/* Unix SMB/CIFS implementation. POSIX NTVFS backend - flush Copyright (C) Andrew Tridgell 2004 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "vfs_posix.h" /* flush a single open file */ static void pvfs_flush_file(struct pvfs_state *pvfs, struct pvfs_file *f) { if (f->handle->fd == -1) { return; } if (pvfs->flags & PVFS_FLAG_STRICT_SYNC) { fsync(f->handle->fd); } } /* flush a fnum */ NTSTATUS pvfs_flush(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_flush *io) { struct pvfs_state *pvfs = ntvfs->private_data; struct pvfs_file *f; switch (io->generic.level) { case RAW_FLUSH_FLUSH: case RAW_FLUSH_SMB2: /* TODO: take care of io->smb2.in.unknown */ f = pvfs_find_fd(pvfs, req, io->generic.in.file.ntvfs); if (!f) { return NT_STATUS_INVALID_HANDLE; } pvfs_flush_file(pvfs, f); io->smb2.out.reserved = 0; return NT_STATUS_OK; case RAW_FLUSH_ALL: if (!(pvfs->flags & PVFS_FLAG_STRICT_SYNC)) { return NT_STATUS_OK; } /* * they are asking to flush all open files * for the given SMBPID */ for (f=pvfs->files.list;f;f=f->next) { if (f->ntvfs->smbpid != req->smbpid) continue; pvfs_flush_file(pvfs, f); } return NT_STATUS_OK; } return NT_STATUS_INVALID_LEVEL; }