vfs: remove open_flags from d_real()
Opening regular files on overlayfs is now handled via ovl_open(). Remove
the now unused "open_flags" argument from d_op->d_real() and the d_real()
helper.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index c63becc..0e84593 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -74,28 +74,10 @@ static void ovl_dentry_release(struct dentry *dentry)
}
}
-static int ovl_check_append_only(struct inode *inode, int flag)
-{
- /*
- * This test was moot in vfs may_open() because overlay inode does
- * not have the S_APPEND flag, so re-check on real upper inode
- */
- if (IS_APPEND(inode)) {
- if ((flag & O_ACCMODE) != O_RDONLY && !(flag & O_APPEND))
- return -EPERM;
- if (flag & O_TRUNC)
- return -EPERM;
- }
-
- return 0;
-}
-
static struct dentry *ovl_d_real(struct dentry *dentry,
- const struct inode *inode,
- unsigned int open_flags)
+ const struct inode *inode)
{
struct dentry *real;
- int err;
/* It's an overlay file */
if (inode && d_inode(dentry) == inode)
@@ -107,28 +89,16 @@ static struct dentry *ovl_d_real(struct dentry *dentry,
goto bug;
}
- if (open_flags) {
- err = ovl_open_maybe_copy_up(dentry, open_flags);
- if (err)
- return ERR_PTR(err);
- }
-
real = ovl_dentry_upper(dentry);
- if (real && (!inode || inode == d_inode(real))) {
- if (!inode) {
- err = ovl_check_append_only(d_inode(real), open_flags);
- if (err)
- return ERR_PTR(err);
- }
+ if (real && (!inode || inode == d_inode(real)))
return real;
- }
real = ovl_dentry_lower(dentry);
if (!real)
goto bug;
/* Handle recursion */
- real = d_real(real, inode, open_flags);
+ real = d_real(real, inode);
if (!inode || inode == d_inode(real))
return real;