| commit | 1e75529e3c6c18dc535f38454173c4f2dfa99685 | [log] [tgz] |
|---|---|---|
| author | Miao Xie <miaox@cn.fujitsu.com> | Fri Nov 16 17:23:50 2012 +0800 |
| committer | Al Viro <viro@zeniv.linux.org.uk> | Thu Dec 20 13:36:18 2012 -0500 |
| tree | e875baa006457bdffd536fe97fffe03078c91c4f | |
| parent | f01af9f85855e38fbd601e033a8eac204cc4cc1c [diff] |
vfs, freeze: use ACCESS_ONCE() to guard access to ->mnt_flags The compiler may optimize the while loop and make the check just be done once, so we should use ACCESS_ONCE() to guard access to ->mnt_flags Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>