diff options
Diffstat (limited to 'xlators/features/read-only/src')
| -rw-r--r-- | xlators/features/read-only/src/read-only-common.c | 555 | ||||
| -rw-r--r-- | xlators/features/read-only/src/read-only.c | 167 | ||||
| -rw-r--r-- | xlators/features/read-only/src/worm-helper.c | 604 | ||||
| -rw-r--r-- | xlators/features/read-only/src/worm.c | 1069 |
4 files changed, 1147 insertions, 1248 deletions
diff --git a/xlators/features/read-only/src/read-only-common.c b/xlators/features/read-only/src/read-only-common.c index f4851a4be40..39985169991 100644 --- a/xlators/features/read-only/src/read-only-common.c +++ b/xlators/features/read-only/src/read-only-common.c @@ -12,424 +12,395 @@ #include "defaults.h" gf_boolean_t -is_readonly_or_worm_enabled (call_frame_t *frame, xlator_t *this) +is_readonly_or_worm_enabled(call_frame_t *frame, xlator_t *this) { - read_only_priv_t *priv = NULL; - gf_boolean_t readonly_or_worm_enabled = _gf_false; + read_only_priv_t *priv = NULL; + gf_boolean_t readonly_or_worm_enabled = _gf_false; - priv = this->private; - GF_ASSERT (priv); + priv = this->private; + GF_ASSERT(priv); - readonly_or_worm_enabled = priv->readonly_or_worm_enabled; + readonly_or_worm_enabled = priv->readonly_or_worm_enabled; - if (frame->root->pid < GF_CLIENT_PID_MAX) - readonly_or_worm_enabled = _gf_false; + if (frame->root->pid < GF_CLIENT_PID_MAX) + readonly_or_worm_enabled = _gf_false; - return readonly_or_worm_enabled; + return readonly_or_worm_enabled; } static int -_check_key_is_zero_filled (dict_t *d, char *k, data_t *v, - void *tmp) +_check_key_is_zero_filled(dict_t *d, char *k, data_t *v, void *tmp) { - if (mem_0filled ((const char *)v->data, v->len)) { - /* -1 means, no more iterations, treat as 'break' */ - return -1; - } - return 0; + if (mem_0filled((const char *)v->data, v->len)) { + /* -1 means, no more iterations, treat as 'break' */ + return -1; + } + return 0; } 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) +ro_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc, + gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata) { - gf_boolean_t allzero = _gf_false; - int ret = 0; - - ret = dict_foreach (dict, _check_key_is_zero_filled, NULL); - if (ret == 0) - allzero = _gf_true; - - if (is_readonly_or_worm_enabled (frame, this) && !allzero) - STACK_UNWIND_STRICT (xattrop, frame, -1, EROFS, NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->xattrop, - loc, flags, dict, xdata); - return 0; + gf_boolean_t allzero = _gf_false; + int ret = 0; + + ret = dict_foreach(dict, _check_key_is_zero_filled, NULL); + if (ret == 0) + allzero = _gf_true; + + if (is_readonly_or_worm_enabled(frame, this) && !allzero) + STACK_UNWIND_STRICT(xattrop, frame, -1, EROFS, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->xattrop, loc, flags, dict, + 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) +ro_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd, + gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata) { - gf_boolean_t allzero = _gf_false; - int ret = 0; + gf_boolean_t allzero = _gf_false; + int ret = 0; - ret = dict_foreach (dict, _check_key_is_zero_filled, NULL); - if (ret == 0) - allzero = _gf_true; + ret = dict_foreach(dict, _check_key_is_zero_filled, NULL); + if (ret == 0) + allzero = _gf_true; - if (is_readonly_or_worm_enabled (frame, this) && !allzero) - STACK_UNWIND_STRICT (fxattrop, frame, -1, EROFS, NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fxattrop, - fd, flags, dict, xdata); + if (is_readonly_or_worm_enabled(frame, this) && !allzero) + STACK_UNWIND_STRICT(fxattrop, frame, -1, EROFS, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fxattrop, fd, flags, dict, + xdata); - return 0; + 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) +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_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->entrylk, - volume, loc, basename, cmd, type, xdata); + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->entrylk, + volume, loc, basename, cmd, type, xdata); - return 0; + 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) +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_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fentrylk, - volume, fd, basename, cmd, type, xdata); + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->fentrylk, + volume, fd, basename, cmd, type, xdata); - return 0; + 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) +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_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->inodelk, - volume, loc, cmd, lock, xdata); + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->inodelk, + volume, loc, cmd, lock, xdata); - return 0; + 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) +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_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->finodelk, - volume, fd, cmd, lock, xdata); + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->finodelk, + volume, fd, cmd, lock, xdata); - return 0; + 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) +ro_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd, + struct gf_flock *flock, dict_t *xdata) { - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->lk, fd, cmd, flock, - xdata); + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->lk, fd, + cmd, flock, xdata); - return 0; + 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) +ro_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf, + int32_t valid, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->setattr, loc, stbuf, - valid, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(setattr, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->setattr, loc, stbuf, valid, + 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) +ro_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf, + int32_t valid, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (fsetattr, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fsetattr, fd, stbuf, - valid, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(fsetattr, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fsetattr, fd, stbuf, valid, + xdata); + + return 0; } - int32_t -ro_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata) +ro_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (truncate, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->truncate, loc, offset, - xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(truncate, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->truncate, loc, offset, xdata); + + return 0; } int32_t -ro_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata) +ro_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (ftruncate, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->ftruncate, fd, offset, - xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(ftruncate, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->ftruncate, fd, offset, xdata); + + return 0; } int32_t -ro_fallocate (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, - off_t offset, size_t len, dict_t *xdata) +ro_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, + off_t offset, size_t len, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (fallocate, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fallocate, fd, mode, - offset, len, xdata); - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(fallocate, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fallocate, fd, mode, offset, + len, 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) +ro_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, + dev_t rdev, mode_t umask, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (mknod, frame, -1, EROFS, NULL, NULL, NULL, - NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->mknod, loc, mode, - rdev, umask, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(mknod, frame, -1, EROFS, NULL, NULL, NULL, NULL, + xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, umask, + 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) +ro_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, + mode_t umask, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (mkdir, frame, -1, EROFS, NULL, NULL, NULL, - NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->mkdir, loc, mode, - umask, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(mkdir, frame, -1, EROFS, NULL, NULL, NULL, NULL, + xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->mkdir, loc, mode, umask, + xdata); + + return 0; } int32_t -ro_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag, - dict_t *xdata) +ro_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (unlink, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->unlink, loc, xflag, - xdata); + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(unlink, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->unlink, loc, xflag, xdata); - return 0; + return 0; } - int -ro_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, - dict_t *xdata) +ro_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (rmdir, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->rmdir, loc, flags, - xdata); + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(rmdir, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->rmdir, loc, flags, xdata); - return 0; + return 0; } - int -ro_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, - loc_t *loc, mode_t umask, dict_t *xdata) +ro_symlink(call_frame_t *frame, xlator_t *this, const char *linkpath, + loc_t *loc, mode_t umask, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (symlink, frame, -1, EROFS, NULL, NULL, - NULL, NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->symlink, linkpath, - loc, umask, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(symlink, frame, -1, EROFS, NULL, NULL, NULL, NULL, + xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->symlink, linkpath, loc, umask, + xdata); + + return 0; } - - int32_t -ro_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, - dict_t *xdata) +ro_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (rename, frame, -1, EROFS, NULL, NULL, NULL, - NULL, NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->rename, oldloc, - newloc, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(rename, frame, -1, EROFS, NULL, NULL, NULL, NULL, + NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->rename, oldloc, newloc, xdata); + + return 0; } - int32_t -ro_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata) +ro_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (link, frame, -1, EROFS, NULL, NULL, NULL, - NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->link, oldloc, newloc, - xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(link, frame, -1, EROFS, NULL, NULL, NULL, NULL, + xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->link, + oldloc, newloc, 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) +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) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (create, frame, -1, EROFS, NULL, NULL, NULL, - NULL, NULL, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->create, loc, flags, - mode, umask, fd, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(create, frame, -1, EROFS, NULL, NULL, NULL, NULL, + NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->create, loc, flags, mode, + umask, fd, 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) +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; + 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) +ro_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, + fd_t *fd, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this) && - (((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; + if (is_readonly_or_worm_enabled(frame, this) && + (((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) +ro_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict, + int32_t flags, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (fsetxattr, frame, -1, EROFS, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fsetxattr, fd, dict, - flags, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(fsetxattr, frame, -1, EROFS, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fsetxattr, fd, dict, flags, + xdata); + + return 0; } int32_t -ro_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, - dict_t *xdata) +ro_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, + dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (fsyncdir, frame, -1, EROFS, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->fsyncdir, fd, flags, - xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(fsyncdir, frame, -1, EROFS, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fsyncdir, fd, flags, 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) +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) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (writev, frame, -1, EROFS, NULL, NULL, - xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->writev, fd, vector, - count, off, flags, iobref, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(writev, frame, -1, EROFS, NULL, NULL, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->writev, fd, vector, count, off, + flags, iobref, 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) +ro_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict, + int32_t flags, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (setxattr, frame, -1, EROFS, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->setxattr, loc, dict, - flags, xdata); - - return 0; + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(setxattr, frame, -1, EROFS, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->setxattr, loc, dict, flags, + xdata); + + return 0; } int32_t -ro_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name, dict_t *xdata) +ro_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc, + const char *name, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this)) - STACK_UNWIND_STRICT (removexattr, frame, -1, EROFS, xdata); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->removexattr, loc, - name, xdata); + if (is_readonly_or_worm_enabled(frame, this)) + STACK_UNWIND_STRICT(removexattr, frame, -1, EROFS, xdata); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->removexattr, loc, name, xdata); - return 0; + return 0; } diff --git a/xlators/features/read-only/src/read-only.c b/xlators/features/read-only/src/read-only.c index 207b2b1a1d6..c92a9801196 100644 --- a/xlators/features/read-only/src/read-only.c +++ b/xlators/features/read-only/src/read-only.c @@ -13,125 +13,120 @@ #include "read-only.h" int32_t -mem_acct_init (xlator_t *this) +mem_acct_init(xlator_t *this) { - int ret = -1; + int ret = -1; - ret = xlator_mem_acct_init (this, gf_read_only_mt_end + 1); - if (ret) - gf_log (this->name, GF_LOG_ERROR, "Memory accounting " - "initialization failed."); + ret = xlator_mem_acct_init(this, gf_read_only_mt_end + 1); + if (ret) + gf_log(this->name, GF_LOG_ERROR, + "Memory accounting " + "initialization failed."); - return ret; + return ret; } int32_t -init (xlator_t *this) +init(xlator_t *this) { - int ret = -1; - read_only_priv_t *priv = NULL; + int ret = -1; + read_only_priv_t *priv = NULL; - if (!this->children || this->children->next) { - gf_log (this->name, GF_LOG_ERROR, - "translator not configured with exactly one child"); - return -1; - } + 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 "); - } + if (!this->parents) { + gf_log(this->name, GF_LOG_WARNING, "dangling volume. check volfile "); + } - priv = GF_CALLOC (1, sizeof (*priv), gf_read_only_mt_priv_t); - if (!priv) - goto out; + priv = GF_CALLOC(1, sizeof(*priv), gf_read_only_mt_priv_t); + if (!priv) + goto out; - this->private = priv; + this->private = priv; - GF_OPTION_INIT ("read-only", priv->readonly_or_worm_enabled, bool, out); + GF_OPTION_INIT("read-only", priv->readonly_or_worm_enabled, bool, out); - ret = 0; + ret = 0; out: - return ret; + return ret; } int -reconfigure (xlator_t *this, dict_t *options) +reconfigure(xlator_t *this, dict_t *options) { - read_only_priv_t *priv = NULL; - int ret = -1; - gf_boolean_t readonly_or_worm_enabled = _gf_false; + read_only_priv_t *priv = NULL; + int ret = -1; + gf_boolean_t readonly_or_worm_enabled = _gf_false; - priv = this->private; - GF_ASSERT (priv); + priv = this->private; + GF_ASSERT(priv); - GF_OPTION_RECONF ("read-only", readonly_or_worm_enabled, options, bool, - out); - priv->readonly_or_worm_enabled = readonly_or_worm_enabled; - ret = 0; + GF_OPTION_RECONF("read-only", readonly_or_worm_enabled, options, bool, out); + priv->readonly_or_worm_enabled = readonly_or_worm_enabled; + ret = 0; out: - gf_log (this->name, GF_LOG_DEBUG, "returning %d", ret); - return ret; + gf_log(this->name, GF_LOG_DEBUG, "returning %d", ret); + return ret; } void -fini (xlator_t *this) +fini(xlator_t *this) { - read_only_priv_t *priv = NULL; + read_only_priv_t *priv = NULL; - priv = this->private; - if (!priv) - return; + priv = this->private; + if (!priv) + return; - this->private = NULL; - GF_FREE (priv); + this->private = NULL; + GF_FREE(priv); - return; + 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, - .fallocate = ro_fallocate, + .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, + .fallocate = ro_fallocate, }; -struct xlator_cbks cbks = { -}; +struct xlator_cbks cbks = {}; struct volume_options options[] = { - { .key = {"read-only"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "off", - /*.validate_fn = validate_boolean,*/ - .op_version = {1}, - .flags = OPT_FLAG_SETTABLE, - .description = "When \"on\", makes a volume read-only. It is turned " - "\"off\" by default." - }, - { .key = {NULL} - }, + {.key = {"read-only"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "off", + /*.validate_fn = validate_boolean,*/ + .op_version = {1}, + .flags = OPT_FLAG_SETTABLE, + .description = "When \"on\", makes a volume read-only. It is turned " + "\"off\" by default."}, + {.key = {NULL}}, }; diff --git a/xlators/features/read-only/src/worm-helper.c b/xlators/features/read-only/src/worm-helper.c index b5fa4f84a29..3f882fe08d6 100644 --- a/xlators/features/read-only/src/worm-helper.c +++ b/xlators/features/read-only/src/worm-helper.c @@ -18,276 +18,261 @@ * the write protection bits for all the users of the file. * Return true if all the write bits are disabled,false otherwise*/ gf_boolean_t -gf_worm_write_disabled (struct iatt *stbuf) +gf_worm_write_disabled(struct iatt *stbuf) { - gf_boolean_t ret = _gf_false; + gf_boolean_t ret = _gf_false; - GF_VALIDATE_OR_GOTO ("worm", stbuf, out); + GF_VALIDATE_OR_GOTO("worm", stbuf, out); - if (stbuf->ia_prot.owner.write == 0 && - stbuf->ia_prot.group.write == 0 && - stbuf->ia_prot.other.write == 0) - ret = _gf_true; + if (stbuf->ia_prot.owner.write == 0 && stbuf->ia_prot.group.write == 0 && + stbuf->ia_prot.other.write == 0) + ret = _gf_true; out: - return ret; + return ret; } - int32_t -worm_init_state (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr) +worm_init_state(xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr) { - int ret = -1; - uint64_t start_time = 0; - dict_t *dict = NULL; - - GF_VALIDATE_OR_GOTO ("worm", this, out); - GF_VALIDATE_OR_GOTO (this->name, file_ptr, out); - - start_time = time (NULL); - dict = dict_new (); - if (!dict) { - gf_log (this->name, GF_LOG_ERROR, "Error creating the dict"); - goto out; - } - ret = dict_set_uint64 (dict, "trusted.start_time", start_time); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Error in setting the dict"); - goto out; - } - if (fop_with_fd) - ret = syncop_fsetxattr (this, (fd_t *)file_ptr, dict, 0, - NULL, NULL); - else - ret = syncop_setxattr (this, (loc_t *)file_ptr, dict, 0, NULL, - NULL); + int ret = -1; + uint64_t start_time = 0; + dict_t *dict = NULL; + + GF_VALIDATE_OR_GOTO("worm", this, out); + GF_VALIDATE_OR_GOTO(this->name, file_ptr, out); + + start_time = time(NULL); + dict = dict_new(); + if (!dict) { + gf_log(this->name, GF_LOG_ERROR, "Error creating the dict"); + goto out; + } + ret = dict_set_uint64(dict, "trusted.start_time", start_time); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error in setting the dict"); + goto out; + } + if (fop_with_fd) + ret = syncop_fsetxattr(this, (fd_t *)file_ptr, dict, 0, NULL, NULL); + else + ret = syncop_setxattr(this, (loc_t *)file_ptr, dict, 0, NULL, NULL); out: - if (dict) - dict_unref (dict); - return ret; + if (dict) + dict_unref(dict); + return ret; } - /*Function to set the retention state for a file. * It loads the WORM/Retention state into the retention_state pointer.*/ int32_t -worm_set_state (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, - worm_reten_state_t *retention_state, struct iatt *stbuf) +worm_set_state(xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, + worm_reten_state_t *retention_state, struct iatt *stbuf) { - read_only_priv_t *priv = NULL; - struct iatt stpre = {0,}; - int ret = -1; - - GF_VALIDATE_OR_GOTO ("worm", this, out); - GF_VALIDATE_OR_GOTO (this->name, file_ptr, out); - GF_VALIDATE_OR_GOTO (this->name, retention_state, out); - GF_VALIDATE_OR_GOTO (this->name, stbuf, out); - - priv = this->private; - GF_ASSERT (priv); - retention_state->worm = 1; - retention_state->retain = 1; - retention_state->legal_hold = 0; - if (strcmp (priv->reten_mode, "relax") == 0) - retention_state->ret_mode = 0; - else - retention_state->ret_mode = 1; - retention_state->ret_period = priv->reten_period; - retention_state->auto_commit_period = priv->com_period; - if (fop_with_fd) - ret = syncop_fstat (this, (fd_t *)file_ptr, &stpre, NULL, NULL); - else - ret = syncop_stat (this, (loc_t *)file_ptr, &stpre, NULL, NULL); - if (ret) - goto out; - stbuf->ia_mtime = stpre.ia_mtime; - stbuf->ia_atime = time (NULL) + retention_state->ret_period; - - if (fop_with_fd) - ret = syncop_fsetattr (this, (fd_t *)file_ptr, stbuf, - GF_SET_ATTR_ATIME, NULL, NULL, - NULL, NULL); - else - ret = syncop_setattr (this, (loc_t *)file_ptr, stbuf, - GF_SET_ATTR_ATIME, NULL, NULL, - NULL, NULL); - if (ret) - goto out; - - ret = gf_worm_set_xattr (this, retention_state, fop_with_fd, file_ptr); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Error setting xattr"); - goto out; - } - ret = 0; + read_only_priv_t *priv = NULL; + struct iatt stpre = { + 0, + }; + int ret = -1; + + GF_VALIDATE_OR_GOTO("worm", this, out); + GF_VALIDATE_OR_GOTO(this->name, file_ptr, out); + GF_VALIDATE_OR_GOTO(this->name, retention_state, out); + GF_VALIDATE_OR_GOTO(this->name, stbuf, out); + + priv = this->private; + GF_ASSERT(priv); + retention_state->worm = 1; + retention_state->retain = 1; + retention_state->legal_hold = 0; + if (strcmp(priv->reten_mode, "relax") == 0) + retention_state->ret_mode = 0; + else + retention_state->ret_mode = 1; + retention_state->ret_period = priv->reten_period; + retention_state->auto_commit_period = priv->com_period; + if (fop_with_fd) + ret = syncop_fstat(this, (fd_t *)file_ptr, &stpre, NULL, NULL); + else + ret = syncop_stat(this, (loc_t *)file_ptr, &stpre, NULL, NULL); + if (ret) + goto out; + stbuf->ia_mtime = stpre.ia_mtime; + stbuf->ia_atime = time(NULL) + retention_state->ret_period; + + if (fop_with_fd) + ret = syncop_fsetattr(this, (fd_t *)file_ptr, stbuf, GF_SET_ATTR_ATIME, + NULL, NULL, NULL, NULL); + else + ret = syncop_setattr(this, (loc_t *)file_ptr, stbuf, GF_SET_ATTR_ATIME, + NULL, NULL, NULL, NULL); + if (ret) + goto out; + + ret = gf_worm_set_xattr(this, retention_state, fop_with_fd, file_ptr); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error setting xattr"); + goto out; + } + ret = 0; out: - return ret; + return ret; } - /*This function gets the state of the WORM/Retention xattr and loads it in the * dict pointer.*/ int32_t -worm_get_state (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, - worm_reten_state_t *reten_state) +worm_get_state(xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, + worm_reten_state_t *reten_state) { - dict_t *dict = NULL; - char *val = NULL; - int ret = -1; - - GF_VALIDATE_OR_GOTO ("worm", this, out); - GF_VALIDATE_OR_GOTO (this->name, file_ptr, out); - GF_VALIDATE_OR_GOTO (this->name, reten_state, out); - - if (fop_with_fd) - ret = syncop_fgetxattr (this, (fd_t *)file_ptr, &dict, - "trusted.reten_state", NULL, NULL); - else - ret = syncop_getxattr (this, (loc_t *)file_ptr, &dict, - "trusted.reten_state", NULL, NULL); - if (ret < 0 || !dict) { - ret = -1; - goto out; - } - ret = dict_get_str (dict, "trusted.reten_state", &val); - if (ret) { - ret = -2; - gf_log (this->name, GF_LOG_ERROR, "Empty val"); - } - gf_worm_deserialize_state (val, reten_state); + dict_t *dict = NULL; + char *val = NULL; + int ret = -1; + + GF_VALIDATE_OR_GOTO("worm", this, out); + GF_VALIDATE_OR_GOTO(this->name, file_ptr, out); + GF_VALIDATE_OR_GOTO(this->name, reten_state, out); + + if (fop_with_fd) + ret = syncop_fgetxattr(this, (fd_t *)file_ptr, &dict, + "trusted.reten_state", NULL, NULL); + else + ret = syncop_getxattr(this, (loc_t *)file_ptr, &dict, + "trusted.reten_state", NULL, NULL); + if (ret < 0 || !dict) { + ret = -1; + goto out; + } + ret = dict_get_str(dict, "trusted.reten_state", &val); + if (ret) { + ret = -2; + gf_log(this->name, GF_LOG_ERROR, "Empty val"); + } + gf_worm_deserialize_state(val, reten_state); out: - if (dict) - dict_unref (dict); - return ret; + if (dict) + dict_unref(dict); + return ret; } - /*Function to lookup the current state of the WORM/Retention profile. * Based on the retain value and the access time of the file, the transition * from WORM/Retention to WORM is made.*/ void -gf_worm_state_lookup (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, - worm_reten_state_t *reten_state, struct iatt *stbuf) +gf_worm_state_lookup(xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr, + worm_reten_state_t *reten_state, struct iatt *stbuf) { - int ret = -1; - - GF_VALIDATE_OR_GOTO ("worm", this, out); - GF_VALIDATE_OR_GOTO (this->name, file_ptr, out); - GF_VALIDATE_OR_GOTO (this->name, reten_state, out); - GF_VALIDATE_OR_GOTO (this->name, stbuf, out); - - stbuf->ia_atime -= reten_state->ret_period; - reten_state->retain = 0; - reten_state->ret_period = 0; - reten_state->auto_commit_period = 0; - ret = gf_worm_set_xattr (this, reten_state, fop_with_fd, file_ptr); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Error setting xattr"); - goto out; - } - - if (fop_with_fd) - ret = syncop_fsetattr (this, (fd_t *)file_ptr, stbuf, - GF_SET_ATTR_ATIME, NULL, NULL, - NULL, NULL); - else - ret = syncop_setattr (this, (loc_t *)file_ptr, stbuf, - GF_SET_ATTR_ATIME, NULL, NULL, - NULL, NULL); - if (ret) - goto out; - gf_log (this->name, GF_LOG_INFO, "Retention state reset"); + int ret = -1; + + GF_VALIDATE_OR_GOTO("worm", this, out); + GF_VALIDATE_OR_GOTO(this->name, file_ptr, out); + GF_VALIDATE_OR_GOTO(this->name, reten_state, out); + GF_VALIDATE_OR_GOTO(this->name, stbuf, out); + + stbuf->ia_atime -= reten_state->ret_period; + reten_state->retain = 0; + reten_state->ret_period = 0; + reten_state->auto_commit_period = 0; + ret = gf_worm_set_xattr(this, reten_state, fop_with_fd, file_ptr); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error setting xattr"); + goto out; + } + + if (fop_with_fd) + ret = syncop_fsetattr(this, (fd_t *)file_ptr, stbuf, GF_SET_ATTR_ATIME, + NULL, NULL, NULL, NULL); + else + ret = syncop_setattr(this, (loc_t *)file_ptr, stbuf, GF_SET_ATTR_ATIME, + NULL, NULL, NULL, NULL); + if (ret) + goto out; + gf_log(this->name, GF_LOG_INFO, "Retention state reset"); out: - return; + return; } - /*This function serializes and stores the WORM/Retention state of a file in an * uint64_t variable by setting the bits using the bitwise operations.*/ void -gf_worm_serialize_state (worm_reten_state_t *reten_state, char *val) +gf_worm_serialize_state(worm_reten_state_t *reten_state, char *val) { - uint32_t state = 0; + uint32_t state = 0; - GF_VALIDATE_OR_GOTO ("worm", reten_state, out); - GF_VALIDATE_OR_GOTO ("worm", val, out); + GF_VALIDATE_OR_GOTO("worm", reten_state, out); + GF_VALIDATE_OR_GOTO("worm", val, out); - state |= reten_state->worm << 0; - state |= reten_state->retain << 1; - state |= reten_state->legal_hold << 2; - state |= reten_state->ret_mode << 3; - sprintf (val, "%d/%"PRIu64"/%"PRIu64, state, reten_state->ret_period, - reten_state->auto_commit_period); + state |= reten_state->worm << 0; + state |= reten_state->retain << 1; + state |= reten_state->legal_hold << 2; + state |= reten_state->ret_mode << 3; + sprintf(val, "%d/%" PRIu64 "/%" PRIu64, state, reten_state->ret_period, + reten_state->auto_commit_period); out: - return; + return; } - /*This function deserializes the data stored in the xattr of the file and loads * the value to the reten_state structure.*/ void -gf_worm_deserialize_state (char *val, worm_reten_state_t *reten_state) +gf_worm_deserialize_state(char *val, worm_reten_state_t *reten_state) { - char *token = NULL; - uint32_t state = 0; - - GF_VALIDATE_OR_GOTO ("worm", val, out); - GF_VALIDATE_OR_GOTO ("worm", reten_state, out); - - token = strtok (val, "/"); - state = atoi (token); - reten_state->worm = (state >> 0) & 1; - reten_state->retain = (state >> 1) & 1; - reten_state->legal_hold = (state >> 2) & 1; - reten_state->ret_mode = (state >> 3) & 1; - token = strtok (NULL, "/"); - reten_state->ret_period = atoi (token); - token = strtok (NULL, "/"); - reten_state->auto_commit_period = atoi (token); + char *token = NULL; + uint32_t state = 0; + + GF_VALIDATE_OR_GOTO("worm", val, out); + GF_VALIDATE_OR_GOTO("worm", reten_state, out); + + token = strtok(val, "/"); + state = atoi(token); + reten_state->worm = (state >> 0) & 1; + reten_state->retain = (state >> 1) & 1; + reten_state->legal_hold = (state >> 2) & 1; + reten_state->ret_mode = (state >> 3) & 1; + token = strtok(NULL, "/"); + reten_state->ret_period = atoi(token); + token = strtok(NULL, "/"); + reten_state->auto_commit_period = atoi(token); out: - return; + return; } - /*Function to set the xattr for a file. * If the xattr is already present then it will replace that.*/ int32_t -gf_worm_set_xattr (xlator_t *this, worm_reten_state_t *reten_state, - gf_boolean_t fop_with_fd, void *file_ptr) +gf_worm_set_xattr(xlator_t *this, worm_reten_state_t *reten_state, + gf_boolean_t fop_with_fd, void *file_ptr) { - char val[100] = ""; - int ret = -1; - dict_t *dict = NULL; - - GF_VALIDATE_OR_GOTO ("worm", this, out); - GF_VALIDATE_OR_GOTO (this->name, reten_state, out); - GF_VALIDATE_OR_GOTO (this->name, file_ptr, out); - - gf_worm_serialize_state (reten_state, val); - dict = dict_new (); - if (!dict) { - gf_log (this->name, GF_LOG_ERROR, "Error creating the dict"); - goto out; - } - ret = dict_set_str (dict, "trusted.reten_state", val); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Error in setting the dict"); - goto out; - } - if (fop_with_fd) - ret = syncop_fsetxattr (this, (fd_t *)file_ptr, dict, 0, - NULL, NULL); - else - ret = syncop_setxattr (this, (loc_t *)file_ptr, dict, 0, NULL, - NULL); + char val[100] = ""; + int ret = -1; + dict_t *dict = NULL; + + GF_VALIDATE_OR_GOTO("worm", this, out); + GF_VALIDATE_OR_GOTO(this->name, reten_state, out); + GF_VALIDATE_OR_GOTO(this->name, file_ptr, out); + + gf_worm_serialize_state(reten_state, val); + dict = dict_new(); + if (!dict) { + gf_log(this->name, GF_LOG_ERROR, "Error creating the dict"); + goto out; + } + ret = dict_set_str(dict, "trusted.reten_state", val); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error in setting the dict"); + goto out; + } + if (fop_with_fd) + ret = syncop_fsetxattr(this, (fd_t *)file_ptr, dict, 0, NULL, NULL); + else + ret = syncop_setxattr(this, (loc_t *)file_ptr, dict, 0, NULL, NULL); out: - if (dict) - dict_unref (dict); - return ret; + if (dict) + dict_unref(dict); + return ret; } - /*This function checks whether a file's timeout is happened for the state * transition and if yes, then it will do the transition from the current state * to the appropriate state. It also decides whether to continue or to block @@ -299,115 +284,112 @@ out: * 2: Blocks the FOP if any operation fails while doing the state transition or * fails to get the state of the file.*/ int -gf_worm_state_transition (xlator_t *this, gf_boolean_t fop_with_fd, - void *file_ptr, glusterfs_fop_t op) +gf_worm_state_transition(xlator_t *this, gf_boolean_t fop_with_fd, + void *file_ptr, glusterfs_fop_t op) { - int op_errno = EROFS; - int ret = -1; - uint64_t com_period = 0; - uint64_t start_time = 0; - dict_t *dict = NULL; - worm_reten_state_t reten_state = {0,}; - read_only_priv_t *priv = NULL; - struct iatt stbuf = {0,}; - - priv = this->private; - GF_ASSERT (priv); - - if (fop_with_fd) - ret = syncop_fgetxattr (this, (fd_t *)file_ptr, &dict, - "trusted.start_time", NULL, NULL); - else - ret = syncop_getxattr (this, (loc_t *)file_ptr, &dict, - "trusted.start_time", NULL, NULL); - if (ret < 0 || !dict) { - op_errno = ret; - gf_msg (this->name, GF_LOG_ERROR, -ret, 0, - "Error getting xattr"); - goto out; - } - ret = dict_get_uint64 (dict, "trusted.start_time", &start_time); - if (ret) { - op_errno = ret; - gf_msg (this->name, GF_LOG_ERROR, -ret, 0, - "Error getting start time"); - goto out; - } - - com_period = priv->com_period; - if (fop_with_fd) - ret = syncop_fstat (this, (fd_t *)file_ptr, &stbuf, NULL, NULL); - else - ret = syncop_stat (this, (loc_t *)file_ptr, &stbuf, NULL, NULL); - if (ret) { + int op_errno = EROFS; + int ret = -1; + uint64_t com_period = 0; + uint64_t start_time = 0; + dict_t *dict = NULL; + worm_reten_state_t reten_state = { + 0, + }; + read_only_priv_t *priv = NULL; + struct iatt stbuf = { + 0, + }; + + priv = this->private; + GF_ASSERT(priv); + + if (fop_with_fd) + ret = syncop_fgetxattr(this, (fd_t *)file_ptr, &dict, + "trusted.start_time", NULL, NULL); + else + ret = syncop_getxattr(this, (loc_t *)file_ptr, &dict, + "trusted.start_time", NULL, NULL); + if (ret < 0 || !dict) { + op_errno = ret; + gf_msg(this->name, GF_LOG_ERROR, -ret, 0, "Error getting xattr"); + goto out; + } + ret = dict_get_uint64(dict, "trusted.start_time", &start_time); + if (ret) { + op_errno = ret; + gf_msg(this->name, GF_LOG_ERROR, -ret, 0, "Error getting start time"); + goto out; + } + + com_period = priv->com_period; + if (fop_with_fd) + ret = syncop_fstat(this, (fd_t *)file_ptr, &stbuf, NULL, NULL); + else + ret = syncop_stat(this, (loc_t *)file_ptr, &stbuf, NULL, NULL); + if (ret) { + op_errno = ret; + gf_msg(this->name, GF_LOG_ERROR, -ret, 0, "Error getting file stat"); + goto out; + } + + ret = worm_get_state(this, fop_with_fd, file_ptr, &reten_state); + if (ret == -2) { + op_errno = ret; + gf_msg(this->name, GF_LOG_ERROR, -ret, 0, + "Error getting worm/retention state"); + goto out; + } + + if (ret == -1 && (time(NULL) - start_time) >= com_period) { + if ((time(NULL) - stbuf.ia_mtime) >= com_period) { + ret = worm_set_state(this, fop_with_fd, file_ptr, &reten_state, + &stbuf); + if (ret) { op_errno = ret; - gf_msg (this->name, GF_LOG_ERROR, -ret, 0, - "Error getting file stat"); - goto out; - } - - ret = worm_get_state (this, fop_with_fd, file_ptr, &reten_state); - if (ret == -2) { - op_errno = ret; - gf_msg (this->name, GF_LOG_ERROR, -ret, 0, - "Error getting worm/retention state"); - goto out; - } - - if (ret == -1 && (time (NULL) - start_time) >= com_period) { - if ((time (NULL) - stbuf.ia_mtime) >= com_period) { - ret = worm_set_state(this, fop_with_fd, file_ptr, - &reten_state, &stbuf); - if (ret) { - op_errno = ret; - gf_msg (this->name, GF_LOG_ERROR, -ret, 0, - "Error setting worm/retention state"); - goto out; - } - goto out; - } else { - op_errno = 0; - goto out; - } - } else if (ret == -1 && (time (NULL) - start_time) - < com_period) { - op_errno = 0; - goto out; - } else if (reten_state.retain && - ((time (NULL) >= stbuf.ia_atime))) { - gf_worm_state_lookup (this, fop_with_fd, file_ptr, - &reten_state, &stbuf); - } - if (reten_state.worm && !reten_state.retain && - priv->worm_files_deletable && op == GF_FOP_UNLINK) { - op_errno = 0; + gf_msg(this->name, GF_LOG_ERROR, -ret, 0, + "Error setting worm/retention state"); goto out; + } + goto out; + } else { + op_errno = 0; + goto out; } + } else if (ret == -1 && (time(NULL) - start_time) < com_period) { + op_errno = 0; + goto out; + } else if (reten_state.retain && ((time(NULL) >= stbuf.ia_atime))) { + gf_worm_state_lookup(this, fop_with_fd, file_ptr, &reten_state, &stbuf); + } + if (reten_state.worm && !reten_state.retain && priv->worm_files_deletable && + op == GF_FOP_UNLINK) { + op_errno = 0; + goto out; + } out: - if (dict) - dict_unref (dict); - return op_errno; + if (dict) + dict_unref(dict); + return op_errno; } - /*Function to check whether a file is independently WORMed (i.e., file level * WORM is set on the file). */ int32_t -is_wormfile (xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr) +is_wormfile(xlator_t *this, gf_boolean_t fop_with_fd, void *file_ptr) { - int ret = -1; - dict_t *dict = NULL; - - if (fop_with_fd) - ret = syncop_fgetxattr (this, (fd_t *)file_ptr, &dict, - "trusted.worm_file", NULL, NULL); - else - ret = syncop_getxattr (this, (loc_t *)file_ptr, &dict, - "trusted.worm_file", NULL, NULL); - if (dict) { - ret = 0; - dict_unref (dict); - } - return ret; + int ret = -1; + dict_t *dict = NULL; + + if (fop_with_fd) + ret = syncop_fgetxattr(this, (fd_t *)file_ptr, &dict, + "trusted.worm_file", NULL, NULL); + else + ret = syncop_getxattr(this, (loc_t *)file_ptr, &dict, + "trusted.worm_file", NULL, NULL); + if (dict) { + ret = 0; + dict_unref(dict); + } + return ret; } diff --git a/xlators/features/read-only/src/worm.c b/xlators/features/read-only/src/worm.c index 088dd5a1b23..db128b75196 100644 --- a/xlators/features/read-only/src/worm.c +++ b/xlators/features/read-only/src/worm.c @@ -15,671 +15,622 @@ #include "syncop.h" #include "worm-helper.h" - int32_t -mem_acct_init (xlator_t *this) +mem_acct_init(xlator_t *this) { - int ret = -1; + int ret = -1; - ret = xlator_mem_acct_init (this, gf_read_only_mt_end + 1); - if (ret) - gf_log (this->name, GF_LOG_ERROR, "Memory accounting " - "initialization failed."); + ret = xlator_mem_acct_init(this, gf_read_only_mt_end + 1); + if (ret) + gf_log(this->name, GF_LOG_ERROR, + "Memory accounting " + "initialization failed."); - return ret; + return ret; } - static int32_t -worm_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - fd_t *fd, dict_t *xdata) +worm_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, + fd_t *fd, dict_t *xdata) { - if (is_readonly_or_worm_enabled (frame, this) && - (flags & (O_WRONLY | O_RDWR | O_APPEND | O_TRUNC))) { - STACK_UNWIND_STRICT (open, frame, -1, EROFS, NULL, NULL); - return 0; - } - - STACK_WIND_TAIL (frame, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->open, loc, flags, fd, xdata); + if (is_readonly_or_worm_enabled(frame, this) && + (flags & (O_WRONLY | O_RDWR | O_APPEND | O_TRUNC))) { + STACK_UNWIND_STRICT(open, frame, -1, EROFS, NULL, NULL); return 0; -} + } + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->open, + loc, flags, fd, xdata); + return 0; +} static int32_t -worm_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, - dict_t *xdata) +worm_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) { - int op_errno = EROFS; - read_only_priv_t *priv = NULL; - - priv = this->private; - GF_ASSERT (priv); - if (is_readonly_or_worm_enabled (frame, this)) - goto out; - if (!priv->worm_file || (frame->root->pid < 0)) { - op_errno = 0; - goto out; - } + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (is_readonly_or_worm_enabled(frame, this)) + goto out; + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } - gf_uuid_copy (oldloc->gfid, oldloc->inode->gfid); - if (is_wormfile (this, _gf_false, oldloc)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_false, oldloc, - GF_FOP_LINK); + gf_uuid_copy(oldloc->gfid, oldloc->inode->gfid); + if (is_wormfile(this, _gf_false, oldloc)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition(this, _gf_false, oldloc, GF_FOP_LINK); out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (link, frame, -1, op_errno, NULL, NULL, - NULL, NULL, NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->link, - oldloc, newloc, xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, + NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), FIRST_CHILD(this)->fops->link, + oldloc, newloc, xdata); + return 0; } - static int32_t -worm_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, - dict_t *xdata) +worm_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, + dict_t *xdata) { - int op_errno = EROFS; - read_only_priv_t *priv = NULL; - - priv = this->private; - GF_ASSERT (priv); - if (is_readonly_or_worm_enabled (frame, this)) { - goto out; - } - if (!priv->worm_file || (frame->root->pid < 0)) { - op_errno = 0; - goto out; - } + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (is_readonly_or_worm_enabled(frame, this)) { + goto out; + } + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } - gf_uuid_copy (loc->gfid, loc->inode->gfid); - if (is_wormfile (this, _gf_false, loc)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_false, loc, - GF_FOP_UNLINK); + gf_uuid_copy(loc->gfid, loc->inode->gfid); + if (is_wormfile(this, _gf_false, loc)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition(this, _gf_false, loc, GF_FOP_UNLINK); out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (unlink, frame, -1, op_errno, NULL, NULL, - NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->unlink, - loc, flags, xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(unlink, frame, -1, op_errno, NULL, NULL, NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->unlink, loc, flags, xdata); + return 0; } - static int32_t -worm_rename (call_frame_t *frame, xlator_t *this, - loc_t *oldloc, loc_t *newloc, dict_t *xdata) +worm_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) { - int op_errno = EROFS; - read_only_priv_t *priv = NULL; + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (is_readonly_or_worm_enabled(frame, this)) + goto out; + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } - priv = this->private; - GF_ASSERT (priv); - if (is_readonly_or_worm_enabled (frame, this)) - goto out; - if (!priv->worm_file || (frame->root->pid < 0)) { + gf_uuid_copy(oldloc->gfid, oldloc->inode->gfid); + if (is_wormfile(this, _gf_false, oldloc)) { + op_errno = 0; + goto check_newloc; + } + op_errno = gf_worm_state_transition(this, _gf_false, oldloc, GF_FOP_RENAME); + + if (op_errno == 0) { + check_newloc: + if (newloc->inode != NULL) { + gf_uuid_copy(newloc->gfid, newloc->inode->gfid); + if (is_wormfile(this, _gf_false, newloc)) { op_errno = 0; goto out; + } + op_errno = gf_worm_state_transition(this, _gf_false, newloc, + GF_FOP_RENAME); } - - gf_uuid_copy (oldloc->gfid, oldloc->inode->gfid); - if (is_wormfile (this, _gf_false, oldloc)) { - op_errno = 0; - goto check_newloc; - } - op_errno = gf_worm_state_transition (this, _gf_false, oldloc, - GF_FOP_RENAME); - - if (op_errno == 0) { -check_newloc: - if (newloc->inode != NULL) { - gf_uuid_copy (newloc->gfid, newloc->inode->gfid); - if (is_wormfile (this, _gf_false, newloc)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_false, - newloc, - GF_FOP_RENAME); - } - } + } out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (rename, frame, -1, op_errno, NULL, - NULL, NULL, NULL, NULL, NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->rename, - oldloc, newloc, xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(rename, frame, -1, op_errno, NULL, NULL, NULL, NULL, + NULL, NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->rename, oldloc, newloc, xdata); + return 0; } - static int32_t -worm_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, - dict_t *xdata) +worm_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, + dict_t *xdata) { - int op_errno = EROFS; - read_only_priv_t *priv = NULL; - - priv = this->private; - GF_ASSERT (priv); - if (is_readonly_or_worm_enabled (frame, this)) - goto out; - if (!priv->worm_file || (frame->root->pid < 0)) { - op_errno = 0; - goto out; - } + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (is_readonly_or_worm_enabled(frame, this)) + goto out; + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } - if (is_wormfile (this, _gf_false, loc)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_false, loc, - GF_FOP_TRUNCATE); + if (is_wormfile(this, _gf_false, loc)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition(this, _gf_false, loc, GF_FOP_TRUNCATE); out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (truncate, frame, -1, op_errno, NULL, NULL, - NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->truncate, - loc, offset, xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(truncate, frame, -1, op_errno, NULL, NULL, NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->truncate, loc, offset, xdata); + return 0; } - static int32_t -worm_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, - dict_t *xdata) +worm_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + dict_t *xdata) { - int op_errno = EROFS; - read_only_priv_t *priv = NULL; - - priv = this->private; - GF_ASSERT (priv); - if (is_readonly_or_worm_enabled (frame, this)) - goto out; - if (!priv->worm_file || (frame->root->pid < 0)) { - op_errno = 0; - goto out; - } + int op_errno = EROFS; + read_only_priv_t *priv = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (is_readonly_or_worm_enabled(frame, this)) + goto out; + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } - if (is_wormfile (this, _gf_true, fd)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_true, fd, - GF_FOP_FTRUNCATE); + if (is_wormfile(this, _gf_true, fd)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition(this, _gf_true, fd, GF_FOP_FTRUNCATE); out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (ftruncate, frame, -1, op_errno, NULL, NULL, - NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->ftruncate, - fd, offset, xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(ftruncate, frame, -1, op_errno, NULL, NULL, NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->ftruncate, fd, offset, xdata); + return 0; } - static int32_t -worm_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - struct iatt *stbuf, int32_t valid, dict_t *xdata) +worm_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, + struct iatt *stbuf, int32_t valid, dict_t *xdata) { - gf_boolean_t rd_only = _gf_false; - worm_reten_state_t reten_state = {0,}; - struct iatt stpre = {0,}; - read_only_priv_t *priv = NULL; - int op_errno = EROFS; - int ret = -1; - - priv = this->private; - GF_ASSERT (priv); - if (!priv->worm_file) { - op_errno = 0; - goto out; - } + gf_boolean_t rd_only = _gf_false; + worm_reten_state_t reten_state = { + 0, + }; + struct iatt stpre = { + 0, + }; + read_only_priv_t *priv = NULL; + int op_errno = EROFS; + int ret = -1; + + priv = this->private; + GF_ASSERT(priv); + if (!priv->worm_file) { + op_errno = 0; + goto out; + } - if (is_wormfile (this, _gf_false, loc)) { - op_errno = 0; + if (is_wormfile(this, _gf_false, loc)) { + op_errno = 0; + goto out; + } + if (valid & GF_SET_ATTR_MODE) { + rd_only = gf_worm_write_disabled(stbuf); + if (!rd_only) { + op_errno = 0; + goto out; + } + + ret = worm_set_state(this, _gf_false, loc, &reten_state, stbuf); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error setting worm state"); + goto out; + } + } else if (valid & GF_SET_ATTR_ATIME) { + ret = worm_get_state(this, _gf_false, loc, &reten_state); + if (ret) { + op_errno = 0; + goto out; + } + if (reten_state.retain) { + ret = syncop_stat(this, loc, &stpre, NULL, NULL); + if (ret) goto out; - } - if (valid & GF_SET_ATTR_MODE) { - rd_only = gf_worm_write_disabled (stbuf); - if (!rd_only) { - op_errno = 0; - goto out; - } - - ret = worm_set_state (this, _gf_false, loc, - &reten_state, stbuf); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, - "Error setting worm state"); - goto out; + if (reten_state.ret_mode == 0) { + if (stbuf->ia_atime < stpre.ia_mtime) { + gf_log(this->name, GF_LOG_ERROR, + "Cannot set atime less than " + "the mtime for a WORM-Retained " + "file"); + goto out; } - } else if (valid & GF_SET_ATTR_ATIME) { - ret = worm_get_state (this, _gf_false, loc, &reten_state); - if (ret) { - op_errno = 0; - goto out; - } - if (reten_state.retain) { - ret = syncop_stat (this, loc, &stpre, NULL, NULL); - if (ret) - goto out; - if (reten_state.ret_mode == 0) { - if (stbuf->ia_atime < stpre.ia_mtime) { - gf_log (this->name, GF_LOG_ERROR, - "Cannot set atime less than " - "the mtime for a WORM-Retained " - "file"); - goto out; - } - } else { - if (stbuf->ia_atime < stpre.ia_atime) { - gf_log (this->name, GF_LOG_ERROR, - "Cannot decrease the atime of a" - " WORM-Retained file in " - "Enterprise mode"); - goto out; - } - } - stbuf->ia_mtime = stpre.ia_mtime; + } else { + if (stbuf->ia_atime < stpre.ia_atime) { + gf_log(this->name, GF_LOG_ERROR, + "Cannot decrease the atime of a" + " WORM-Retained file in " + "Enterprise mode"); + goto out; } + } + stbuf->ia_mtime = stpre.ia_mtime; } - op_errno = 0; + } + op_errno = 0; out: - if (op_errno) - STACK_UNWIND_STRICT (setattr, frame, -1, EROFS, NULL, NULL, - NULL); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->setattr, - loc, stbuf, valid, xdata); - return 0; + if (op_errno) + STACK_UNWIND_STRICT(setattr, frame, -1, EROFS, NULL, NULL, NULL); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->setattr, loc, stbuf, valid, + xdata); + return 0; } - static int32_t -worm_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iatt *stbuf, int32_t valid, dict_t *xdata) +worm_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf, + int32_t valid, dict_t *xdata) { - gf_boolean_t rd_only = _gf_false; - worm_reten_state_t reten_state = {0,}; - struct iatt stpre = {0,}; - read_only_priv_t *priv = NULL; - int op_errno = EROFS; - int ret = -1; - - priv = this->private; - GF_ASSERT (priv); - if (!priv->worm_file) { - op_errno = 0; - goto out; - } + gf_boolean_t rd_only = _gf_false; + worm_reten_state_t reten_state = { + 0, + }; + struct iatt stpre = { + 0, + }; + read_only_priv_t *priv = NULL; + int op_errno = EROFS; + int ret = -1; + + priv = this->private; + GF_ASSERT(priv); + if (!priv->worm_file) { + op_errno = 0; + goto out; + } - if (is_wormfile (this, _gf_true, fd)) { - op_errno = 0; + if (is_wormfile(this, _gf_true, fd)) { + op_errno = 0; + goto out; + } + if (valid & GF_SET_ATTR_MODE) { + rd_only = gf_worm_write_disabled(stbuf); + if (!rd_only) { + op_errno = 0; + goto out; + } + + ret = worm_set_state(this, _gf_true, fd, &reten_state, stbuf); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error setting worm state"); + goto out; + } + } else if (valid & GF_SET_ATTR_ATIME) { + ret = worm_get_state(this, _gf_true, fd, &reten_state); + if (ret) { + op_errno = 0; + goto out; + } + if (reten_state.retain) { + ret = syncop_fstat(this, fd, &stpre, NULL, NULL); + if (ret) goto out; - } - if (valid & GF_SET_ATTR_MODE) { - rd_only = gf_worm_write_disabled (stbuf); - if (!rd_only) { - op_errno = 0; - goto out; - } - - ret = worm_set_state (this, _gf_true, fd, - &reten_state, stbuf); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, - "Error setting worm state"); - goto out; + if (reten_state.ret_mode == 0) { + if (stbuf->ia_atime < stpre.ia_mtime) { + gf_log(this->name, GF_LOG_ERROR, + "Cannot set atime less than " + "the mtime for a WORM-Retained " + "file"); + goto out; } - } else if (valid & GF_SET_ATTR_ATIME) { - ret = worm_get_state (this, _gf_true, fd, &reten_state); - if (ret) { - op_errno = 0; - goto out; - } - if (reten_state.retain) { - ret = syncop_fstat (this, fd, &stpre, NULL, NULL); - if (ret) - goto out; - if (reten_state.ret_mode == 0) { - if (stbuf->ia_atime < stpre.ia_mtime) { - gf_log (this->name, GF_LOG_ERROR, - "Cannot set atime less than " - "the mtime for a WORM-Retained " - "file"); - goto out; - } - } else { - if (stbuf->ia_atime < stpre.ia_atime) { - gf_log (this->name, GF_LOG_ERROR, - "Cannot decrease the atime of a" - " WORM-Retained file in " - "Enterprise mode"); - goto out; - } - } - stbuf->ia_mtime = stpre.ia_mtime; + } else { + if (stbuf->ia_atime < stpre.ia_atime) { + gf_log(this->name, GF_LOG_ERROR, + "Cannot decrease the atime of a" + " WORM-Retained file in " + "Enterprise mode"); + goto out; } + } + stbuf->ia_mtime = stpre.ia_mtime; } - op_errno = 0; + } + op_errno = 0; out: - if (op_errno) - STACK_UNWIND_STRICT (fsetattr, frame, -1, op_errno, NULL, NULL, - NULL); - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->fsetattr, - fd, stbuf, valid, xdata); - return 0; + if (op_errno) + STACK_UNWIND_STRICT(fsetattr, frame, -1, op_errno, NULL, NULL, NULL); + else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fsetattr, fd, stbuf, valid, + xdata); + return 0; } - static int32_t -worm_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iovec *vector, int32_t count, off_t offset, uint32_t flags, - struct iobref *iobref, dict_t *xdata) +worm_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector, + int32_t count, off_t offset, uint32_t flags, struct iobref *iobref, + dict_t *xdata) { - read_only_priv_t *priv = NULL; - int op_errno = EROFS; + read_only_priv_t *priv = NULL; + int op_errno = EROFS; - priv = this->private; - GF_ASSERT (priv); - if (!priv->worm_file || (frame->root->pid < 0)) { - op_errno = 0; - goto out; - } - if (is_wormfile (this, _gf_true, fd)) { - op_errno = 0; - goto out; - } - op_errno = gf_worm_state_transition (this, _gf_true, fd, GF_FOP_WRITE); + priv = this->private; + GF_ASSERT(priv); + if (!priv->worm_file || (frame->root->pid < 0)) { + op_errno = 0; + goto out; + } + if (is_wormfile(this, _gf_true, fd)) { + op_errno = 0; + goto out; + } + op_errno = gf_worm_state_transition(this, _gf_true, fd, GF_FOP_WRITE); out: - if (op_errno) { - if (op_errno < 0) - op_errno = EROFS; - STACK_UNWIND_STRICT (writev, frame, -1, op_errno, NULL, NULL, - NULL); - } - else - STACK_WIND_TAIL (frame, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->writev, - fd, vector, count, offset, flags, iobref, - xdata); - return 0; + if (op_errno) { + if (op_errno < 0) + op_errno = EROFS; + STACK_UNWIND_STRICT(writev, frame, -1, op_errno, NULL, NULL, NULL); + } else + STACK_WIND_TAIL(frame, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->writev, fd, vector, count, + offset, flags, iobref, xdata); + return 0; } static int32_t -worm_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, fd_t *fd, - inode_t *inode, struct iatt *buf, - struct iatt *preparent, struct iatt *postparent, - dict_t *xdata) +worm_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, + struct iatt *buf, struct iatt *preparent, + struct iatt *postparent, dict_t *xdata) { - int ret = 0; - read_only_priv_t *priv = NULL; - dict_t *dict = NULL; - - priv = this->private; - GF_ASSERT (priv); - if (priv->worm_file) { - dict = dict_new (); - if (!dict) { - gf_log (this->name, GF_LOG_ERROR, "Error creating the " - "dict"); - goto out; - } - ret = dict_set_int8 (dict, "trusted.worm_file", 1); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, "Error in setting " - "the dict"); - goto out; - } - ret = syncop_fsetxattr (this, fd, dict, 0, NULL, NULL); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, - "Error setting xattr"); - goto out; - } - ret = worm_init_state (this, _gf_true, fd); - if (ret) { - gf_log (this->name, GF_LOG_ERROR, - "Error initializing state"); - } - } + int ret = 0; + read_only_priv_t *priv = NULL; + dict_t *dict = NULL; + + priv = this->private; + GF_ASSERT(priv); + if (priv->worm_file) { + dict = dict_new(); + if (!dict) { + gf_log(this->name, GF_LOG_ERROR, + "Error creating the " + "dict"); + goto out; + } + ret = dict_set_int8(dict, "trusted.worm_file", 1); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, + "Error in setting " + "the dict"); + goto out; + } + ret = syncop_fsetxattr(this, fd, dict, 0, NULL, NULL); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error setting xattr"); + goto out; + } + ret = worm_init_state(this, _gf_true, fd); + if (ret) { + gf_log(this->name, GF_LOG_ERROR, "Error initializing state"); + } + } out: - STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, buf, - preparent, postparent, xdata); - if (dict) - dict_unref (dict); - return ret; + STACK_UNWIND_STRICT(create, frame, op_ret, op_errno, fd, inode, buf, + preparent, postparent, xdata); + if (dict) + dict_unref(dict); + return ret; } - static int32_t -worm_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) +worm_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_WIND (frame, worm_create_cbk, FIRST_CHILD (this), - FIRST_CHILD(this)->fops->create, loc, flags, - mode, umask, fd, xdata); - return 0; + STACK_WIND(frame, worm_create_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->create, loc, flags, mode, umask, fd, + xdata); + return 0; } - int32_t -init (xlator_t *this) +init(xlator_t *this) { - int ret = -1; - read_only_priv_t *priv = NULL; - - 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 "); - } - - this->local_pool = mem_pool_new (read_only_priv_t, 64); - if (!this->local_pool) { - ret = -1; - gf_log (this->name, GF_LOG_ERROR, - "failed to create read_only_priv_t's memory pool"); - goto out; - } - - priv = mem_get0 (this->local_pool); - if (!priv) { - gf_log (this->name, GF_LOG_ERROR, "Error allocating priv"); - goto out; - } - - this->private = priv; - - GF_OPTION_INIT ("worm", priv->readonly_or_worm_enabled, - bool, out); - GF_OPTION_INIT ("worm-file-level", priv->worm_file, bool, out); - GF_OPTION_INIT ("default-retention-period", priv->reten_period, - uint64, out); - GF_OPTION_INIT ("auto-commit-period", priv->com_period, uint64, out); - GF_OPTION_INIT ("retention-mode", priv->reten_mode, str, out); - GF_OPTION_INIT ("worm-files-deletable", priv->worm_files_deletable, - bool, out); - - ret = 0; + int ret = -1; + read_only_priv_t *priv = NULL; + + 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 "); + } + + this->local_pool = mem_pool_new(read_only_priv_t, 64); + if (!this->local_pool) { + ret = -1; + gf_log(this->name, GF_LOG_ERROR, + "failed to create read_only_priv_t's memory pool"); + goto out; + } + + priv = mem_get0(this->local_pool); + if (!priv) { + gf_log(this->name, GF_LOG_ERROR, "Error allocating priv"); + goto out; + } + + this->private = priv; + + GF_OPTION_INIT("worm", priv->readonly_or_worm_enabled, bool, out); + GF_OPTION_INIT("worm-file-level", priv->worm_file, bool, out); + GF_OPTION_INIT("default-retention-period", priv->reten_period, uint64, out); + GF_OPTION_INIT("auto-commit-period", priv->com_period, uint64, out); + GF_OPTION_INIT("retention-mode", priv->reten_mode, str, out); + GF_OPTION_INIT("worm-files-deletable", priv->worm_files_deletable, bool, + out); + + ret = 0; out: - return ret; + return ret; } - int -reconfigure (xlator_t *this, dict_t *options) +reconfigure(xlator_t *this, dict_t *options) { - read_only_priv_t *priv = NULL; - int ret = -1; - - priv = this->private; - GF_ASSERT (priv); - - GF_OPTION_RECONF ("worm", priv->readonly_or_worm_enabled, - options, bool, out); - GF_OPTION_RECONF ("worm-file-level", priv->worm_file, options, bool, - out); - GF_OPTION_RECONF ("default-retention-period", priv->reten_period, - options, uint64, out); - GF_OPTION_RECONF ("retention-mode", priv->reten_mode, options, str, - out); - GF_OPTION_RECONF ("auto-commit-period", priv->com_period, options, - uint64, out); - GF_OPTION_RECONF ("worm-files-deletable", priv->worm_files_deletable, - options, bool, out); - ret = 0; + read_only_priv_t *priv = NULL; + int ret = -1; + + priv = this->private; + GF_ASSERT(priv); + + GF_OPTION_RECONF("worm", priv->readonly_or_worm_enabled, options, bool, + out); + GF_OPTION_RECONF("worm-file-level", priv->worm_file, options, bool, out); + GF_OPTION_RECONF("default-retention-period", priv->reten_period, options, + uint64, out); + GF_OPTION_RECONF("retention-mode", priv->reten_mode, options, str, out); + GF_OPTION_RECONF("auto-commit-period", priv->com_period, options, uint64, + out); + GF_OPTION_RECONF("worm-files-deletable", priv->worm_files_deletable, + options, bool, out); + ret = 0; out: - gf_log (this->name, GF_LOG_DEBUG, "returning %d", ret); - return ret; + gf_log(this->name, GF_LOG_DEBUG, "returning %d", ret); + return ret; } - void -fini (xlator_t *this) +fini(xlator_t *this) { - read_only_priv_t *priv = NULL; - - priv = this->private; - if (!priv) - goto out; - mem_put (priv); - this->private = NULL; - mem_pool_destroy (this->local_pool); + read_only_priv_t *priv = NULL; + + priv = this->private; + if (!priv) + goto out; + mem_put(priv); + this->private = NULL; + mem_pool_destroy(this->local_pool); out: - return; + return; } - struct xlator_fops fops = { - .open = worm_open, - .writev = worm_writev, - .setattr = worm_setattr, - .fsetattr = worm_fsetattr, - .rename = worm_rename, - .link = worm_link, - .unlink = worm_unlink, - .truncate = worm_truncate, - .ftruncate = worm_ftruncate, - .create = worm_create, - - .rmdir = ro_rmdir, - .removexattr = ro_removexattr, - .fsyncdir = ro_fsyncdir, - .xattrop = ro_xattrop, - .inodelk = ro_inodelk, - .finodelk = ro_finodelk, - .entrylk = ro_entrylk, - .fentrylk = ro_fentrylk, - .lk = ro_lk, + .open = worm_open, + .writev = worm_writev, + .setattr = worm_setattr, + .fsetattr = worm_fsetattr, + .rename = worm_rename, + .link = worm_link, + .unlink = worm_unlink, + .truncate = worm_truncate, + .ftruncate = worm_ftruncate, + .create = worm_create, + + .rmdir = ro_rmdir, + .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 = {"worm"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "off", - /*.validate_fn = validate_boolean,*/ - .op_version = {2}, - .flags = OPT_FLAG_SETTABLE, - .description = "When \"on\", makes a volume get write once read many " - " feature. It is turned \"off\" by default." - }, - { .key = {"worm-file-level"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "off", - /*.validate_fn = validate_boolean,*/ - .op_version = {GD_OP_VERSION_3_8_0}, - .flags = OPT_FLAG_SETTABLE, - .description = "When \"on\", activates the file level worm. " - "It is turned \"off\" by default." - }, - { .key = {"worm-files-deletable"}, - .type = GF_OPTION_TYPE_BOOL, - .default_value = "on", - /*.validate_fn = validate_boolean,*/ - .op_version = {GD_OP_VERSION_3_13_0}, - .flags = OPT_FLAG_SETTABLE, - .description = "When \"off\", doesn't allow the Worm files" - "to be deleted. It is turned \"on\" by default." - }, - { .key = {"default-retention-period"}, - .type = GF_OPTION_TYPE_TIME, - .default_value = "120", - /*.validate_fn = validate_worm_period,*/ - .op_version = {GD_OP_VERSION_3_8_0}, - .flags = OPT_FLAG_SETTABLE, - .description = "The default retention period for the files." - }, - { .key = {"retention-mode"}, - .type = GF_OPTION_TYPE_STR, - .default_value = "relax", - /*.validate_fn = validate_reten_mode,*/ - .op_version = {GD_OP_VERSION_3_8_0}, - .flags = OPT_FLAG_SETTABLE, - .description = "The mode of retention (relax/enterprise). " - "It is relax by default." - }, - { .key = {"auto-commit-period"}, - .type = GF_OPTION_TYPE_TIME, - .default_value = "180", - /*.validate_fn = validate_worm_period,*/ - .op_version = {GD_OP_VERSION_3_8_0}, - .flags = OPT_FLAG_SETTABLE, - .description = "Auto commit period for the files." - }, - { .key = {NULL} - }, + {.key = {"worm"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "off", + /*.validate_fn = validate_boolean,*/ + .op_version = {2}, + .flags = OPT_FLAG_SETTABLE, + .description = "When \"on\", makes a volume get write once read many " + " feature. It is turned \"off\" by default."}, + {.key = {"worm-file-level"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "off", + /*.validate_fn = validate_boolean,*/ + .op_version = {GD_OP_VERSION_3_8_0}, + .flags = OPT_FLAG_SETTABLE, + .description = "When \"on\", activates the file level worm. " + "It is turned \"off\" by default."}, + {.key = {"worm-files-deletable"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "on", + /*.validate_fn = validate_boolean,*/ + .op_version = {GD_OP_VERSION_3_13_0}, + .flags = OPT_FLAG_SETTABLE, + .description = "When \"off\", doesn't allow the Worm files" + "to be deleted. It is turned \"on\" by default."}, + {.key = {"default-retention-period"}, + .type = GF_OPTION_TYPE_TIME, + .default_value = "120", + /*.validate_fn = validate_worm_period,*/ + .op_version = {GD_OP_VERSION_3_8_0}, + .flags = OPT_FLAG_SETTABLE, + .description = "The default retention period for the files."}, + {.key = {"retention-mode"}, + .type = GF_OPTION_TYPE_STR, + .default_value = "relax", + /*.validate_fn = validate_reten_mode,*/ + .op_version = {GD_OP_VERSION_3_8_0}, + .flags = OPT_FLAG_SETTABLE, + .description = "The mode of retention (relax/enterprise). " + "It is relax by default."}, + {.key = {"auto-commit-period"}, + .type = GF_OPTION_TYPE_TIME, + .default_value = "180", + /*.validate_fn = validate_worm_period,*/ + .op_version = {GD_OP_VERSION_3_8_0}, + .flags = OPT_FLAG_SETTABLE, + .description = "Auto commit period for the files."}, + {.key = {NULL}}, }; |