diff options
Diffstat (limited to 'xlators/features/read-only')
| -rw-r--r-- | xlators/features/read-only/src/Makefile.am | 19 | ||||
| -rw-r--r-- | xlators/features/read-only/src/read-only-common.c | 239 | ||||
| -rw-r--r-- | xlators/features/read-only/src/read-only-common.h | 115 | ||||
| -rw-r--r-- | xlators/features/read-only/src/read-only.c | 240 | ||||
| -rw-r--r-- | xlators/features/read-only/src/worm.c | 89 |
5 files changed, 464 insertions, 238 deletions
diff --git a/xlators/features/read-only/src/Makefile.am b/xlators/features/read-only/src/Makefile.am index 15f49966f..4c1462137 100644 --- a/xlators/features/read-only/src/Makefile.am +++ b/xlators/features/read-only/src/Makefile.am @@ -1,13 +1,22 @@ -xlator_LTLIBRARIES = read-only.la +xlator_LTLIBRARIES = read-only.la worm.la + xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features -read_only_la_LDFLAGS = -module -avoidversion +noinst_HEADERS = read-only-common.h + +read_only_la_LDFLAGS = -module -avoid-version -read_only_la_SOURCES = read-only.c +read_only_la_SOURCES = read-only.c read-only-common.c read_only_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la -AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS) \ - -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) +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 index b8ba92184..e49e54a1b 100644 --- a/xlators/features/read-only/src/read-only.c +++ b/xlators/features/read-only/src/read-only.c @@ -1,22 +1,12 @@ /* - Copyright (c) 2008-2009 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.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/>. + 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" @@ -24,223 +14,7 @@ #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; -} +#include "read-only-common.h" int32_t init (xlator_t *this) 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} }, +}; + |