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-rw-r--r--xlators/features/read-only/Makefile.am3
-rw-r--r--xlators/features/read-only/src/Makefile.am22
-rw-r--r--xlators/features/read-only/src/read-only-common.c239
-rw-r--r--xlators/features/read-only/src/read-only-common.h115
-rw-r--r--xlators/features/read-only/src/read-only.c77
-rw-r--r--xlators/features/read-only/src/worm.c89
6 files changed, 545 insertions, 0 deletions
diff --git a/xlators/features/read-only/Makefile.am b/xlators/features/read-only/Makefile.am
new file mode 100644
index 000000000..d471a3f92
--- /dev/null
+++ b/xlators/features/read-only/Makefile.am
@@ -0,0 +1,3 @@
+SUBDIRS = src
+
+CLEANFILES =
diff --git a/xlators/features/read-only/src/Makefile.am b/xlators/features/read-only/src/Makefile.am
new file mode 100644
index 000000000..4c1462137
--- /dev/null
+++ b/xlators/features/read-only/src/Makefile.am
@@ -0,0 +1,22 @@
+xlator_LTLIBRARIES = read-only.la worm.la
+
+xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features
+
+noinst_HEADERS = read-only-common.h
+
+read_only_la_LDFLAGS = -module -avoid-version
+
+read_only_la_SOURCES = read-only.c read-only-common.c
+read_only_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+
+worm_la_LDFLAGS = -module -avoid-version
+
+worm_la_SOURCES = read-only-common.c worm.c
+worm_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+
+AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src
+
+AM_CFLAGS = -Wall $(GF_CFLAGS)
+
+CLEANFILES =
+
diff --git a/xlators/features/read-only/src/read-only-common.c b/xlators/features/read-only/src/read-only-common.c
new file mode 100644
index 000000000..56a7a7176
--- /dev/null
+++ b/xlators/features/read-only/src/read-only-common.c
@@ -0,0 +1,239 @@
+/*
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#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, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (xattrop, frame, -1, EROFS, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_fxattrop (call_frame_t *frame, xlator_t *this,
+ fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (fxattrop, frame, -1, EROFS, NULL, xdata);
+ 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, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (entrylk, frame, -1, EROFS, xdata);
+ 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, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (fentrylk, frame, -1, EROFS, xdata);
+ return 0;
+}
+
+int32_t
+ro_inodelk (call_frame_t *frame, xlator_t *this, const char *volume,
+ loc_t *loc, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (inodelk, frame, -1, EROFS, xdata);
+ return 0;
+}
+
+int32_t
+ro_finodelk (call_frame_t *frame, xlator_t *this, const char *volume,
+ fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (finodelk, frame, -1, EROFS, xdata);
+ return 0;
+}
+
+int32_t
+ro_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd,
+ struct gf_flock *flock, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (lk, frame, -1, EROFS, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (fsetattr, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+
+int32_t
+ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (truncate, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (ftruncate, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+int
+ro_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, mode_t umask, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (mknod, frame, -1, EROFS, NULL, NULL, NULL, NULL, xdata);
+ return 0;
+}
+
+
+int
+ro_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (mkdir, frame, -1, EROFS, NULL, NULL, NULL, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (unlink, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+
+int
+ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (rmdir, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+
+int
+ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *loc, mode_t umask, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (symlink, frame, -1, EROFS, NULL, NULL, NULL,
+ NULL, xdata);
+ return 0;
+}
+
+
+
+int32_t
+ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (rename, frame, -1, EROFS, NULL, NULL, NULL, NULL,
+ NULL, xdata);
+ return 0;
+}
+
+
+int32_t
+ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (link, frame, -1, EROFS, NULL, NULL, NULL, NULL, xdata);
+ return 0;
+}
+
+int32_t
+ro_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (create, frame, -1, EROFS, NULL, NULL, NULL,
+ NULL, NULL, xdata);
+ 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, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata);
+ return 0;
+}
+
+int32_t
+ro_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata)
+{
+ if (((flags & O_ACCMODE) == O_WRONLY) ||
+ ((flags & O_ACCMODE) == O_RDWR)) {
+ STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL, xdata);
+ return 0;
+ }
+
+ STACK_WIND (frame, ro_open_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open, loc, flags, fd, xdata);
+ return 0;
+}
+
+int32_t
+ro_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (fsetxattr, frame, -1, EROFS, xdata);
+ return 0;
+}
+
+int32_t
+ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (fsyncdir, frame, -1, EROFS, xdata);
+ 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, uint32_t flags, struct iobref *iobref, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (writev, frame, -1, EROFS, NULL, NULL, xdata);
+ return 0;
+}
+
+
+int32_t
+ro_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (setxattr, frame, -1, EROFS, xdata);
+ return 0;
+}
+
+int32_t
+ro_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (removexattr, frame, -1, EROFS, xdata);
+ return 0;
+}
diff --git a/xlators/features/read-only/src/read-only-common.h b/xlators/features/read-only/src/read-only-common.h
new file mode 100644
index 000000000..5d4c7e260
--- /dev/null
+++ b/xlators/features/read-only/src/read-only-common.h
@@ -0,0 +1,115 @@
+/*
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#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, dict_t *xdata);
+
+int32_t
+ro_fxattrop (call_frame_t *frame, xlator_t *this,
+ fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
+
+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, dict_t *xdata);
+
+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, dict_t *xdata);
+
+int32_t
+ro_inodelk (call_frame_t *frame, xlator_t *this, const char *volume,
+ loc_t *loc, int32_t cmd, struct gf_flock *lock, dict_t *xdata);
+
+int32_t
+ro_finodelk (call_frame_t *frame, xlator_t *this, const char *volume,
+ fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata);
+
+int32_t
+ro_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd,
+ struct gf_flock *flock, dict_t *xdata);
+
+int32_t
+ro_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata);
+
+int32_t
+ro_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ struct iatt *stbuf, int32_t valid, dict_t *xdata);
+
+
+int32_t
+ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata);
+
+int32_t
+ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata);
+
+int
+ro_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, mode_t umask, dict_t *xdata);
+
+int
+ro_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata);
+
+int32_t
+ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata);
+
+int
+ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata);
+
+
+int
+ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *loc, mode_t umask, dict_t *xdata);
+
+int32_t
+ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata);
+
+int32_t
+ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata);
+
+int32_t
+ro_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata);
+
+int32_t
+ro_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata);
+
+int32_t
+ro_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata);
+
+int32_t
+ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, dict_t *xdata);
+
+int32_t
+ro_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
+ int32_t count, off_t off, uint32_t flags, struct iobref *iobref, dict_t *xdata);
+
+int32_t
+ro_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata);
+
+int32_t
+ro_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata);
diff --git a/xlators/features/read-only/src/read-only.c b/xlators/features/read-only/src/read-only.c
new file mode 100644
index 000000000..e49e54a1b
--- /dev/null
+++ b/xlators/features/read-only/src/read-only.c
@@ -0,0 +1,77 @@
+/*
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "xlator.h"
+#include "defaults.h"
+#include "read-only-common.h"
+
+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} },
+};
diff --git a/xlators/features/read-only/src/worm.c b/xlators/features/read-only/src/worm.c
new file mode 100644
index 000000000..16c3eb3da
--- /dev/null
+++ b/xlators/features/read-only/src/worm.c
@@ -0,0 +1,89 @@
+/*
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#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, dict_t *xdata)
+{
+ STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, xdata);
+ return 0;
+}
+
+int32_t
+worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata)
+{
+ if ((((flags & O_ACCMODE) == O_WRONLY) ||
+ ((flags & O_ACCMODE) == O_RDWR)) &&
+ !(flags & O_APPEND)) {
+ STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL, NULL);
+ return 0;
+ }
+
+ STACK_WIND (frame, worm_open_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->open, loc, flags, fd, xdata);
+ 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} },
+};
+
generated by cgit (git 2.34.1) at 2026-01-05 20:01:33 +0000