mirror of
https://github.com/samba-team/samba.git
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19fc6e8f51
preparation for adding code to pass the BASE-DENY1 and BASE-DENYDOS tests, which require a shared filesystem handle for some specific combinations of two DENY_DOS opens on the same connection. (This used to be commit 6e4fdf01d19051e3923d7703dbf990fc1722b09a)
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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POSIX NTVFS backend - flush
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Copyright (C) Andrew Tridgell 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "vfs_posix.h"
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/*
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flush a single open file
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*/
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static void pvfs_flush_file(struct pvfs_state *pvfs, struct pvfs_file *f)
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{
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if (f->handle->name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
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return;
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}
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if (pvfs->flags & PVFS_FLAG_STRICT_SYNC) {
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fsync(f->handle->fd);
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}
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}
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/*
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flush a fnum
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*/
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NTSTATUS pvfs_flush(struct ntvfs_module_context *ntvfs,
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struct smbsrv_request *req, struct smb_flush *io)
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{
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struct pvfs_state *pvfs = ntvfs->private_data;
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struct pvfs_file *f;
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if (io->in.fnum != 0xFFFF) {
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f = pvfs_find_fd(pvfs, req, io->in.fnum);
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if (!f) {
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return NT_STATUS_INVALID_HANDLE;
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}
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pvfs_flush_file(pvfs, f);
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return NT_STATUS_OK;
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}
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if (!(pvfs->flags & PVFS_FLAG_STRICT_SYNC)) {
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return NT_STATUS_OK;
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}
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/* they are asking to flush all open files */
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for (f=pvfs->open_files;f;f=f->next) {
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pvfs_flush_file(pvfs, f);
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}
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return NT_STATUS_OK;
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}
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