virtiofsd: remove unused notify reply support

Notify reply support is unused by virtiofsd.  The code would need to be
updated to validate input buffer sizes.  Remove this unused code since
changes to it are untestable.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

1 files changed, 0 insertions, 47 deletions

diff --git a/tools/virtiofsd/fuse_lowlevel.h b/tools/virtiofsd/fuse_lowlevel.h
index 8d8909b..12a84b4 100644
--- a/tools/virtiofsd/fuse_lowlevel.h
+++ b/tools/virtiofsd/fuse_lowlevel.h
@@ -1085,21 +1085,6 @@ struct fuse_lowlevel_ops {
                       off_t off, struct fuse_file_info *fi);
 
     /**
-     * Callback function for the retrieve request
-     *
-     * Valid replies:
-     *  fuse_reply_none
-     *
-     * @param req request handle
-     * @param cookie user data supplied to fuse_lowlevel_notify_retrieve()
-     * @param ino the inode number supplied to fuse_lowlevel_notify_retrieve()
-     * @param offset the offset supplied to fuse_lowlevel_notify_retrieve()
-     * @param bufv the buffer containing the returned data
-     */
-    void (*retrieve_reply)(fuse_req_t req, void *cookie, fuse_ino_t ino,
-                           off_t offset, struct fuse_bufvec *bufv);
-
-    /**
      * Forget about multiple inodes
      *
      * See description of the forget function for more
@@ -1726,38 +1711,6 @@ int fuse_lowlevel_notify_delete(struct fuse_session *se, fuse_ino_t parent,
 int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
                                off_t offset, struct fuse_bufvec *bufv,
                                enum fuse_buf_copy_flags flags);
-/**
- * Retrieve data from the kernel buffers
- *
- * Retrieve data in the kernel buffers belonging to the given inode.
- * If successful then the retrieve_reply() method will be called with
- * the returned data.
- *
- * Only present pages are returned in the retrieve reply.  Retrieving
- * stops when it finds a non-present page and only data prior to that
- * is returned.
- *
- * If this function returns an error, then the retrieve will not be
- * completed and no reply will be sent.
- *
- * This function doesn't change the dirty state of pages in the kernel
- * buffer.  For dirty pages the write() method will be called
- * regardless of having been retrieved previously.
- *
- * Added in FUSE protocol version 7.15. If the kernel does not support
- * this (or a newer) version, the function will return -ENOSYS and do
- * nothing.
- *
- * @param se the session object
- * @param ino the inode number
- * @param size the number of bytes to retrieve
- * @param offset the starting offset into the file to retrieve from
- * @param cookie user data to supply to the reply callback
- * @return zero for success, -errno for failure
- */
-int fuse_lowlevel_notify_retrieve(struct fuse_session *se, fuse_ino_t ino,
-                                  size_t size, off_t offset, void *cookie);
-
 
 /*
  * Utility functions