common/blkdev: make get_block_device_int_property accept random property.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>

diff --git a/src/common/blkdev.cc b/src/common/blkdev.cc
index 056f0cc093c5a785ac77b9c0ef7ef0cfa82d3d82..3a1a398b1ee5d3452b0e3d112683ba056f4f57ec 100644 (file)
--- a/src/common/blkdev.cc
+++ b/src/common/blkdev.cc
@@ -147,7 +147,7 @@ int64_t get_block_device_int_property(const char *devname, const char *property)
     return r;
 
   snprintf(filename, sizeof(filename),
-          "%s/sys/block/%s/queue/discard_granularity", sandbox_dir, basename);
+          "%s/sys/block/%s/queue/%s", sandbox_dir, basename, property);
 
   FILE *fp = fopen(filename, "r");
   if (fp == NULL) {