Mercurial > illumos > illumos-gate
view usr/src/uts/common/fs/smbsrv/smb_unlock_byte_range.c @ 13931:3f18ae9d8c98
3502 panic in smb_server_shutdown (sl_count assertion)
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
author | Kevin Crowe <kevin.crowe@nexenta.com> |
---|---|
date | Tue, 17 Jul 2012 12:40:19 -0400 |
parents | edb7861a1533 |
children |
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/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. */ /* * SMB: unlock_byte_range * * This message is sent to unlock the given byte range. Offset, Count, and * Pid must be identical to that specified in a prior successful lock. If * * an unlock references an address range that is not locked, no error is * generated. * * Since Offset is a 32 bit quantity, this request is inappropriate for * general locking within a very large file. * * Client Request Description * ================================== ================================= * * UCHAR WordCount; Count of parameter words = 5 * USHORT Fid; File handle * ULONG Count; Count of bytes to unlock * ULONG Offset; Offset from start of file * USHORT ByteCount; Count of data bytes = 0 * * Server Response Description * ================================== ================================= * * UCHAR WordCount; Count of parameter words = 0 * USHORT ByteCount; Count of data bytes = 0 */ #include <smbsrv/smb_kproto.h> smb_sdrc_t smb_pre_unlock_byte_range(smb_request_t *sr) { DTRACE_SMB_1(op__UnlockByteRange__start, smb_request_t *, sr); return (SDRC_SUCCESS); } void smb_post_unlock_byte_range(smb_request_t *sr) { DTRACE_SMB_1(op__UnlockByteRange__done, smb_request_t *, sr); } smb_sdrc_t smb_com_unlock_byte_range(smb_request_t *sr) { uint32_t Length; uint32_t Offset; DWORD result; if (smbsr_decode_vwv(sr, "wll", &sr->smb_fid, &Length, &Offset) != 0) return (SDRC_ERROR); smbsr_lookup_file(sr); if (sr->fid_ofile == NULL) { smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); return (SDRC_ERROR); } result = smb_unlock_range(sr, sr->fid_ofile->f_node, (u_offset_t)Offset, (uint64_t)Length); if (result != NT_STATUS_SUCCESS) { smbsr_error(sr, NT_STATUS_RANGE_NOT_LOCKED, ERRDOS, ERROR_NOT_LOCKED); return (SDRC_ERROR); } if (smbsr_encode_empty_result(sr)) return (SDRC_ERROR); return (SDRC_SUCCESS); }