[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-fsdevel
Subject: [PATCH 2/4] pmem: Add support for getgeo()
From: Ross Zwisler <ross.zwisler () linux ! intel ! com>
Date: 2014-08-27 21:12:00
Message-ID: 1409173922-7484-3-git-send-email-ross.zwisler () linux ! intel ! com
[Download RAW message or body]
Some programs require HDIO_GETGEO work, which requires we implement
getgeo. Based off of the work done to the NVMe driver in this commit:
commit 4cc09e2dc4cb ("NVMe: Add getgeo to block ops")
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
---
drivers/block/pmem.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/block/pmem.c b/drivers/block/pmem.c
index d366b9b..60bbe0d 100644
--- a/drivers/block/pmem.c
+++ b/drivers/block/pmem.c
@@ -50,6 +50,15 @@ struct pmem_device {
size_t size;
};
+static int pmem_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;
+}
+
/*
* direct translation from (pmem,sector) => void*
* We do not require that sector be page aligned.
@@ -176,6 +185,7 @@ out:
static const struct block_device_operations pmem_fops = {
.owner = THIS_MODULE,
+ .getgeo = pmem_getgeo,
};
/* Kernel module stuff */
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic