提交 506c9e44 编写于 作者: N NeilBrown

md: allow non-privileged uses to GET_*_INFO about raid arrays.

The info is already available in /proc/mdstat and /sys/block in
an accessible form so there is no point in putting a road-block in
the ioctl for information gathering.
Signed-off-by: NNeilBrown <neilb@suse.de>
上级 961902c0
......@@ -6054,8 +6054,15 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
struct mddev *mddev = NULL;
int ro;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
switch (cmd) {
case RAID_VERSION:
case GET_ARRAY_INFO:
case GET_DISK_INFO:
break;
default:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
}
/*
* Commands dealing with the RAID driver but not any
......
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