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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>
This commit is contained in:
Paul E. McKenney 2018-11-05 17:31:31 -08:00
parent cc69b389fd
commit c93ffc15cc
1 changed files with 1 additions and 1 deletions
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2
fs/file.c
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@ -158,7 +158,7 @@ static int expand_fdtable(struct files_struct *files, unsigned int nr)
* or have finished their rcu_read_lock_sched() section. * or have finished their rcu_read_lock_sched() section.
*/ */
if (atomic_read(&files->count) > 1) if (atomic_read(&files->count) > 1)
synchronize_sched(); synchronize_rcu();
spin_lock(&files->file_lock); spin_lock(&files->file_lock);
if (!new_fdt) if (!new_fdt)