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/*
Copyright (c) 2008-2009 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"
int32_t
ro_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
gf_xattrop_flags_t flags, dict_t *dict)
{
STACK_UNWIND_STRICT (xattrop, frame, -1, EROFS, NULL);
return 0;
}
int32_t
ro_fxattrop (call_frame_t *frame, xlator_t *this,
fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict)
{
STACK_UNWIND_STRICT (fxattrop, frame, -1, EROFS, NULL);
return 0;
}
int32_t
ro_entrylk (call_frame_t *frame, xlator_t *this, const char *volume,
loc_t *loc, const char *basename, entrylk_cmd cmd,
entrylk_type type)
{
STACK_UNWIND_STRICT (entrylk, frame, -1, EROFS);
return 0;
}
int32_t
ro_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume,
fd_t *fd, const char *basename, entrylk_cmd cmd, entrylk_type type)
{
STACK_UNWIND_STRICT (fentrylk, frame, -1, EROFS);
return 0;
}
int32_t
ro_inodelk (call_frame_t *frame, xlator_t *this, const char *volume,
loc_t *loc, int32_t cmd, struct flock *lock)
{
STACK_UNWIND_STRICT (inodelk, frame, -1, EROFS);
return 0;
}
int32_t
ro_finodelk (call_frame_t *frame, xlator_t *this, const char *volume,
fd_t *fd, int32_t cmd, struct flock *lock)
{
STACK_UNWIND_STRICT (finodelk, frame, -1, EROFS);
return 0;
}
int32_t
ro_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd,
struct flock *flock)
{
STACK_UNWIND_STRICT (lk, frame, -1, EROFS, NULL);
return 0;
}
int32_t
ro_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
struct iatt *stbuf, int32_t valid)
{
STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL);
return 0;
}
int32_t
ro_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iatt *stbuf, int32_t valid)
{
STACK_UNWIND_STRICT (fsetattr, frame, -1, EROFS, NULL, NULL);
return 0;
}
int32_t
ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)
{
STACK_UNWIND_STRICT (truncate, frame, -1, EROFS, NULL, NULL);
return 0;
}
int32_t
ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
{
STACK_UNWIND_STRICT (ftruncate, frame, -1, EROFS, NULL, NULL);
return 0;
}
int
ro_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
dev_t rdev, dict_t *params)
{
STACK_UNWIND_STRICT (mknod, frame, -1, EROFS, NULL, NULL, NULL, NULL);
return 0;
}
int
ro_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
dict_t *params)
{
STACK_UNWIND_STRICT (mkdir, frame, -1, EROFS, NULL, NULL, NULL, NULL);
return 0;
}
int32_t
ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)
{
STACK_UNWIND_STRICT (unlink, frame, -1, EROFS, NULL, NULL);
return 0;
}
int32_t
ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc)
{
STACK_UNWIND_STRICT (rmdir, frame, -1, EROFS, NULL, NULL);
return 0;
}
int
ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
loc_t *loc, dict_t *params)
{
STACK_UNWIND_STRICT (symlink, frame, -1, EROFS, NULL, NULL, NULL, NULL);
return 0;
}
int32_t
ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc)
{
STACK_UNWIND_STRICT (rename, frame, -1, EROFS, NULL, NULL, NULL, NULL,
NULL);
return 0;
}
int32_t
ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc)
{
STACK_UNWIND_STRICT (link, frame, -1, EROFS, NULL, NULL, NULL, NULL);
return 0;
}
int32_t
ro_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
mode_t mode, fd_t *fd, dict_t *params)
{
STACK_UNWIND_STRICT (create, frame, -1, EROFS, NULL, NULL, NULL,
NULL, NULL);
return 0;
}
static int32_t
ro_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
ro_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)) {
STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL);
return 0;
}
STACK_WIND (frame, ro_open_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
return 0;
}
int32_t
ro_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
int32_t flags)
{
STACK_UNWIND_STRICT (fsetxattr, frame, -1, EROFS);
return 0;
}
int32_t
ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags)
{
STACK_UNWIND_STRICT (fsyncdir, frame, -1, EROFS);
return 0;
}
int32_t
ro_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
int32_t count, off_t off, struct iobref *iobref)
{
STACK_UNWIND_STRICT (writev, frame, -1, EROFS, NULL, NULL);
return 0;
}
int32_t
ro_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
int32_t flags)
{
STACK_UNWIND_STRICT (setxattr, frame, -1, EROFS);
return 0;
}
int32_t
ro_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
const char *name)
{
STACK_UNWIND_STRICT (removexattr, frame, -1, EROFS);
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 = {
.mknod = ro_mknod,
.mkdir = ro_mkdir,
.unlink = ro_unlink,
.rmdir = ro_rmdir,
.symlink = ro_symlink,
.rename = ro_rename,
.link = ro_link,
.truncate = ro_truncate,
.open = ro_open,
.writev = ro_writev,
.setxattr = ro_setxattr,
.fsetxattr = ro_fsetxattr,
.removexattr = ro_removexattr,
.fsyncdir = ro_fsyncdir,
.ftruncate = ro_ftruncate,
.create = ro_create,
.setattr = ro_setattr,
.fsetattr = ro_fsetattr,
.xattrop = ro_xattrop,
.fxattrop = ro_fxattrop,
.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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