[PATCH] FUSE: atomic create+open
This patch adds an atomic create+open operation. This does not yet work if
the file type changes between lookup and create+open, but solves the
permission checking problems for the separte create and open methods.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index a6f90a6..8f873e62 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -184,6 +184,13 @@
fuse_putback_request() */
for (i = 1; i < FUSE_MAX_OUTSTANDING; i++)
up(&fc->outstanding_sem);
+ } else if (req->in.h.opcode == FUSE_RELEASE && req->inode == NULL) {
+ /* Special case for failed iget in CREATE */
+ u64 nodeid = req->in.h.nodeid;
+ __fuse_get_request(req);
+ fuse_reset_request(req);
+ fuse_send_forget(fc, req, nodeid, 1);
+ putback = 0;
}
if (putback)
fuse_putback_request(fc, req);