commit 684999149002dd046269666a390458e0acb38280
author Jonathan Corbet <corbet@lwn.net> Fri Feb 06 13:52:43 2009 -0700
committer Jonathan Corbet <corbet@lwn.net> Mon Mar 16 08:32:27 2009 -0600
tree b12ea4a953ba2bd90428092e7f35a222a4109510
parent 041b62374c7fedc11a8a1eeda2868612d3d1436c

Rename struct file->f_ep_lock

This lock moves out of the CONFIG_EPOLL ifdef and becomes f_lock.  For now,
epoll remains the only user, but a future patch will use it to protect
f_flags as well.

Cc: Davide Libenzi <davidel@xmailserver.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

fs/file_table.c

diff --git a/fs/file_table.c b/fs/file_table.c
index bbeeac6..aa1e180 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -127,6 +127,7 @@
 	atomic_long_set(&f->f_count, 1);
 	rwlock_init(&f->f_owner.lock);
 	f->f_cred = get_cred(cred);
+	spin_lock_init(&f->f_lock);
 	eventpoll_init_file(f);
 	/* f->f_version: 0 */
 	return f;