(struct gendisk *disk)
struct block_device *bdev = bdget_disk(disk, 0);
if (bdev) {
bd_set_size(bdev, get_capacity(disk) << SECTOR_SHIFT);
bd_set_nr_sectors(bdev, get_capacity(disk));
bdput(bdev);
}
}

10
fs/block_dev.c
View File

@ -1371,13 +1371,13 @@ int check_disk_change(struct block_device *bdev)
EXPORT_SYMBOL(check_disk_change);
void bd_set_size(struct block_device *bdev, loff_t size)
void bd_set_nr_sectors(struct block_device *bdev, sector_t sectors)
{
inode_lock(bdev->bd_inode);
i_size_write(bdev->bd_inode, size);
i_size_write(bdev->bd_inode, (loff_t)sectors << SECTOR_SHIFT);
inode_unlock(bdev->bd_inode);
}
EXPORT_SYMBOL(bd_set_size);
EXPORT_SYMBOL(bd_set_nr_sectors);
static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
@ -1514,7 +1514,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, void *holder,
}
if (!ret) {
bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
bd_set_nr_sectors(bdev, get_capacity(disk));
set_init_blocksize(bdev);
}
@ -1542,7 +1542,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, void *holder,
ret = -ENXIO;
goto out_clear;
}
bd_set_size(bdev, (loff_t)bdev->bd_part->nr_sects << 9);
bd_set_nr_sectors(bdev, bdev->bd_part->nr_sects);
set_init_blocksize(bdev);
}

2
include/linux/genhd.h
View File

@ -375,7 +375,7 @@ void unregister_blkdev(unsigned int major, const char *name);
int revalidate_disk(struct gendisk *disk);
int check_disk_change(struct block_device *bdev);
int __invalidate_device(struct block_device *bdev, bool kill_dirty);
void bd_set_size(struct block_device *bdev, loff_t size);
void bd_set_nr_sectors(struct block_device *bdev, sector_t sectors);
/* for drivers/char/raw.c: */
int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);