diff options
author | shishir <shishirng@gluster.com> | 2011-07-19 16:02:12 +0530 |
---|---|---|
committer | Anand Avati <avati@gluster.com> | 2011-08-10 22:51:56 -0700 |
commit | 86999525240983dcbd3fe66eb40a0947730c695c (patch) | |
tree | 47ca5e1e42634de69280525f7032848cdcf6661f /xlators/features/read-only/src/read-only-common.c | |
parent | 5ce1b5c357d490f68ae89bfd3ce31326a81a1183 (diff) |
WORM: Write Once Read Many times xlator support
This xlator will allow files to be opened for write in append mode
only. Mount with --worm(glusterfs) or -o worm (mount) option to
enable worm xlator
Change-Id: I1be02fcf2aee2182ea2c66b514357918136fabeb
BUG: 3166
Reviewed-on: http://review.gluster.com/23
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>
Diffstat (limited to 'xlators/features/read-only/src/read-only-common.c')
-rw-r--r-- | xlators/features/read-only/src/read-only-common.c | 246 |
1 files changed, 246 insertions, 0 deletions
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 00000000000..5e4949ee0c2 --- /dev/null +++ b/xlators/features/read-only/src/read-only-common.c @@ -0,0 +1,246 @@ +/* + 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" + +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 gf_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 gf_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 gf_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; +} + + +int +ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags) +{ + 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; +} |