From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 19:20:00 +0200 Subject: Adding upstream version 2:4.20.0+dfsg. Signed-off-by: Daniel Baumann --- source4/ntvfs/posix/pvfs_flush.c | 80 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 source4/ntvfs/posix/pvfs_flush.c (limited to 'source4/ntvfs/posix/pvfs_flush.c') diff --git a/source4/ntvfs/posix/pvfs_flush.c b/source4/ntvfs/posix/pvfs_flush.c new file mode 100644 index 0000000..f425fcc --- /dev/null +++ b/source4/ntvfs/posix/pvfs_flush.c @@ -0,0 +1,80 @@ +/* + 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 . +*/ + +#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 = talloc_get_type(ntvfs->private_data, + struct pvfs_state); + 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; +} -- cgit v1.2.3