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/*
Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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.
GlusterFS 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/>.
*/
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "xlator.h"
#include "defaults.h"
#include "read-only-common.h"
static int32_t
worm_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
int32_t op_errno, fd_t *fd)
{
STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd);
return 0;
}
int32_t
worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd, int32_t wbflags)
{
if ((((flags & O_ACCMODE) == O_WRONLY) ||
((flags & O_ACCMODE) == O_RDWR)) &&
!(flags & O_APPEND)) {
STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL);
return 0;
}
STACK_WIND (frame, worm_open_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
return 0;
}
int32_t
init (xlator_t *this)
{
if (!this->children || this->children->next) {
gf_log (this->name, GF_LOG_ERROR,
"translator not configured with exactly one child");
return -1;
}
if (!this->parents) {
gf_log (this->name, GF_LOG_WARNING,
"dangling volume. check volfile ");
}
return 0;
}
void
fini (xlator_t *this)
{
return;
}
struct xlator_fops fops = {
.open = worm_open,
.unlink = ro_unlink,
.rmdir = ro_rmdir,
.rename = ro_rename,
.truncate = ro_truncate,
.removexattr = ro_removexattr,
.fsyncdir = ro_fsyncdir,
.xattrop = ro_xattrop,
.inodelk = ro_inodelk,
.finodelk = ro_finodelk,
.entrylk = ro_entrylk,
.fentrylk = ro_fentrylk,
.lk = ro_lk,
};
struct xlator_cbks cbks = {
};
struct volume_options options[] = {
{ .key = {NULL} },
};
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