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authorStefan Metzmacher <metze@samba.org>2025-10-15 17:05:04 +0200
committerSteve French <stfrench@microsoft.com>2025-10-15 11:21:13 -0500
commitd451a0e88e9fa710df33f8dd5dc7ca63e22ef211 (patch)
tree2eb686e7c5f8aa782232a25e122f55ace83a9b54
parentd877470b59910b5c50383d634dda3782386bba51 (diff)
smb: client: let smbd_destroy() wait for SMBDIRECT_SOCKET_DISCONNECTED
We should wait for the rdma_cm to become SMBDIRECT_SOCKET_DISCONNECTED, it turns out that (at least running some xfstests e.g. cifs/001) often triggers the case where wait_event_interruptible() returns with -ERESTARTSYS instead of waiting for SMBDIRECT_SOCKET_DISCONNECTED to be reached. Or we are already in SMBDIRECT_SOCKET_DISCONNECTING and never wait for SMBDIRECT_SOCKET_DISCONNECTED. Fixes: 050b8c374019 ("smbd: Make upper layer decide when to destroy the transport") Fixes: e8b3bfe9bc65 ("cifs: smbd: Don't destroy transport on RDMA disconnect") Fixes: b0aa92a229ab ("smb: client: make sure smbd_disconnect_rdma_work() doesn't run after smbd_destroy() took over") Cc: Steve French <smfrench@gmail.com> Cc: Tom Talpey <tom@talpey.com> Cc: Long Li <longli@microsoft.com> Cc: Namjae Jeon <linkinjeon@kernel.org> Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Steve French <stfrench@microsoft.com>
-rw-r--r--fs/smb/client/smbdirect.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c
index 77de85d7cdc3..49e2df3ad1f0 100644
--- a/fs/smb/client/smbdirect.c
+++ b/fs/smb/client/smbdirect.c
@@ -1575,12 +1575,12 @@ void smbd_destroy(struct TCP_Server_Info *server)
disable_work_sync(&sc->disconnect_work);
log_rdma_event(INFO, "destroying rdma session\n");
- if (sc->status < SMBDIRECT_SOCKET_DISCONNECTING) {
+ if (sc->status < SMBDIRECT_SOCKET_DISCONNECTING)
smbd_disconnect_rdma_work(&sc->disconnect_work);
+ if (sc->status < SMBDIRECT_SOCKET_DISCONNECTED) {
log_rdma_event(INFO, "wait for transport being disconnected\n");
- wait_event_interruptible(
- sc->status_wait,
- sc->status == SMBDIRECT_SOCKET_DISCONNECTED);
+ wait_event(sc->status_wait, sc->status == SMBDIRECT_SOCKET_DISCONNECTED);
+ log_rdma_event(INFO, "waited for transport being disconnected\n");
}
/*