From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f176.google.com (mail-pg1-f176.google.com [209.85.215.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D5D694E1B3 for ; Tue, 26 Dec 2023 10:54:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pg1-f176.google.com with SMTP id 41be03b00d2f7-5c66b093b86so3521129a12.0 for ; Tue, 26 Dec 2023 02:54:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703588046; x=1704192846; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eC+8wvIcjEOaG7fzZOvflUgkYQts86DpFbp4HTqsdJ8=; b=eFF00y/uHn86Ee+AOrV+NjWnyL4GMoZoBNwPr5EJO8oLh1MNRcm5kiFGWbdoWE0yq/ B/FFpvWIUxcPYhGyK33ytwJTdL7boomMXcULbYVLNuGz4+rnBpkHPFHHWF2VmQOj7SFM awJD+XlQys6LYRwyNxcSBOKUZK5FmudstXpW+GFvZYi7pTFNxpZwWGxlYBQVGyphffAA I+/+2jhjTRW5goqYCeAV1xwA26YGYYjFYnhXi06OL0tPqt11Ngov33HEC2LcMlztUk+p B4X8ddzFv+V+k1dsmspT6Lf7SuZrm3r7eTSC4Sk1odjWFhrb05FzG8J7+w+6ao6xFuhp lUBA== X-Gm-Message-State: AOJu0YwnEVbf4a3nAc7dg4drKxpV+105E7VlNExK8LOmBffM91qxDPND UqUVVO0SCAJrV+i8l0RjBWc= X-Google-Smtp-Source: AGHT+IHplhF6UNb85cxNX6zFBf71mpohWqgd7V4sNXo3AmTnc/geDGsmsNryiSG8jgVLQvqcSTQbiA== X-Received: by 2002:a17:90a:c10b:b0:28b:f18e:11f3 with SMTP id q11-20020a17090ac10b00b0028bf18e11f3mr8993123pjt.7.1703588046137; Tue, 26 Dec 2023 02:54:06 -0800 (PST) Received: from localhost.localdomain ([110.14.71.32]) by smtp.gmail.com with ESMTPSA id sg4-20020a17090b520400b0028be1050020sm10874972pjb.29.2023.12.26.02.54.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Dec 2023 02:54:05 -0800 (PST) From: Namjae Jeon To: gregkh@linuxfoundation.org, stable@vger.kernel.org Cc: smfrench@gmail.com, Namjae Jeon , Steve French Subject: [PATCH 5.15.y 2/8] ksmbd: set epoch in create context v2 lease Date: Tue, 26 Dec 2023 19:53:27 +0900 Message-Id: <20231226105333.5150-3-linkinjeon@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231226105333.5150-1-linkinjeon@kernel.org> References: <20231226105333.5150-1-linkinjeon@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit [ Upstream commit d045850b628aaf931fc776c90feaf824dca5a1cf ] To support v2 lease(directory lease), ksmbd set epoch in create context v2 lease response. Signed-off-by: Namjae Jeon Signed-off-by: Steve French --- fs/ksmbd/oplock.c | 5 ++++- fs/ksmbd/oplock.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c index 1cf2d2a3746a..ed639b7b6509 100644 --- a/fs/ksmbd/oplock.c +++ b/fs/ksmbd/oplock.c @@ -104,7 +104,7 @@ static int alloc_lease(struct oplock_info *opinfo, struct lease_ctx_info *lctx) lease->duration = lctx->duration; memcpy(lease->parent_lease_key, lctx->parent_lease_key, SMB2_LEASE_KEY_SIZE); lease->version = lctx->version; - lease->epoch = 0; + lease->epoch = le16_to_cpu(lctx->epoch); INIT_LIST_HEAD(&opinfo->lease_entry); opinfo->o_lease = lease; @@ -1032,6 +1032,7 @@ static void copy_lease(struct oplock_info *op1, struct oplock_info *op2) SMB2_LEASE_KEY_SIZE); lease2->duration = lease1->duration; lease2->flags = lease1->flags; + lease2->epoch = lease1->epoch++; } static int add_lease_global_list(struct oplock_info *opinfo) @@ -1364,6 +1365,7 @@ void create_lease_buf(u8 *rbuf, struct lease *lease) memcpy(buf->lcontext.LeaseKey, lease->lease_key, SMB2_LEASE_KEY_SIZE); buf->lcontext.LeaseFlags = lease->flags; + buf->lcontext.Epoch = cpu_to_le16(++lease->epoch); buf->lcontext.LeaseState = lease->state; memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key, SMB2_LEASE_KEY_SIZE); @@ -1423,6 +1425,7 @@ struct lease_ctx_info *parse_lease_state(void *open_req) memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE); lreq->req_state = lc->lcontext.LeaseState; lreq->flags = lc->lcontext.LeaseFlags; + lreq->epoch = lc->lcontext.Epoch; lreq->duration = lc->lcontext.LeaseDuration; memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey, SMB2_LEASE_KEY_SIZE); diff --git a/fs/ksmbd/oplock.h b/fs/ksmbd/oplock.h index 4b0fe6da7694..ad31439c61fe 100644 --- a/fs/ksmbd/oplock.h +++ b/fs/ksmbd/oplock.h @@ -34,6 +34,7 @@ struct lease_ctx_info { __le32 flags; __le64 duration; __u8 parent_lease_key[SMB2_LEASE_KEY_SIZE]; + __le16 epoch; int version; }; -- 2.25.1