vfs_ceph_new: dont use ceph_ll_nonblocking_readv_writev for fsync_send

Commit 4ae922413844 ("vfs_ceph_new: use libcephfs nonblocking API for
async-io ops") uses ceph_ll_nonblocking_readv_writev for fsync_send.
However, the actual behaviour of libcephfs when using this API with
'fsync=true' is not async-fsync, as one may assume. Instead,
vfs_ceph_new should use a nonblocking fsync API[1], once it is ready.

Removed the usage of ceph_ll_nonblocking_readv_writev for fsync.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=15919

[1] https://github.com/ceph/ceph/commit/c88a21c30d8b265adb152f631d2629d29539f7b7

Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Xavi Hernandez <xhernandez@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit 82c0988a8bc3d3e364e2d56ad8ea27e359fbc3f0)

diff --git a/source3/modules/vfs_ceph_new.c b/source3/modules/vfs_ceph_new.c
index 4622d8659cd67286a6235fa2936f734fcd8acc2d..f29c73a1c1ff8ef007004d3341402a29de9ceb55 100644 (file)
--- a/source3/modules/vfs_ceph_new.c
+++ b/source3/modules/vfs_ceph_new.c
@@ -2966,16 +2966,6 @@ static struct tevent_req *vfs_ceph_fsync_send(struct vfs_handle_struct *handle,
                                     0);
        SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
 
-#if HAVE_CEPH_ASYNCIO
-       state->req = req;
-       state->data = NULL;
-       state->len = 0;
-       state->off = 0;
-       state->fsync = true;
-       vfs_ceph_aio_submit(handle, req, ev);
-       return req;
-#endif
-
        vfs_ceph_aio_start(state);
        ret = vfs_ceph_ll_fsync(handle, state->cfh, false);
        vfs_ceph_aio_finish(state, ret);