[PATCH] fuse: add asynchronous request support

Add possibility for requests to run asynchronously and call an 'end' callback
when finished.

With this, the special handling of the INIT and RELEASE requests can be
cleaned up too.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 52557664a89e..043d5b36846d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -113,6 +113,14 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
         return err;
 }
 
+/* Special case for failed iget in CREATE */
+static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
+{
+        u64 nodeid = req->in.h.nodeid;
+        fuse_reset_request(req);
+        fuse_send_forget(fc, req, nodeid, 1);
+}
+
 void fuse_send_release(struct fuse_conn *fc, struct fuse_file *ff,
                        u64 nodeid, struct inode *inode, int flags, int isdir)
 {
@@ -128,6 +136,8 @@ void fuse_send_release(struct fuse_conn *fc, struct fuse_file *ff,
         req->in.args[0].size = sizeof(struct fuse_release_in);
         req->in.args[0].value = inarg;
         request_send_background(fc, req);
+        if (!inode)
+                req->end = fuse_release_end;
         kfree(ff);
 }