diff options
| author |   NeilBrown <neilb@suse.de> | 2011-12-23 10:17:26 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-12-23 10:17:26 +1100 |
| commit | 506c9e44a85f6a79fc0643f2d2498ab6cda3d3f8 (patch) | |
| tree | 94dd7741a688b2c57494819ca3a22d228462ff98 /drivers/md/md.c | |
| parent | md/bitmap: It is OK to clear bits during recovery. (diff) | |
| download | linux-dev-506c9e44a85f6a79fc0643f2d2498ab6cda3d3f8.tar.xz linux-dev-506c9e44a85f6a79fc0643f2d2498ab6cda3d3f8.zip | |
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: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index f47f1f8ac44b..004d8e5b2a57 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -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 |