diff options
| author | Arnd Bergmann <arnd@relay.de.ibm.com> | 2010-08-11 23:13:57 -0400 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2010-08-11 23:13:57 -0400 |
| commit | 402ab352c2c00ba8f90c724565f8cf31210d99cf (patch) | |
| tree | d24566917708f1624a7af33bc049aa5dfb24e96c /drivers/md | |
| parent | 3f77316de0ec0fd208467fbee8d9edc70e2c73b2 (diff) | |
dm ioctl: use nonseekable_open
The dm control device does not implement read/write, so it has no use for
seeking. Using no_llseek prevents falling back to default_llseek, which
requires the BKL.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-ioctl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index feb64d65fbfb..3fd8f0e169e7 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c | |||
| @@ -1602,6 +1602,7 @@ static long dm_compat_ctl_ioctl(struct file *file, uint command, ulong u) | |||
| 1602 | #endif | 1602 | #endif |
| 1603 | 1603 | ||
| 1604 | static const struct file_operations _ctl_fops = { | 1604 | static const struct file_operations _ctl_fops = { |
| 1605 | .open = nonseekable_open, | ||
| 1605 | .unlocked_ioctl = dm_ctl_ioctl, | 1606 | .unlocked_ioctl = dm_ctl_ioctl, |
| 1606 | .compat_ioctl = dm_compat_ctl_ioctl, | 1607 | .compat_ioctl = dm_compat_ctl_ioctl, |
| 1607 | .owner = THIS_MODULE, | 1608 | .owner = THIS_MODULE, |