smbd: flush pending writetime update when flushing file

Cf the explanations in the previous commit.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14150

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

3 files changed, 14 insertions, 1 deletions

diff --git a/selftest/knownfail.d/samba3.smb2.timestamps b/selftest/knownfail.d/samba3.smb2.timestamps
index c7d0ff2849e..8a52d4a2ad6 100644
--- a/selftest/knownfail.d/samba3.smb2.timestamps
+++ b/selftest/knownfail.d/samba3.smb2.timestamps
@@ -1,2 +1 @@
-^samba3.smb2.timestamps.delayed-write-vs-flush\(.*\)$
 ^samba3.smb2.timestamps.delayed-write-vs-setbasic\(.*\)$
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index be7c170cd1f..f809837f1cb 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -5714,6 +5714,10 @@ static struct files_struct *file_sync_one_fn(struct files_struct *fsp,
 	}
 	sync_file(conn, fsp, True /* write through */);
 
+	if (fsp->modified) {
+		trigger_write_time_update_immediate(fsp);
+	}
+
 	return NULL;
 }
 
@@ -5752,6 +5756,9 @@ void reply_flush(struct smb_request *req)
 			END_PROFILE(SMBflush);
 			return;
 		}
+		if (fsp->modified) {
+			trigger_write_time_update_immediate(fsp);
+		}
 	}
 
 	reply_outbuf(req, 0, 0);
diff --git a/source3/smbd/smb2_flush.c b/source3/smbd/smb2_flush.c
index 86d5bbc58f0..08539e95807 100644
--- a/source3/smbd/smb2_flush.c
+++ b/source3/smbd/smb2_flush.c
@@ -112,6 +112,7 @@ static void smbd_smb2_request_flush_done(struct tevent_req *subreq)
 
 struct smbd_smb2_flush_state {
 	struct smbd_smb2_request *smb2req;
+	struct files_struct *fsp;
 };
 
 static void smbd_smb2_flush_done(struct tevent_req *subreq);
@@ -132,6 +133,7 @@ static struct tevent_req *smbd_smb2_flush_send(TALLOC_CTX *mem_ctx,
 		return NULL;
 	}
 	state->smb2req = smb2req;
+	state->fsp = fsp;
 
 	DEBUG(10,("smbd_smb2_flush: %s - %s\n",
 		  fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
@@ -207,6 +209,8 @@ static void smbd_smb2_flush_done(struct tevent_req *subreq)
 {
 	struct tevent_req *req = tevent_req_callback_data(
 		subreq, struct tevent_req);
+	struct smbd_smb2_flush_state *state = tevent_req_data(
+		req, struct smbd_smb2_flush_state);
 	int ret;
 	struct vfs_aio_state vfs_aio_state;
 
@@ -216,6 +220,9 @@ static void smbd_smb2_flush_done(struct tevent_req *subreq)
 		tevent_req_nterror(req, map_nt_error_from_unix(vfs_aio_state.error));
 		return;
 	}
+	if (state->fsp->modified) {
+		trigger_write_time_update_immediate(state->fsp);
+	}
 	tevent_req_done(req);
 }