procfs: reorder struct pid_dentry to save space on 64bit archs, and constify them

[powerpc.git] / fs / compat_ioctl.c

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index c81c958..464c04a 100644 (file)
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -266,6 +266,23 @@ static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
        return err;
 }
 
+static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+       struct compat_timespec __user *up = compat_ptr(arg);
+       struct timespec kts;
+       mm_segment_t old_fs = get_fs();
+       int err;
+
+       set_fs(KERNEL_DS);
+       err = sys_ioctl(fd, cmd, (unsigned long)&kts);
+       set_fs(old_fs);
+       if (!err) {
+               err = put_user(kts.tv_sec, &up->tv_sec);
+               err |= __put_user(kts.tv_nsec, &up->tv_nsec);
+       }
+       return err;
+}
+
 struct ifmap32 {
        compat_ulong_t mem_start;
        compat_ulong_t mem_end;
@@ -2379,6 +2396,14 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
 #define ULONG_IOCTL(cmd) \
        { (cmd), (ioctl_trans_handler_t)sys_ioctl },
 
+/* ioctl should not be warned about even if it's not implemented.
+   Valid reasons to use this:
+   - It is implemented with ->compat_ioctl on some device, but programs
+   call it on others too.
+   - The ioctl is not implemented in the native kernel, but programs
+   call it commonly anyways.
+   Most other reasons are not valid. */
+#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
 
 struct ioctl_trans ioctl_start[] = {
 #include <linux/compat_ioctl.h>
@@ -2437,6 +2462,7 @@ HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
+HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
 #endif
 #ifdef CONFIG_BLOCK
 HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)
@@ -2553,11 +2579,15 @@ HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
 /* wireless */
 HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCGIWPRIV, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCGIWSTATS, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCSIWMLME, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCSIWSCAN, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
@@ -2565,8 +2595,15 @@ HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCSIWGENIE, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCGIWGENIE, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCSIWENCODEEXT, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCGIWENCODEEXT, do_wireless_ioctl)
+HANDLE_IOCTL(SIOCSIWPMKSA, do_wireless_ioctl)
 HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
 HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
+/* Not implemented in the native kernel */
+IGNORE_IOCTL(SIOCGIFCOUNT)
 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
@@ -2590,6 +2627,15 @@ COMPATIBLE_IOCTL(LPRESET)
 /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/
 COMPATIBLE_IOCTL(LPGETFLAGS)
 HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans)
+
+/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
+   but we don't want warnings on other file systems. So declare
+   them as compatible here. */
+#define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
+#define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
+
+IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
+IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
 };
 
 int ioctl_table_size = ARRAY_SIZE(ioctl_start);