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Commit 4cc09e2d authored by Keith Busch's avatar Keith Busch Committed by Matthew Wilcox
Browse files

NVMe: Add getgeo to block ops 



Some programs require HDIO_GETGEO work, which requires we implement
getgeo.

Signed-off-by: default avatarKeith Busch <keith.busch@intel.com>
Signed-off-by: default avatarMatthew Wilcox <matthew.r.wilcox@intel.com>
parent b9afca3e

drivers/block/nvme-core.c

+11 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/errno.h>

#include <linux/fs.h>

#include <linux/genhd.h>

#include <linux/hdreg.h>

#include <linux/idr.h>

#include <linux/init.h>

#include <linux/interrupt.h>
@@ -1714,12 +1715,22 @@ static void nvme_release(struct gendisk *disk, fmode_t mode) 
	kref_put(&dev->kref, nvme_free_dev);

}



static int nvme_getgeo(struct block_device *bd, struct hd_geometry *geo)

{

	/* some standard values */

	geo->heads = 1 << 6;

	geo->sectors = 1 << 5;

	geo->cylinders = get_capacity(bd->bd_disk) >> 11;

	return 0;

}



static const struct block_device_operations nvme_fops = {

	.owner		= THIS_MODULE,

	.ioctl		= nvme_ioctl,

	.compat_ioctl	= nvme_compat_ioctl,

	.open		= nvme_open,

	.release	= nvme_release,

	.getgeo		= nvme_getgeo,

};



static void nvme_resubmit_bios(struct nvme_queue *nvmeq)