* [tip:core/rcu] fs/file: Replace synchronize_sched() with synchronize_rcu()
@ 2018-12-04 22:41 tip-bot for Paul E. McKenney
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From: tip-bot for Paul E. McKenney @ 2018-12-04 22:41 UTC (permalink / raw)
To: linux-tip-commits; +Cc: tglx, viro, hpa, paulmck, mingo, linux-fsdevel
Commit-ID: c93ffc15cceb057924410f9178e679120ee12353
Gitweb: https://git.kernel.org/tip/c93ffc15cceb057924410f9178e679120ee12353
Author: Paul E. McKenney <paulmck@linux.ibm.com>
AuthorDate: Mon, 5 Nov 2018 17:31:31 -0800
Committer: Paul E. McKenney <paulmck@linux.ibm.com>
CommitDate: Tue, 27 Nov 2018 09:21:39 -0800
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>
---
fs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/file.c b/fs/file.c
index 7ffd6e9d103d..50304c7525ea 100644
--- 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)
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