make ->atomic_open() return int

Change of calling conventions:
old		new
NULL		1
file		0
ERR_PTR(-ve)	-ve

Caller *knows* that struct file *; no need to return it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 3 deletions

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index d7121051afc..d0d690bbc4c 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -364,7 +364,7 @@ struct inode_operations {
         ssize_t (*listxattr) (struct dentry *, char *, size_t);
         int (*removexattr) (struct dentry *, const char *);
         void (*update_time)(struct inode *, struct timespec *, int);
-        struct file * (*atomic_open)(struct inode *, struct dentry *,
+        int (*atomic_open)(struct inode *, struct dentry *,
                                 struct opendata *, unsigned open_flag,
                                 umode_t create_mode, int *opened);
 };
@@ -482,8 +482,8 @@ otherwise noted.
   atomic_open: called on the last component of an open.  Using this optional
         method the filesystem can look up, possibly create and open the file in
         one atomic operation.  If it cannot perform this (e.g. the file type
-        turned out to be wrong) it may signal this by returning NULL instead of
-        an open struct file pointer.  This method is only called if the last
+        turned out to be wrong) it may signal this by returning 1 instead of
+        usual 0 or -ve .  This method is only called if the last
         component is negative or needs lookup.  Cached positive dentries are
         still handled by f_op->open().