bsdacct: make check timer accept a bsd_acct_struct argument

We're going to have many bsd_acct_struct instances, not just one, so the
timer (currently working with a global one) has to know which one to work
with.

Use a handy setup_timer macro for it (thanks to Oleg for one).

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/acct.c b/kernel/acct.c
index d9ee183..05f8bc0 100644 (file)
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -97,9 +97,10 @@ static struct bsd_acct_struct acct_globals __cacheline_aligned =
 /*
  * Called whenever the timer says to check the free space.
  */
-static void acct_timeout(unsigned long unused)
+static void acct_timeout(unsigned long x)
 {
-       acct_globals.needcheck = 1;
+       struct bsd_acct_struct *acct = (struct bsd_acct_struct *)x;
+       acct->needcheck = 1;
 }
 
 /*
@@ -193,8 +194,8 @@ static void acct_file_reopen(struct file *file)
                acct_globals.needcheck = 0;
                acct_globals.active = 1;
                /* It's been deleted if it was used before so this is safe */
-               init_timer(&acct_globals.timer);
-               acct_globals.timer.function = acct_timeout;
+               setup_timer(&acct_globals.timer, acct_timeout,
+                               (unsigned long)&acct_globals);
                acct_globals.timer.expires = jiffies + ACCT_TIMEOUT*HZ;
                add_timer(&acct_globals.timer);
        }