/* Copyright (c) 2008-2009 Gluster, Inc. 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 . */ #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; } int32_t ro_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, dev_t rdev) { STACK_UNWIND_STRICT (mknod, frame, -1, EROFS, NULL, NULL, NULL, NULL); return 0; } int32_t ro_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode) { 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; } int32_t ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, loc_t *loc) { 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) { 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} }, };