Messages in this thread Patch in this message | | | From | "Rafael J. Wysocki" <> | Subject | [PATCH] vt: add TIOCL_GETKMSGREDIRECT | Date | Thu, 30 Mar 2006 18:58:26 +0200 |
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Add TIOCL_GETKMSGREDIRECT needed by the userland suspend tool to get the current value of kmsg_redirect from the kernel so that it can save it and restore it after resume.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> --- drivers/char/vt.c | 4 ++++ include/linux/tiocl.h | 1 + 2 files changed, 5 insertions(+)
Index: linux-2.6.16-mm1/drivers/char/vt.c =================================================================== --- linux-2.6.16-mm1.orig/drivers/char/vt.c +++ linux-2.6.16-mm1/drivers/char/vt.c @@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, un case TIOCL_SETVESABLANK: set_vesa_blanking(p); break; + case TIOCL_GETKMSGREDIRECT: + data = kmsg_redirect; + ret = __put_user(data, p); + break; case TIOCL_SETKMSGREDIRECT: if (!capable(CAP_SYS_ADMIN)) { ret = -EPERM; Index: linux-2.6.16-mm1/include/linux/tiocl.h =================================================================== --- linux-2.6.16-mm1.orig/include/linux/tiocl.h +++ linux-2.6.16-mm1/include/linux/tiocl.h @@ -34,5 +34,6 @@ struct tiocl_selection { #define TIOCL_SCROLLCONSOLE 13 /* scroll console */ #define TIOCL_BLANKSCREEN 14 /* keep screen blank even if a key is pressed */ #define TIOCL_BLANKEDSCREEN 15 /* return which vt was blanked */ +#define TIOCL_GETKMSGREDIRECT 17 /* get the vt the kernel messages are restricted to */ #endif /* _LINUX_TIOCL_H */
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