fs/file: Replace synchronize_sched() with synchronize_rcu()

Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu().  This commit therefore makes this change.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: <linux-fsdevel@vger.kernel.org>

diff --git a/fs/file.c b/fs/file.c
index 7ffd6e9d103d6470cbc2ea0b1618ea2f2cb028c2..50304c7525eae83ba9505e6994b561b5f07b8bae 100644 (file)
--- a/fs/file.c
+++ b/fs/file.c
@@ -158,7 +158,7 @@ static int expand_fdtable(struct files_struct *files, unsigned int nr)
         * or have finished their rcu_read_lock_sched() section.
         */
        if (atomic_read(&files->count) > 1)
-               synchronize_sched();
+               synchronize_rcu();
 
        spin_lock(&files->file_lock);
        if (!new_fdt)