|
|
@@ -610,3 +610,15 @@ in your dentry operations instead.
|
|
|
value for 'called finish_no_open(), open it yourself' case has become
|
|
|
0, not 1. Since finish_no_open() itself is returning 0 now, that part
|
|
|
does not need any changes in ->atomic_open() instances.
|
|
|
+--
|
|
|
+[mandatory]
|
|
|
+ alloc_file() has become static now; two wrappers are to be used instead.
|
|
|
+ alloc_file_pseudo(inode, vfsmount, name, flags, ops) is for the cases
|
|
|
+ when dentry needs to be created; that's the majority of old alloc_file()
|
|
|
+ users. Calling conventions: on success a reference to new struct file
|
|
|
+ is returned and callers reference to inode is subsumed by that. On
|
|
|
+ failure, ERR_PTR() is returned and no caller's references are affected,
|
|
|
+ so the caller needs to drop the inode reference it held.
|
|
|
+ alloc_file_clone(file, flags, ops) does not affect any caller's references.
|
|
|
+ On success you get a new struct file sharing the mount/dentry with the
|
|
|
+ original, on failure - ERR_PTR().
|
Al Viro