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3a909fe33e
By introducing lzc_send_wrapper() and routing all ZFS_IOC_SEND* users through it, we fix a Linux 5.10-introduced bug (see comment) This is all /transparent/ to the users API, ABI, and usage-wise, and disabled on FreeBSD and if the output is already a pipe, and transparently nestable (i.e. zfs_send_one() is wrapped, but so is lzc_send_redacted() it calls to ‒ this wouldn't be strictly necessary if ZFS_IOC_SEND_PROGRESS wasn't strictly denominational w.r.t. the descriptor the send is happening on) Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Paul Dagnelie <pcd@delphix.com> Co-authored-by: Rich Ercolani <rincebrain@gmail.com> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #11445 Closes #13133
159 lines
6.2 KiB
C
159 lines
6.2 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2012, 2020 by Delphix. All rights reserved.
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* Copyright (c) 2017 Datto Inc.
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* Copyright 2017 RackTop Systems.
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* Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
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*/
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#ifndef _LIBZFS_CORE_H
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#define _LIBZFS_CORE_H extern __attribute__((visibility("default")))
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#include <libnvpair.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/fs/zfs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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_LIBZFS_CORE_H int libzfs_core_init(void);
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_LIBZFS_CORE_H void libzfs_core_fini(void);
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struct zfs_cmd;
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_LIBZFS_CORE_H int lzc_ioctl_fd(int, unsigned long, struct zfs_cmd *);
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/*
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* NB: this type should be kept binary-compatible with dmu_objset_type_t.
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*/
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enum lzc_dataset_type {
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LZC_DATSET_TYPE_ZFS = 2,
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LZC_DATSET_TYPE_ZVOL
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};
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_LIBZFS_CORE_H int lzc_snapshot(nvlist_t *, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_create(const char *, enum lzc_dataset_type, nvlist_t *,
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uint8_t *, uint_t);
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_LIBZFS_CORE_H int lzc_clone(const char *, const char *, nvlist_t *);
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_LIBZFS_CORE_H int lzc_promote(const char *, char *, int);
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_LIBZFS_CORE_H int lzc_destroy_snaps(nvlist_t *, boolean_t, nvlist_t **);
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_LIBZFS_CORE_H int lzc_bookmark(nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_get_bookmarks(const char *, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_get_bookmark_props(const char *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_destroy_bookmarks(nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_load_key(const char *, boolean_t, uint8_t *, uint_t);
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_LIBZFS_CORE_H int lzc_unload_key(const char *);
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_LIBZFS_CORE_H int lzc_change_key(const char *, uint64_t, nvlist_t *, uint8_t *,
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uint_t);
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_LIBZFS_CORE_H int lzc_initialize(const char *, pool_initialize_func_t,
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nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_trim(const char *, pool_trim_func_t, uint64_t, boolean_t,
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nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_redact(const char *, const char *, nvlist_t *);
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_LIBZFS_CORE_H int lzc_snaprange_space(const char *, const char *, uint64_t *);
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_LIBZFS_CORE_H int lzc_hold(nvlist_t *, int, nvlist_t **);
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_LIBZFS_CORE_H int lzc_release(nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_get_holds(const char *, nvlist_t **);
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enum lzc_send_flags {
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LZC_SEND_FLAG_EMBED_DATA = 1 << 0,
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LZC_SEND_FLAG_LARGE_BLOCK = 1 << 1,
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LZC_SEND_FLAG_COMPRESS = 1 << 2,
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LZC_SEND_FLAG_RAW = 1 << 3,
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LZC_SEND_FLAG_SAVED = 1 << 4,
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};
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_LIBZFS_CORE_H int lzc_send_wrapper(int (*)(int, void *), int, void *);
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_LIBZFS_CORE_H int lzc_send(const char *, const char *, int,
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enum lzc_send_flags);
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_LIBZFS_CORE_H int lzc_send_resume(const char *, const char *, int,
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enum lzc_send_flags, uint64_t, uint64_t);
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_LIBZFS_CORE_H int lzc_send_space(const char *, const char *,
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enum lzc_send_flags, uint64_t *);
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struct dmu_replay_record;
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_LIBZFS_CORE_H int lzc_send_redacted(const char *, const char *, int,
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enum lzc_send_flags, const char *);
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_LIBZFS_CORE_H int lzc_send_resume_redacted(const char *, const char *, int,
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enum lzc_send_flags, uint64_t, uint64_t, const char *);
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_LIBZFS_CORE_H int lzc_receive(const char *, nvlist_t *, const char *,
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boolean_t, boolean_t, int);
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_LIBZFS_CORE_H int lzc_receive_resumable(const char *, nvlist_t *, const char *,
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boolean_t, boolean_t, int);
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_LIBZFS_CORE_H int lzc_receive_with_header(const char *, nvlist_t *,
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const char *, boolean_t, boolean_t, boolean_t, int,
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const struct dmu_replay_record *);
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_LIBZFS_CORE_H int lzc_receive_one(const char *, nvlist_t *, const char *,
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boolean_t, boolean_t, boolean_t, int, const struct dmu_replay_record *, int,
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uint64_t *, uint64_t *, uint64_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_receive_with_cmdprops(const char *, nvlist_t *,
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nvlist_t *, uint8_t *, uint_t, const char *, boolean_t, boolean_t,
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boolean_t, int, const struct dmu_replay_record *, int, uint64_t *,
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uint64_t *, uint64_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_send_space(const char *, const char *,
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enum lzc_send_flags, uint64_t *);
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_LIBZFS_CORE_H int lzc_send_space_resume_redacted(const char *, const char *,
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enum lzc_send_flags, uint64_t, uint64_t, uint64_t, const char *,
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int, uint64_t *);
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_LIBZFS_CORE_H uint64_t lzc_send_progress(int);
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_LIBZFS_CORE_H boolean_t lzc_exists(const char *);
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_LIBZFS_CORE_H int lzc_rollback(const char *, char *, int);
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_LIBZFS_CORE_H int lzc_rollback_to(const char *, const char *);
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_LIBZFS_CORE_H int lzc_rename(const char *, const char *);
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_LIBZFS_CORE_H int lzc_destroy(const char *);
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_LIBZFS_CORE_H int lzc_channel_program(const char *, const char *, uint64_t,
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uint64_t, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_channel_program_nosync(const char *, const char *,
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uint64_t, uint64_t, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_sync(const char *, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_reopen(const char *, boolean_t);
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_LIBZFS_CORE_H int lzc_pool_checkpoint(const char *);
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_LIBZFS_CORE_H int lzc_pool_checkpoint_discard(const char *);
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_LIBZFS_CORE_H int lzc_wait(const char *, zpool_wait_activity_t, boolean_t *);
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_LIBZFS_CORE_H int lzc_wait_tag(const char *, zpool_wait_activity_t, uint64_t,
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boolean_t *);
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_LIBZFS_CORE_H int lzc_wait_fs(const char *, zfs_wait_activity_t, boolean_t *);
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_LIBZFS_CORE_H int lzc_set_bootenv(const char *, const nvlist_t *);
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_LIBZFS_CORE_H int lzc_get_bootenv(const char *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_get_vdev_prop(const char *, nvlist_t *, nvlist_t **);
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_LIBZFS_CORE_H int lzc_set_vdev_prop(const char *, nvlist_t *, nvlist_t **);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBZFS_CORE_H */
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