[PATCH V2 10/23] printk: Rename log_wait to printk_log_wait

[Joe Perches]

Make this generic variable more specific to the printk
subsystem to allow this variable to be used without
a specific extern.

Also update fs/proc/kmsg.c as it uses log_wait.

Signed-off-by: Joe Perches <j...@perches.com>
---
 fs/proc/kmsg.c         |    4 ++--
 kernel/printk/printk.c |   12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index bd4b5a7..16f2c85 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -17,7 +17,7 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-extern wait_queue_head_t log_wait;
+extern wait_queue_head_t printk_log_wait;
 
 static int kmsg_open(struct inode * inode, struct file * file)
 {
@@ -41,7 +41,7 @@ static ssize_t kmsg_read(struct file *file, char __user *buf,
 
 static unsigned int kmsg_poll(struct file *file, poll_table *wait)
 {
-       poll_wait(file, &log_wait, wait);
+       poll_wait(file, &printk_log_wait, wait);
        if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE))
                return POLLIN | POLLRDNORM;
        return 0;
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 341f2d9..c87472b 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -63,7 +63,7 @@ void asmlinkage __attribute__((weak)) early_printk(const char 
*fmt, ...)
 #define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */
 #define DEFAULT_CONSOLE_LOGLEVEL 7 /* anything MORE serious than KERN_DEBUG */
 
-DECLARE_WAIT_QUEUE_HEAD(log_wait);
+DECLARE_WAIT_QUEUE_HEAD(printk_log_wait);
 
 int console_printk[4] = {
        DEFAULT_CONSOLE_LOGLEVEL,       /* console_loglevel */
@@ -447,7 +447,7 @@ static ssize_t devkmsg_read(struct file *file, char __user 
*buf,
                }
 
                raw_spin_unlock_irq(&logbuf_lock);
-               ret = wait_event_interruptible(log_wait,
+               ret = wait_event_interruptible(printk_log_wait,
                                               user->seq != 
printk_log_next_seq);
                if (ret)
                        goto out;
@@ -589,7 +589,7 @@ static unsigned int devkmsg_poll(struct file *file, 
poll_table *wait)
        if (!user)
                return POLLERR|POLLNVAL;
 
-       poll_wait(file, &log_wait, wait);
+       poll_wait(file, &printk_log_wait, wait);
 
        raw_spin_lock_irq(&logbuf_lock);
        if (user->seq < printk_log_next_seq) {
@@ -1122,7 +1122,7 @@ int do_syslog(int type, char __user *buf, int len, bool 
from_file)
                        error = -EFAULT;
                        goto out;
                }
-               error = wait_event_interruptible(log_wait,
+               error = wait_event_interruptible(printk_log_wait,
                                                 syslog_seq != 
printk_log_next_seq);
                if (error)
                        goto out;
@@ -1948,7 +1948,7 @@ void printk_tick(void)
                        printk(KERN_WARNING "[sched_delayed] %s", buf);
                }
                if (pending & PRINTK_PENDING_WAKEUP)
-                       wake_up_interruptible(&log_wait);
+                       wake_up_interruptible(&printk_log_wait);
        }
 }
 
@@ -1961,7 +1961,7 @@ int printk_needs_cpu(int cpu)
 
 void wake_up_klogd(void)
 {
-       if (waitqueue_active(&log_wait))
+       if (waitqueue_active(&printk_log_wait))
                this_cpu_or(printk_pending, PRINTK_PENDING_WAKEUP);
 }
 
-- 
1.7.8.112.g3fd21

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