diff options
author | Miklos Szeredi <mszeredi@redhat.com> | 2016-05-20 22:13:45 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-27 09:47:33 -0700 |
commit | c65170792047969e2b129dbf6cdc633503a4087d (patch) | |
tree | 209c77937e370f41845d7c699cf16f20f3194af6 /include/linux/dcache.h | |
parent | cff5b236fa152d98bd83d901a0870a585414d340 (diff) |
vfs: add d_real_inode() helper
commit a118084432d642eeccb961c7c8cc61525a941fcb upstream.
Needed by the following fix.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r-- | include/linux/dcache.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d81746d3b2da..8d7151eb6ceb 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -603,5 +603,17 @@ static inline struct inode *vfs_select_inode(struct dentry *dentry, return inode; } +/** + * d_real_inode - Return the real inode + * @dentry: The dentry to query + * + * 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) +{ + return d_backing_inode(d_real(dentry)); +} + #endif /* __LINUX_DCACHE_H */ |