diff options
| author |   Miklos Szeredi <mszeredi@redhat.com> | 2016-09-16 12:44:20 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2016-09-16 12:44:20 +0200 |
| commit | 7b1742eb06ead6d02a6cf3c44587088e5392d1aa (patch) | |
| tree | 1a3692013066087926df59c7fc739ba680496041 /include/linux/dcache.h | |
| parent | locks: fix file locking on overlayfs (diff) | |
| download | linux-dev-7b1742eb06ead6d02a6cf3c44587088e5392d1aa.tar.xz linux-dev-7b1742eb06ead6d02a6cf3c44587088e5392d1aa.zip | |
vfs: make argument of d_real_inode() const
d_op->d_real() leaves the dentry alone except if the third argument is
non-zero. Unfortunately very difficult to explain to the compiler without
a cast.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Acked-by: Jeff Layton <jlayton@poochiereds.net>
Diffstat (limited to 'include/linux/dcache.h')
| -rw-r--r-- | include/linux/dcache.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 5ff3e9a4fe5f..5beed7b30561 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -584,9 +584,10 @@ static inline struct dentry *d_real(struct dentry *dentry, * If dentry is on an union/overlay, then return the underlying, real inode. * Otherwise return d_inode(). */ -static inline struct inode *d_real_inode(struct dentry *dentry) +static inline struct inode *d_real_inode(const struct dentry *dentry) { - return d_backing_inode(d_real(dentry, NULL, 0)); + /* This usage of d_real() results in const dentry */ + return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0)); } |