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authorAlex Shi <alex.shi@linaro.org>2016-08-18 12:33:29 +0800
committerAlex Shi <alex.shi@linaro.org>2016-08-18 12:33:29 +0800
commite779279da78339ec75fa72571ef901a447762cc6 (patch)
tree6153fe0215590a435a1f84e5ddd6d84e15edadf1 /include/linux/devpts_fs.h
parent21a48ffe4dff2194cceeecad0436d920c267027c (diff)
parente4884275a4bb1cbce5a24a507c3e267c887dc1bd (diff)
Merge tag 'v4.4.18' into linux-linaro-lsk-v4.4
This is the 4.4.18 stable release
Diffstat (limited to 'include/linux/devpts_fs.h')
-rw-r--r--include/linux/devpts_fs.h34
1 files changed, 10 insertions, 24 deletions
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index e0ee0b3000b2..358a4db72a27 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -15,38 +15,24 @@
#include <linux/errno.h>
+struct pts_fs_info;
+
#ifdef CONFIG_UNIX98_PTYS
-int devpts_new_index(struct inode *ptmx_inode);
-void devpts_kill_index(struct inode *ptmx_inode, int idx);
-void devpts_add_ref(struct inode *ptmx_inode);
-void devpts_del_ref(struct inode *ptmx_inode);
+/* Look up a pts fs info and get a ref to it */
+struct pts_fs_info *devpts_get_ref(struct inode *, struct file *);
+void devpts_put_ref(struct pts_fs_info *);
+
+int devpts_new_index(struct pts_fs_info *);
+void devpts_kill_index(struct pts_fs_info *, int);
+
/* mknod in devpts */
-struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index,
- void *priv);
+struct inode *devpts_pty_new(struct pts_fs_info *, dev_t, int, void *);
/* get private structure */
void *devpts_get_priv(struct inode *pts_inode);
/* unlink */
void devpts_pty_kill(struct inode *inode);
-#else
-
-/* Dummy stubs in the no-pty case */
-static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; }
-static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { }
-static inline void devpts_add_ref(struct inode *ptmx_inode) { }
-static inline void devpts_del_ref(struct inode *ptmx_inode) { }
-static inline struct inode *devpts_pty_new(struct inode *ptmx_inode,
- dev_t device, int index, void *priv)
-{
- return ERR_PTR(-EINVAL);
-}
-static inline void *devpts_get_priv(struct inode *pts_inode)
-{
- return NULL;
-}
-static inline void devpts_pty_kill(struct inode *inode) { }
-
#endif