diff options
author | Keith Busch <keith.busch@intel.com> | 2014-04-02 15:45:37 -0600 |
---|---|---|
committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-04-10 17:06:11 -0400 |
commit | 4cc09e2dc4cbe6009c935b6f12a8376f09124bc5 (patch) | |
tree | 4ea0a01b784186dc31ffde1fc503742451f0390a /drivers | |
parent | b9afca3efb18a9b8392cb544a3e29e8b1168400c (diff) | |
download | linux-4cc09e2dc4cbe6009c935b6f12a8376f09124bc5.tar.bz2 |
NVMe: Add getgeo to block ops
Some programs require HDIO_GETGEO work, which requires we implement
getgeo.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/nvme-core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 2d69bfec95a4..596e2abd7971 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -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) |