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/*
Unix SMB/CIFS implementation.
Make sure offline->online changes are propagated by notifies
This module must come before aio_fork in the chain, because
aio_fork (correcly!) does not propagate the aio calls further
Copyright (C) Volker Lendecke 2011
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 "smbd/smbd.h"
#include "librpc/gen_ndr/ndr_xattr.h"
#include "include/smbprofile.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
#include <gpfs_gpl.h>
#include "nfs4_acls.h"
#include "vfs_gpfs.h"
static ssize_t vfs_gpfs_hsm_notify_pread(vfs_handle_struct *handle, files_struct *fsp,
void *data, size_t n, SMB_OFF_T offset)
{
ssize_t ret;
ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
DEBUG(10, ("vfs_private = %x\n",
(unsigned int)fsp->fsp_name->st.vfs_private));
if ((ret != -1) &&
((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
FILE_NOTIFY_CHANGE_ATTRIBUTES,
fsp->fsp_name->base_name);
}
return ret;
}
static ssize_t vfs_gpfs_hsm_notify_pwrite(struct vfs_handle_struct *handle,
struct files_struct *fsp,
const void *data, size_t n, SMB_OFF_T offset)
{
ssize_t ret;
ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
if ((ret != -1) &&
((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
FILE_NOTIFY_CHANGE_ATTRIBUTES,
fsp->fsp_name->base_name);
}
return ret;
}
static ssize_t vfs_gpfs_hsm_notify_aio_return(struct vfs_handle_struct *handle,
struct files_struct *fsp,
SMB_STRUCT_AIOCB *aiocb)
{
ssize_t ret;
ret = SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
DEBUG(10, ("vfs_gpfs_hsm_notify_aio_return: vfs_private = %x\n",
(unsigned int)fsp->fsp_name->st.vfs_private));
if ((ret != -1) &&
((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
DEBUG(10, ("sending notify\n"));
notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
FILE_NOTIFY_CHANGE_ATTRIBUTES,
fsp->fsp_name->base_name);
}
return ret;
}
static struct vfs_fn_pointers vfs_gpfs_hsm_notify_fns = {
.pread_fn = vfs_gpfs_hsm_notify_pread,
.pwrite_fn = vfs_gpfs_hsm_notify_pwrite,
.aio_return_fn = vfs_gpfs_hsm_notify_aio_return
};
NTSTATUS vfs_gpfs_hsm_notify_init(void);
NTSTATUS vfs_gpfs_hsm_notify_init(void)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs_hsm_notify",
&vfs_gpfs_hsm_notify_fns);
}
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