X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fsysrq.c;h=6de020d078e1c4a746a56e281c2db2a19bc610fa;hb=8302294f43250dc337108c51882a6007f2b1e2e0;hp=30659ce9bcf4993d299e24019c67ff6a47caea13;hpb=2e572895bf3203e881356a4039ab0fa428ed2639;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 30659ce9bcf..6de020d078e 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -35,7 +35,7 @@
 #include <linux/vt_kern.h>
 #include <linux/workqueue.h>
 #include <linux/kexec.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/hrtimer.h>
 #include <linux/oom.h>
 
@@ -346,6 +346,19 @@ static struct sysrq_key_op sysrq_moom_op = {
 	.enable_mask	= SYSRQ_ENABLE_SIGNAL,
 };
 
+#ifdef CONFIG_BLOCK
+static void sysrq_handle_thaw(int key, struct tty_struct *tty)
+{
+	emergency_thaw_all();
+}
+static struct sysrq_key_op sysrq_thaw_op = {
+	.handler	= sysrq_handle_thaw,
+	.help_msg	= "thaw-filesystems(J)",
+	.action_msg	= "Emergency Thaw of all frozen filesystems",
+	.enable_mask	= SYSRQ_ENABLE_SIGNAL,
+};
+#endif
+
 static void sysrq_handle_kill(int key, struct tty_struct *tty)
 {
 	send_sig_all(SIGKILL);
@@ -396,9 +409,13 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
 	&sysrq_moom_op,			/* f */
 	/* g: May be registered by ppc for kgdb */
 	NULL,				/* g */
-	NULL,				/* h */
+	NULL,				/* h - reserved for help */
 	&sysrq_kill_op,			/* i */
+#ifdef CONFIG_BLOCK
+	&sysrq_thaw_op,			/* j */
+#else
 	NULL,				/* j */
+#endif
 	&sysrq_SAK_op,			/* k */
 #ifdef CONFIG_SMP
 	&sysrq_showallcpus_op,		/* l */