It is OK to let access() go without using a mnt_want/drop_write()
pair because it doesn't actually do writes to the filesystem,
and it is inherently racy anyway. This is a rare case when it is
OK to use __mnt_is_readonly() directly.
Signed-off-by: Dave Hansen <redacted>
---
lxc-dave/fs/open.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/open.c~make-access-use-helper fs/open.c
--- lxc/fs/open.c~make-access-use-helper 2007-06-21 23:23:17.000000000 -0700
+++ lxc-dave/fs/open.c 2007-06-21 23:23:17.000000000 -0700
@@ -395,7 +395,7 @@ asmlinkage long sys_faccessat(int dfd, c
special_file(nd.dentry->d_inode->i_mode))
goto out_path_release;
- if(IS_RDONLY(nd.dentry->d_inode))
+ if (__mnt_is_readonly(nd.mnt))
res = -EROFS;
out_path_release:
_