1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "librbd/image/CreateRequest.h"
5 #include "common/dout.h"
6 #include "common/errno.h"
7 #include "cls/rbd/cls_rbd_client.h"
8 #include "include/assert.h"
9 #include "librbd/Utils.h"
10 #include "common/ceph_context.h"
11 #include "librbd/Journal.h"
12 #include "librbd/MirroringWatcher.h"
13 #include "librbd/journal/CreateRequest.h"
14 #include "librbd/journal/RemoveRequest.h"
15 #include "librbd/mirror/EnableRequest.h"
16 #include "librbd/io/AioCompletion.h"
17 #include "journal/Journaler.h"
19 #define dout_subsys ceph_subsys_rbd
21 #define dout_prefix *_dout << "librbd::image::CreateRequest: " << __func__ \
27 using util::create_rados_callback
;
28 using util::create_context_callback
;
32 int validate_features(CephContext
*cct
, uint64_t features
,
33 bool force_non_primary
) {
34 if (features
& ~RBD_FEATURES_ALL
) {
35 lderr(cct
) << "librbd does not support requested features." << dendl
;
38 if ((features
& RBD_FEATURE_FAST_DIFF
) != 0 &&
39 (features
& RBD_FEATURE_OBJECT_MAP
) == 0) {
40 lderr(cct
) << "cannot use fast diff without object map" << dendl
;
43 if ((features
& RBD_FEATURE_OBJECT_MAP
) != 0 &&
44 (features
& RBD_FEATURE_EXCLUSIVE_LOCK
) == 0) {
45 lderr(cct
) << "cannot use object map without exclusive lock" << dendl
;
48 if ((features
& RBD_FEATURE_JOURNALING
) != 0) {
49 if ((features
& RBD_FEATURE_EXCLUSIVE_LOCK
) == 0) {
50 lderr(cct
) << "cannot use journaling without exclusive lock" << dendl
;
53 } else if (force_non_primary
) {
60 int validate_striping(CephContext
*cct
, uint8_t order
, uint64_t stripe_unit
,
61 uint64_t stripe_count
) {
62 if ((stripe_unit
&& !stripe_count
) ||
63 (!stripe_unit
&& stripe_count
)) {
64 lderr(cct
) << "must specify both (or neither) of stripe-unit and "
65 << "stripe-count" << dendl
;
67 } else if (stripe_unit
|| stripe_count
) {
68 if ((1ull << order
) % stripe_unit
|| stripe_unit
> (1ull << order
)) {
69 lderr(cct
) << "stripe unit is not a factor of the object size" << dendl
;
76 int validate_data_pool(CephContext
*cct
, IoCtx
&io_ctx
, uint64_t features
,
77 const std::string
&data_pool
, int64_t *data_pool_id
) {
78 if ((features
& RBD_FEATURE_DATA_POOL
) == 0) {
82 librados::Rados
rados(io_ctx
);
83 librados::IoCtx data_io_ctx
;
84 int r
= rados
.ioctx_create(data_pool
.c_str(), data_io_ctx
);
86 lderr(cct
) << "data pool " << data_pool
<< " does not exist" << dendl
;
90 *data_pool_id
= data_io_ctx
.get_id();
95 bool validate_layout(CephContext
*cct
, uint64_t size
, file_layout_t
&layout
) {
96 if (!librbd::ObjectMap
<>::is_compatible(layout
, size
)) {
97 lderr(cct
) << "image size not compatible with object map" << dendl
;
104 int get_image_option(const ImageOptions
&image_options
, int option
,
106 uint64_t large_value
;
107 int r
= image_options
.get(option
, &large_value
);
111 *value
= static_cast<uint8_t>(large_value
);
115 } // anonymous namespace
118 int CreateRequest
<I
>::validate_order(CephContext
*cct
, uint8_t order
) {
119 if (order
> 25 || order
< 12) {
120 lderr(cct
) << "order must be in the range [12, 25]" << dendl
;
127 #define dout_prefix *_dout << "librbd::image::CreateRequest: " << this << " " \
131 CreateRequest
<I
>::CreateRequest(IoCtx
&ioctx
, const std::string
&image_name
,
132 const std::string
&image_id
, uint64_t size
,
133 const ImageOptions
&image_options
,
134 const std::string
&non_primary_global_image_id
,
135 const std::string
&primary_mirror_uuid
,
136 bool skip_mirror_enable
,
137 ContextWQ
*op_work_queue
, Context
*on_finish
)
138 : m_ioctx(ioctx
), m_image_name(image_name
), m_image_id(image_id
),
139 m_size(size
), m_non_primary_global_image_id(non_primary_global_image_id
),
140 m_primary_mirror_uuid(primary_mirror_uuid
),
141 m_skip_mirror_enable(skip_mirror_enable
),
142 m_op_work_queue(op_work_queue
), m_on_finish(on_finish
) {
143 m_cct
= reinterpret_cast<CephContext
*>(m_ioctx
.cct());
145 m_id_obj
= util::id_obj_name(m_image_name
);
146 m_header_obj
= util::header_name(m_image_id
);
147 m_objmap_name
= ObjectMap
<>::object_map_name(m_image_id
, CEPH_NOSNAP
);
149 if (image_options
.get(RBD_IMAGE_OPTION_FEATURES
, &m_features
) != 0) {
150 m_features
= util::get_rbd_default_features(m_cct
);
151 m_negotiate_features
= true;
154 uint64_t features_clear
= 0;
155 uint64_t features_set
= 0;
156 image_options
.get(RBD_IMAGE_OPTION_FEATURES_CLEAR
, &features_clear
);
157 image_options
.get(RBD_IMAGE_OPTION_FEATURES_SET
, &features_set
);
159 uint64_t features_conflict
= features_clear
& features_set
;
160 features_clear
&= ~features_conflict
;
161 features_set
&= ~features_conflict
;
162 m_features
|= features_set
;
163 m_features
&= ~features_clear
;
165 if (image_options
.get(RBD_IMAGE_OPTION_STRIPE_UNIT
, &m_stripe_unit
) != 0 ||
166 m_stripe_unit
== 0) {
167 m_stripe_unit
= m_cct
->_conf
->rbd_default_stripe_unit
;
169 if (image_options
.get(RBD_IMAGE_OPTION_STRIPE_COUNT
, &m_stripe_count
) != 0 ||
170 m_stripe_count
== 0) {
171 m_stripe_count
= m_cct
->_conf
->rbd_default_stripe_count
;
173 if (get_image_option(image_options
, RBD_IMAGE_OPTION_ORDER
, &m_order
) != 0 ||
175 m_order
= m_cct
->_conf
->rbd_default_order
;
177 if (get_image_option(image_options
, RBD_IMAGE_OPTION_JOURNAL_ORDER
,
178 &m_journal_order
) != 0) {
179 m_journal_order
= m_cct
->_conf
->rbd_journal_order
;
181 if (get_image_option(image_options
, RBD_IMAGE_OPTION_JOURNAL_SPLAY_WIDTH
,
182 &m_journal_splay_width
) != 0) {
183 m_journal_splay_width
= m_cct
->_conf
->rbd_journal_splay_width
;
185 if (image_options
.get(RBD_IMAGE_OPTION_JOURNAL_POOL
, &m_journal_pool
) != 0) {
186 m_journal_pool
= m_cct
->_conf
->rbd_journal_pool
;
188 if (image_options
.get(RBD_IMAGE_OPTION_DATA_POOL
, &m_data_pool
) != 0) {
189 m_data_pool
= m_cct
->_conf
->rbd_default_data_pool
;
192 m_layout
.object_size
= 1ull << m_order
;
193 if (m_stripe_unit
== 0 || m_stripe_count
== 0) {
194 m_layout
.stripe_unit
= m_layout
.object_size
;
195 m_layout
.stripe_count
= 1;
197 m_layout
.stripe_unit
= m_stripe_unit
;
198 m_layout
.stripe_count
= m_stripe_count
;
201 m_force_non_primary
= !non_primary_global_image_id
.empty();
203 if (!m_data_pool
.empty() && m_data_pool
!= ioctx
.get_pool_name()) {
204 m_features
|= RBD_FEATURE_DATA_POOL
;
207 m_features
&= ~RBD_FEATURE_DATA_POOL
;
210 if ((m_stripe_unit
!= 0 && m_stripe_unit
!= (1ULL << m_order
)) ||
211 (m_stripe_count
!= 0 && m_stripe_count
!= 1)) {
212 m_features
|= RBD_FEATURE_STRIPINGV2
;
214 m_features
&= ~RBD_FEATURE_STRIPINGV2
;
217 ldout(m_cct
, 20) << "name=" << m_image_name
<< ", "
218 << "id=" << m_image_id
<< ", "
219 << "size=" << m_size
<< ", "
220 << "features=" << m_features
<< ", "
221 << "order=" << (uint64_t)m_order
<< ", "
222 << "stripe_unit=" << m_stripe_unit
<< ", "
223 << "stripe_count=" << m_stripe_count
<< ", "
224 << "journal_order=" << (uint64_t)m_journal_order
<< ", "
225 << "journal_splay_width="
226 << (uint64_t)m_journal_splay_width
<< ", "
227 << "journal_pool=" << m_journal_pool
<< ", "
228 << "data_pool=" << m_data_pool
<< dendl
;
232 void CreateRequest
<I
>::send() {
233 ldout(m_cct
, 20) << dendl
;
235 int r
= validate_features(m_cct
, m_features
, m_force_non_primary
);
241 r
= validate_order(m_cct
, m_order
);
247 r
= validate_striping(m_cct
, m_order
, m_stripe_unit
, m_stripe_count
);
253 r
= validate_data_pool(m_cct
, m_ioctx
, m_features
, m_data_pool
,
260 if (((m_features
& RBD_FEATURE_OBJECT_MAP
) != 0) &&
261 (!validate_layout(m_cct
, m_size
, m_layout
))) {
270 void CreateRequest
<I
>::validate_pool() {
271 if (!m_cct
->_conf
->rbd_validate_pool
) {
276 ldout(m_cct
, 20) << dendl
;
278 using klass
= CreateRequest
<I
>;
279 librados::AioCompletion
*comp
=
280 create_rados_callback
<klass
, &klass::handle_validate_pool
>(this);
282 librados::ObjectReadOperation op
;
283 op
.stat(NULL
, NULL
, NULL
);
286 int r
= m_ioctx
.aio_operate(RBD_DIRECTORY
, comp
, &op
, &m_outbl
);
292 void CreateRequest
<I
>::handle_validate_pool(int r
) {
293 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
296 validate_overwrite();
298 } else if ((r
< 0) && (r
!= -ENOENT
)) {
299 lderr(m_cct
) << "failed to stat RBD directory: " << cpp_strerror(r
)
305 // allocate a self-managed snapshot id if this a new pool to force
306 // self-managed snapshot mode
307 // This call is executed just once per (fresh) pool, hence we do not
308 // try hard to make it asynchronous (and it's pretty safe not to cause
312 r
= m_ioctx
.selfmanaged_snap_create(&snap_id
);
314 lderr(m_cct
) << "pool not configured for self-managed RBD snapshot support"
319 lderr(m_cct
) << "failed to allocate self-managed snapshot: "
320 << cpp_strerror(r
) << dendl
;
325 r
= m_ioctx
.selfmanaged_snap_remove(snap_id
);
327 // we've already switched to self-managed snapshots -- no need to
328 // error out in case of failure here.
329 ldout(m_cct
, 10) << "failed to release self-managed snapshot " << snap_id
330 << ": " << cpp_strerror(r
) << dendl
;
333 validate_overwrite();
336 template <typename I
>
337 void CreateRequest
<I
>::validate_overwrite() {
338 ldout(m_cct
, 20) << dendl
;
340 m_data_io_ctx
= m_ioctx
;
341 if (m_data_pool_id
!= -1) {
342 librados::Rados
rados(m_ioctx
);
343 int r
= rados
.ioctx_create2(m_data_pool_id
, m_data_io_ctx
);
345 lderr(m_cct
) << "data pool " << m_data_pool
<< " does not exist" << dendl
;
351 using klass
= CreateRequest
<I
>;
352 librados::AioCompletion
*comp
=
353 create_rados_callback
<klass
, &klass::handle_validate_overwrite
>(this);
355 librados::ObjectReadOperation op
;
356 op
.read(0, 0, nullptr, nullptr);
359 int r
= m_data_io_ctx
.aio_operate(RBD_INFO
, comp
, &op
, &m_outbl
);
364 template <typename I
>
365 void CreateRequest
<I
>::handle_validate_overwrite(int r
) {
366 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
369 bl
.append("overwrite validated");
371 if (r
== 0 && m_outbl
.contents_equal(bl
)) {
374 } else if ((r
< 0) && (r
!= -ENOENT
)) {
375 lderr(m_cct
) << "failed to read RBD info: " << cpp_strerror(r
) << dendl
;
380 // validate the pool supports overwrites. We cannot use rbd_directory
381 // since the v1 images store the directory as tmap data within the object.
382 ldout(m_cct
, 10) << "validating overwrite support" << dendl
;
383 bufferlist initial_bl
;
384 initial_bl
.append("validate");
385 r
= m_data_io_ctx
.write(RBD_INFO
, initial_bl
, initial_bl
.length(), 0);
387 r
= m_data_io_ctx
.write(RBD_INFO
, bl
, bl
.length(), 0);
389 if (r
== -EOPNOTSUPP
) {
390 lderr(m_cct
) << "pool missing required overwrite support" << dendl
;
394 lderr(m_cct
) << "failed to validate overwrite support: " << cpp_strerror(r
)
404 void CreateRequest
<I
>::create_id_object() {
405 ldout(m_cct
, 20) << dendl
;
407 librados::ObjectWriteOperation op
;
409 cls_client::set_id(&op
, m_image_id
);
411 using klass
= CreateRequest
<I
>;
412 librados::AioCompletion
*comp
=
413 create_rados_callback
<klass
, &klass::handle_create_id_object
>(this);
414 int r
= m_ioctx
.aio_operate(m_id_obj
, comp
, &op
);
420 void CreateRequest
<I
>::handle_create_id_object(int r
) {
421 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
424 lderr(m_cct
) << "error creating RBD id object: " << cpp_strerror(r
)
430 add_image_to_directory();
434 void CreateRequest
<I
>::add_image_to_directory() {
435 ldout(m_cct
, 20) << dendl
;
437 librados::ObjectWriteOperation op
;
438 cls_client::dir_add_image(&op
, m_image_name
, m_image_id
);
440 using klass
= CreateRequest
<I
>;
441 librados::AioCompletion
*comp
=
442 create_rados_callback
<klass
, &klass::handle_add_image_to_directory
>(this);
443 int r
= m_ioctx
.aio_operate(RBD_DIRECTORY
, comp
, &op
);
449 void CreateRequest
<I
>::handle_add_image_to_directory(int r
) {
450 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
453 lderr(m_cct
) << "error adding image to directory: " << cpp_strerror(r
)
460 negotiate_features();
464 void CreateRequest
<I
>::negotiate_features() {
465 if (!m_negotiate_features
) {
470 ldout(m_cct
, 20) << dendl
;
472 librados::ObjectReadOperation op
;
473 cls_client::get_all_features_start(&op
);
475 using klass
= CreateRequest
<I
>;
476 librados::AioCompletion
*comp
=
477 create_rados_callback
<klass
, &klass::handle_negotiate_features
>(this);
480 int r
= m_ioctx
.aio_operate(RBD_DIRECTORY
, comp
, &op
, &m_outbl
);
486 void CreateRequest
<I
>::handle_negotiate_features(int r
) {
487 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
489 uint64_t all_features
;
491 bufferlist::iterator it
= m_outbl
.begin();
492 r
= cls_client::get_all_features_finish(&it
, &all_features
);
495 ldout(m_cct
, 10) << "error retrieving server supported features set: "
496 << cpp_strerror(r
) << dendl
;
497 } else if ((m_features
& all_features
) != m_features
) {
498 m_features
&= all_features
;
499 ldout(m_cct
, 10) << "limiting default features set to server supported: "
500 << m_features
<< dendl
;
507 void CreateRequest
<I
>::create_image() {
508 ldout(m_cct
, 20) << dendl
;
509 assert(m_data_pool
.empty() || m_data_pool_id
!= -1);
512 oss
<< RBD_DATA_PREFIX
;
513 if (m_data_pool_id
!= -1) {
514 oss
<< stringify(m_ioctx
.get_id()) << ".";
517 if (oss
.str().length() > RBD_MAX_BLOCK_NAME_PREFIX_LENGTH
) {
518 lderr(m_cct
) << "object prefix '" << oss
.str() << "' too large" << dendl
;
523 librados::ObjectWriteOperation op
;
525 cls_client::create_image(&op
, m_size
, m_order
, m_features
, oss
.str(),
528 using klass
= CreateRequest
<I
>;
529 librados::AioCompletion
*comp
=
530 create_rados_callback
<klass
, &klass::handle_create_image
>(this);
531 int r
= m_ioctx
.aio_operate(m_header_obj
, comp
, &op
);
537 void CreateRequest
<I
>::handle_create_image(int r
) {
538 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
541 lderr(m_cct
) << "error writing header: " << cpp_strerror(r
) << dendl
;
547 set_stripe_unit_count();
551 void CreateRequest
<I
>::set_stripe_unit_count() {
552 if ((!m_stripe_unit
&& !m_stripe_count
) ||
553 ((m_stripe_count
== 1) && (m_stripe_unit
== (1ull << m_order
)))) {
558 ldout(m_cct
, 20) << dendl
;
560 librados::ObjectWriteOperation op
;
561 cls_client::set_stripe_unit_count(&op
, m_stripe_unit
, m_stripe_count
);
563 using klass
= CreateRequest
<I
>;
564 librados::AioCompletion
*comp
=
565 create_rados_callback
<klass
, &klass::handle_set_stripe_unit_count
>(this);
566 int r
= m_ioctx
.aio_operate(m_header_obj
, comp
, &op
);
572 void CreateRequest
<I
>::handle_set_stripe_unit_count(int r
) {
573 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
576 lderr(m_cct
) << "error setting stripe unit/count: "
577 << cpp_strerror(r
) << dendl
;
579 remove_header_object();
587 void CreateRequest
<I
>::object_map_resize() {
588 if ((m_features
& RBD_FEATURE_OBJECT_MAP
) == 0) {
593 ldout(m_cct
, 20) << dendl
;
595 librados::ObjectWriteOperation op
;
596 cls_client::object_map_resize(&op
, Striper::get_num_objects(m_layout
, m_size
),
599 using klass
= CreateRequest
<I
>;
600 librados::AioCompletion
*comp
=
601 create_rados_callback
<klass
, &klass::handle_object_map_resize
>(this);
602 int r
= m_ioctx
.aio_operate(m_objmap_name
, comp
, &op
);
608 void CreateRequest
<I
>::handle_object_map_resize(int r
) {
609 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
612 lderr(m_cct
) << "error creating initial object map: "
613 << cpp_strerror(r
) << dendl
;
616 remove_header_object();
624 void CreateRequest
<I
>::fetch_mirror_mode() {
625 if ((m_features
& RBD_FEATURE_JOURNALING
) == 0) {
630 ldout(m_cct
, 20) << dendl
;
632 librados::ObjectReadOperation op
;
633 cls_client::mirror_mode_get_start(&op
);
635 using klass
= CreateRequest
<I
>;
636 librados::AioCompletion
*comp
=
637 create_rados_callback
<klass
, &klass::handle_fetch_mirror_mode
>(this);
639 int r
= m_ioctx
.aio_operate(RBD_MIRRORING
, comp
, &op
, &m_outbl
);
645 void CreateRequest
<I
>::handle_fetch_mirror_mode(int r
) {
646 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
648 if ((r
< 0) && (r
!= -ENOENT
)) {
649 lderr(m_cct
) << "failed to retrieve mirror mode: " << cpp_strerror(r
)
657 cls::rbd::MirrorMode mirror_mode_internal
= cls::rbd::MIRROR_MODE_DISABLED
;
659 bufferlist::iterator it
= m_outbl
.begin();
660 r
= cls_client::mirror_mode_get_finish(&it
, &mirror_mode_internal
);
662 lderr(m_cct
) << "Failed to retrieve mirror mode" << dendl
;
670 // TODO: remove redundant code...
671 switch (mirror_mode_internal
) {
672 case cls::rbd::MIRROR_MODE_DISABLED
:
673 case cls::rbd::MIRROR_MODE_IMAGE
:
674 case cls::rbd::MIRROR_MODE_POOL
:
675 m_mirror_mode
= static_cast<rbd_mirror_mode_t
>(mirror_mode_internal
);
678 lderr(m_cct
) << "Unknown mirror mode ("
679 << static_cast<uint32_t>(mirror_mode_internal
) << ")" << dendl
;
689 void CreateRequest
<I
>::journal_create() {
690 ldout(m_cct
, 20) << dendl
;
692 using klass
= CreateRequest
<I
>;
693 Context
*ctx
= create_context_callback
<klass
, &klass::handle_journal_create
>(
696 librbd::journal::TagData tag_data
;
697 tag_data
.mirror_uuid
= (m_force_non_primary
? m_primary_mirror_uuid
:
698 librbd::Journal
<I
>::LOCAL_MIRROR_UUID
);
700 librbd::journal::CreateRequest
<I
> *req
=
701 librbd::journal::CreateRequest
<I
>::create(
702 m_ioctx
, m_image_id
, m_journal_order
, m_journal_splay_width
,
703 m_journal_pool
, cls::journal::Tag::TAG_CLASS_NEW
, tag_data
,
704 librbd::Journal
<I
>::IMAGE_CLIENT_ID
, m_op_work_queue
, ctx
);
709 void CreateRequest
<I
>::handle_journal_create(int r
) {
710 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
713 lderr(m_cct
) << "error creating journal: " << cpp_strerror(r
)
721 mirror_image_enable();
725 void CreateRequest
<I
>::mirror_image_enable() {
726 if (((m_mirror_mode
!= RBD_MIRROR_MODE_POOL
) && !m_force_non_primary
) ||
727 m_skip_mirror_enable
) {
732 ldout(m_cct
, 20) << dendl
;
733 auto ctx
= create_context_callback
<
734 CreateRequest
<I
>, &CreateRequest
<I
>::handle_mirror_image_enable
>(this);
735 auto req
= mirror::EnableRequest
<I
>::create(m_ioctx
, m_image_id
,
736 m_non_primary_global_image_id
,
737 m_op_work_queue
, ctx
);
742 void CreateRequest
<I
>::handle_mirror_image_enable(int r
) {
743 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
746 lderr(m_cct
) << "cannot enable mirroring: " << cpp_strerror(r
)
758 void CreateRequest
<I
>::complete(int r
) {
759 ldout(m_cct
, 20) << dendl
;
762 ldout(m_cct
, 20) << "done." << dendl
;
765 m_data_io_ctx
.close();
766 m_on_finish
->complete(r
);
772 void CreateRequest
<I
>::journal_remove() {
773 if ((m_features
& RBD_FEATURE_JOURNALING
) == 0) {
778 ldout(m_cct
, 20) << dendl
;
780 using klass
= CreateRequest
<I
>;
781 Context
*ctx
= create_context_callback
<klass
, &klass::handle_journal_remove
>(
784 librbd::journal::RemoveRequest
<I
> *req
=
785 librbd::journal::RemoveRequest
<I
>::create(
786 m_ioctx
, m_image_id
, librbd::Journal
<I
>::IMAGE_CLIENT_ID
, m_op_work_queue
,
792 void CreateRequest
<I
>::handle_journal_remove(int r
) {
793 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
796 lderr(m_cct
) << "error cleaning up journal after creation failed: "
797 << cpp_strerror(r
) << dendl
;
804 void CreateRequest
<I
>::remove_object_map() {
805 if ((m_features
& RBD_FEATURE_OBJECT_MAP
) == 0) {
806 remove_header_object();
810 ldout(m_cct
, 20) << dendl
;
812 using klass
= CreateRequest
<I
>;
813 librados::AioCompletion
*comp
=
814 create_rados_callback
<klass
, &klass::handle_remove_object_map
>(this);
815 int r
= m_ioctx
.aio_remove(m_objmap_name
, comp
);
821 void CreateRequest
<I
>::handle_remove_object_map(int r
) {
822 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
825 lderr(m_cct
) << "error cleaning up object map after creation failed: "
826 << cpp_strerror(r
) << dendl
;
829 remove_header_object();
833 void CreateRequest
<I
>::remove_header_object() {
834 ldout(m_cct
, 20) << dendl
;
836 using klass
= CreateRequest
<I
>;
837 librados::AioCompletion
*comp
=
838 create_rados_callback
<klass
, &klass::handle_remove_header_object
>(this);
839 int r
= m_ioctx
.aio_remove(m_header_obj
, comp
);
845 void CreateRequest
<I
>::handle_remove_header_object(int r
) {
846 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
849 lderr(m_cct
) << "error cleaning up image header after creation failed: "
850 << cpp_strerror(r
) << dendl
;
857 void CreateRequest
<I
>::remove_from_dir() {
858 ldout(m_cct
, 20) << dendl
;
860 librados::ObjectWriteOperation op
;
861 cls_client::dir_remove_image(&op
, m_image_name
, m_image_id
);
863 using klass
= CreateRequest
<I
>;
864 librados::AioCompletion
*comp
=
865 create_rados_callback
<klass
, &klass::handle_remove_from_dir
>(this);
866 int r
= m_ioctx
.aio_operate(RBD_DIRECTORY
, comp
, &op
);
872 void CreateRequest
<I
>::handle_remove_from_dir(int r
) {
873 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
876 lderr(m_cct
) << "error cleaning up image from rbd_directory object "
877 << "after creation failed: " << cpp_strerror(r
) << dendl
;
884 void CreateRequest
<I
>::remove_id_object() {
885 ldout(m_cct
, 20) << dendl
;
887 using klass
= CreateRequest
<I
>;
888 librados::AioCompletion
*comp
=
889 create_rados_callback
<klass
, &klass::handle_remove_id_object
>(this);
890 int r
= m_ioctx
.aio_remove(m_id_obj
, comp
);
896 void CreateRequest
<I
>::handle_remove_id_object(int r
) {
897 ldout(m_cct
, 20) << "r=" << r
<< dendl
;
900 lderr(m_cct
) << "error cleaning up id object after creation failed: "
901 << cpp_strerror(r
) << dendl
;
910 template class librbd::image::CreateRequest
<librbd::ImageCtx
>;