Add 'zfs send --saved' flag
This commit adds the --saved (-S) to the 'zfs send' command. This flag allows a user to send a partially received dataset, which can be useful when migrating a backup server to new hardware. This flag is compatible with resumable receives, so even if the saved send is interrupted, it can be resumed. The flag does not require any user / kernel ABI changes or any new feature flags in the send stream format. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Reviewed-by: Alek Pinchuk <apinchuk@datto.com> Reviewed-by: Paul Zuchowski <pzuchowski@datto.com> Reviewed-by: Christian Schwarz <me@cschwarz.com> Reviewed-by: Matt Ahrens <matt@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tom Caputi <tcaputi@datto.com> Closes #9007
This commit is contained in:
Tom Caputi
Brian Behlendorf
parent
9ab6109fb5
commit
ba0ba69e50
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@ -318,7 +318,8 @@ get_usage(zfs_help_t idx)
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"<filesystem|volume|snapshot>\n"
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"\tsend [-DnPpvLec] [-i bookmark|snapshot] "
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"--redact <bookmark> <snapshot>\n"
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"\tsend [-nvPe] -t <receive_resume_token>\n"));
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"\tsend [-nvPe] -t <receive_resume_token>\n"
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"\tsend [-Pnv] --saved filesystem\n"));
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case HELP_SET:
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return (gettext("\tset <property=value> ... "
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"<filesystem|volume|snapshot> ...\n"));
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@ -4207,11 +4208,12 @@ zfs_do_send(int argc, char **argv)
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{"raw", no_argument, NULL, 'w'},
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{"backup", no_argument, NULL, 'b'},
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{"holds", no_argument, NULL, 'h'},
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{"saved", no_argument, NULL, 'S'},
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{0, 0, 0, 0}
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};
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/* check options */
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while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLeht:cwbd:",
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while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLeht:cwbd:S",
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long_options, NULL)) != -1) {
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switch (c) {
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case 'i':
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@ -4271,6 +4273,9 @@ zfs_do_send(int argc, char **argv)
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flags.embed_data = B_TRUE;
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flags.largeblock = B_TRUE;
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break;
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case 'S':
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flags.saved = B_TRUE;
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break;
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case ':':
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/*
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* If a parameter was not passed, optopt contains the
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@ -4321,7 +4326,7 @@ zfs_do_send(int argc, char **argv)
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if (resume_token != NULL) {
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if (fromname != NULL || flags.replicate || flags.props ||
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flags.backup || flags.dedup || flags.holds ||
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redactbook != NULL) {
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flags.saved || redactbook != NULL) {
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(void) fprintf(stderr,
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gettext("invalid flags combined with -t\n"));
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usage(B_FALSE);
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@ -4342,6 +4347,23 @@ zfs_do_send(int argc, char **argv)
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}
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}
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if (flags.saved) {
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if (fromname != NULL || flags.replicate || flags.props ||
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flags.doall || flags.backup || flags.dedup ||
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flags.holds || flags.largeblock || flags.embed_data ||
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flags.compress || flags.raw || redactbook != NULL) {
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(void) fprintf(stderr, gettext("incompatible flags "
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"combined with saved send flag\n"));
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usage(B_FALSE);
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}
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if (strchr(argv[0], '@') != NULL) {
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(void) fprintf(stderr, gettext("saved send must "
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"specify the dataset with partially-received "
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"state\n"));
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usage(B_FALSE);
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}
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}
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if (flags.raw && redactbook != NULL) {
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(void) fprintf(stderr,
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gettext("Error: raw sends may not be redacted.\n"));
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@ -4355,7 +4377,16 @@ zfs_do_send(int argc, char **argv)
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return (1);
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}
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if (resume_token != NULL) {
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if (flags.saved) {
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zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
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if (zhp == NULL)
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return (1);
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err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
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resume_token);
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zfs_close(zhp);
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return (err != 0);
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} else if (resume_token != NULL) {
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return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
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resume_token));
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}
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@ -677,6 +677,9 @@ typedef struct sendflags {
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/* include snapshot holds in send stream */
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boolean_t holds;
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/* stream represents a partially received dataset */
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boolean_t saved;
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} sendflags_t;
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typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
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@ -688,6 +691,7 @@ extern int zfs_send_one(zfs_handle_t *, const char *, int, sendflags_t *,
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extern int zfs_send_progress(zfs_handle_t *, int, uint64_t *, uint64_t *);
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extern int zfs_send_resume(libzfs_handle_t *, sendflags_t *, int outfd,
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const char *);
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extern int zfs_send_saved(zfs_handle_t *, sendflags_t *, int, const char *);
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extern nvlist_t *zfs_send_resume_token_to_nvlist(libzfs_handle_t *hdl,
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const char *token);
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@ -79,6 +79,7 @@ enum lzc_send_flags {
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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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int lzc_send(const char *, const char *, int, enum lzc_send_flags);
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@ -51,14 +51,16 @@ struct dmu_send_outparams;
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int
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dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
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boolean_t large_block_ok, boolean_t compressok, boolean_t rawok,
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uint64_t resumeobj, uint64_t resumeoff, const char *redactbook, int outfd,
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offset_t *off, struct dmu_send_outparams *dsop);
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boolean_t savedok, uint64_t resumeobj, uint64_t resumeoff,
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const char *redactbook, int outfd, offset_t *off,
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struct dmu_send_outparams *dsop);
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int dmu_send_estimate_fast(struct dsl_dataset *ds, struct dsl_dataset *fromds,
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zfs_bookmark_phys_t *frombook, boolean_t stream_compressed,
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uint64_t *sizep);
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boolean_t saved, uint64_t *sizep);
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int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
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boolean_t embedok, boolean_t large_block_ok, boolean_t compressok,
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boolean_t rawok, int outfd, offset_t *off, struct dmu_send_outparams *dso);
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boolean_t rawok, boolean_t savedok, int outfd, offset_t *off,
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struct dmu_send_outparams *dso);
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typedef int (*dmu_send_outfunc_t)(objset_t *os, void *buf, int len, void *arg);
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typedef struct dmu_send_outparams {
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@ -1815,6 +1815,8 @@ lzc_flags_from_sendflags(const sendflags_t *flags)
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lzc_flags |= LZC_SEND_FLAG_COMPRESS;
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if (flags->raw)
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lzc_flags |= LZC_SEND_FLAG_RAW;
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if (flags->saved)
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lzc_flags |= LZC_SEND_FLAG_SAVED;
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return (lzc_flags);
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}
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@ -1981,9 +1983,9 @@ find_redact_book(libzfs_handle_t *hdl, const char *path,
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return (0);
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}
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int
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zfs_send_resume(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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const char *resume_token)
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static int
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zfs_send_resume_impl(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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nvlist_t *resume_nvl)
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{
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char errbuf[1024];
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char *toname;
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@ -2001,15 +2003,6 @@ zfs_send_resume(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
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"cannot resume send"));
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nvlist_t *resume_nvl =
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zfs_send_resume_token_to_nvlist(hdl, resume_token);
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if (resume_nvl == NULL) {
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/*
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* zfs_error_aux has already been set by
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* zfs_send_resume_token_to_nvlist
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*/
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return (zfs_error(hdl, EZFS_FAULT, errbuf));
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}
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if (flags->verbosity != 0) {
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(void) fprintf(fout, dgettext(TEXT_DOMAIN,
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"resume token contents:\n"));
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@ -2036,19 +2029,27 @@ zfs_send_resume(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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lzc_flags |= LZC_SEND_FLAG_COMPRESS;
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if (flags->raw || nvlist_exists(resume_nvl, "rawok"))
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lzc_flags |= LZC_SEND_FLAG_RAW;
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if (flags->saved || nvlist_exists(resume_nvl, "savedok"))
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lzc_flags |= LZC_SEND_FLAG_SAVED;
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if (guid_to_name(hdl, toname, toguid, B_FALSE, name) != 0) {
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if (zfs_dataset_exists(hdl, toname, ZFS_TYPE_DATASET)) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"'%s' is no longer the same snapshot used in "
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"the initial send"), toname);
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} else {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"'%s' used in the initial send no longer exists"),
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toname);
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if (flags->saved) {
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(void) strcpy(name, toname);
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} else {
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error = guid_to_name(hdl, toname, toguid, B_FALSE, name);
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if (error != 0) {
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if (zfs_dataset_exists(hdl, toname, ZFS_TYPE_DATASET)) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"'%s' is no longer the same snapshot "
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"used in the initial send"), toname);
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} else {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"'%s' used in the initial send no "
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"longer exists"), toname);
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}
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return (zfs_error(hdl, EZFS_BADPATH, errbuf));
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}
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return (zfs_error(hdl, EZFS_BADPATH, errbuf));
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}
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zhp = zfs_open(hdl, name, ZFS_TYPE_DATASET);
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if (zhp == NULL) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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@ -2199,6 +2200,122 @@ zfs_send_resume(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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return (error);
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}
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int
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zfs_send_resume(libzfs_handle_t *hdl, sendflags_t *flags, int outfd,
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const char *resume_token)
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{
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int ret;
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char errbuf[1024];
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nvlist_t *resume_nvl;
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(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
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"cannot resume send"));
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resume_nvl = zfs_send_resume_token_to_nvlist(hdl, resume_token);
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if (resume_nvl == NULL) {
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/*
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* zfs_error_aux has already been set by
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* zfs_send_resume_token_to_nvlist()
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*/
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return (zfs_error(hdl, EZFS_FAULT, errbuf));
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}
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ret = zfs_send_resume_impl(hdl, flags, outfd, resume_nvl);
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nvlist_free(resume_nvl);
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return (ret);
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}
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int
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zfs_send_saved(zfs_handle_t *zhp, sendflags_t *flags, int outfd,
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const char *resume_token)
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{
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int ret;
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libzfs_handle_t *hdl = zhp->zfs_hdl;
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nvlist_t *saved_nvl = NULL, *resume_nvl = NULL;
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uint64_t saved_guid = 0, resume_guid = 0;
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uint64_t obj = 0, off = 0, bytes = 0;
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char token_buf[ZFS_MAXPROPLEN];
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char errbuf[1024];
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(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
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"saved send failed"));
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ret = zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
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token_buf, sizeof (token_buf), NULL, NULL, 0, B_TRUE);
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if (ret != 0)
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goto out;
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saved_nvl = zfs_send_resume_token_to_nvlist(hdl, token_buf);
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if (saved_nvl == NULL) {
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/*
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* zfs_error_aux has already been set by
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* zfs_send_resume_token_to_nvlist()
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*/
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ret = zfs_error(hdl, EZFS_FAULT, errbuf);
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goto out;
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}
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/*
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* If a resume token is provided we use the object and offset
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* from that instead of the default, which starts from the
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* beginning.
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*/
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if (resume_token != NULL) {
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resume_nvl = zfs_send_resume_token_to_nvlist(hdl,
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resume_token);
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if (resume_nvl == NULL) {
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ret = zfs_error(hdl, EZFS_FAULT, errbuf);
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goto out;
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}
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if (nvlist_lookup_uint64(resume_nvl, "object", &obj) != 0 ||
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nvlist_lookup_uint64(resume_nvl, "offset", &off) != 0 ||
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nvlist_lookup_uint64(resume_nvl, "bytes", &bytes) != 0 ||
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nvlist_lookup_uint64(resume_nvl, "toguid",
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&resume_guid) != 0) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"provided resume token is corrupt"));
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ret = zfs_error(hdl, EZFS_FAULT, errbuf);
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goto out;
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}
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if (nvlist_lookup_uint64(saved_nvl, "toguid",
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&saved_guid)) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"dataset's resume token is corrupt"));
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ret = zfs_error(hdl, EZFS_FAULT, errbuf);
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goto out;
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}
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if (resume_guid != saved_guid) {
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zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
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"provided resume token does not match dataset"));
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ret = zfs_error(hdl, EZFS_BADBACKUP, errbuf);
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goto out;
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}
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}
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(void) nvlist_remove_all(saved_nvl, "object");
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fnvlist_add_uint64(saved_nvl, "object", obj);
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(void) nvlist_remove_all(saved_nvl, "offset");
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fnvlist_add_uint64(saved_nvl, "offset", off);
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(void) nvlist_remove_all(saved_nvl, "bytes");
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fnvlist_add_uint64(saved_nvl, "bytes", bytes);
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(void) nvlist_remove_all(saved_nvl, "toname");
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fnvlist_add_string(saved_nvl, "toname", zhp->zfs_name);
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ret = zfs_send_resume_impl(hdl, flags, outfd, saved_nvl);
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out:
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nvlist_free(saved_nvl);
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nvlist_free(resume_nvl);
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return (ret);
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}
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/*
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* This function informs the target system that the recursive send is complete.
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* The record is also expected in the case of a send -p.
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|
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@ -675,6 +675,8 @@ lzc_send_resume_redacted(const char *snapname, const char *from, int fd,
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fnvlist_add_boolean(args, "compressok");
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if (flags & LZC_SEND_FLAG_RAW)
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fnvlist_add_boolean(args, "rawok");
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if (flags & LZC_SEND_FLAG_SAVED)
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fnvlist_add_boolean(args, "savedok");
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if (resumeobj != 0 || resumeoff != 0) {
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fnvlist_add_uint64(args, "resume_object", resumeobj);
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fnvlist_add_uint64(args, "resume_offset", resumeoff);
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@ -60,6 +60,10 @@
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.Fl t
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.Ar receive_resume_token
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.Nm
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.Cm send
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.Op Fl Pnv
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.Fl S Ar filesystem
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.Nm
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.Cm redact
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.Ar snapshot redaction_bookmark
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.Ar redaction_snapshot Ns ...
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@ -503,6 +507,23 @@ See the documentation for
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for more details.
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.It Xo
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.Nm
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.Cm send
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.Op Fl Pnv
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.Op Fl i Ar snapshot Ns | Ns Ar bookmark
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.Fl S
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.Ar filesystem
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.Xc
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Generate a send stream from a dataset that has been partially received.
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.Bl -tag -width "-L"
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.It Fl S, -saved
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This flag requires that the specified filesystem previously received a resumable
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send that did not finish and was interrupted. In such scenarios this flag
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enables the user to send this partially received state. Using this flag will
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always use the last fully received snapshot as the incremental source if it
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exists.
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.El
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.It Xo
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.Nm
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.Cm redact
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.Ar snapshot redaction_bookmark
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.Ar redaction_snapshot Ns ...
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|
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@ -887,7 +887,6 @@ dmu_recv_begin_sync(void *arg, dmu_tx_t *tx)
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drba->drba_cookie->drc_raw = B_TRUE;
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}
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if (featureflags & DMU_BACKUP_FEATURE_REDACTED) {
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uint64_t *redact_snaps;
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uint_t numredactsnaps;
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|
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@ -51,6 +51,7 @@
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#include <sys/ddt.h>
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#include <sys/zfs_onexit.h>
|
||||
#include <sys/dmu_send.h>
|
||||
#include <sys/dmu_recv.h>
|
||||
#include <sys/dsl_destroy.h>
|
||||
#include <sys/blkptr.h>
|
||||
#include <sys/dsl_bookmark.h>
|
||||
|
|
@ -1888,8 +1889,11 @@ struct dmu_send_params {
|
|||
boolean_t embedok;
|
||||
boolean_t large_block_ok;
|
||||
boolean_t compressok;
|
||||
boolean_t rawok;
|
||||
boolean_t savedok;
|
||||
uint64_t resumeobj;
|
||||
uint64_t resumeoff;
|
||||
uint64_t saved_guid;
|
||||
zfs_bookmark_phys_t *redactbook;
|
||||
/* Stream output params */
|
||||
dmu_send_outparams_t *dso;
|
||||
|
|
@ -1897,7 +1901,7 @@ struct dmu_send_params {
|
|||
/* Stream progress params */
|
||||
offset_t *off;
|
||||
int outfd;
|
||||
boolean_t rawok;
|
||||
char saved_toname[MAXNAMELEN];
|
||||
};
|
||||
|
||||
static int
|
||||
|
|
@ -1984,10 +1988,15 @@ create_begin_record(struct dmu_send_params *dspp, objset_t *os,
|
|||
drrb->drr_flags |= DRR_FLAG_FREERECORDS;
|
||||
drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_SPILL_BLOCK;
|
||||
|
||||
dsl_dataset_name(to_ds, drrb->drr_toname);
|
||||
if (!to_ds->ds_is_snapshot) {
|
||||
(void) strlcat(drrb->drr_toname, "@--head--",
|
||||
sizeof (drrb->drr_toname));
|
||||
if (dspp->savedok) {
|
||||
drrb->drr_toguid = dspp->saved_guid;
|
||||
strcpy(drrb->drr_toname, dspp->saved_toname);
|
||||
} else {
|
||||
dsl_dataset_name(to_ds, drrb->drr_toname);
|
||||
if (!to_ds->ds_is_snapshot) {
|
||||
(void) strlcat(drrb->drr_toname, "@--head--",
|
||||
sizeof (drrb->drr_toname));
|
||||
}
|
||||
}
|
||||
return (drr);
|
||||
}
|
||||
|
|
@ -2305,6 +2314,7 @@ dmu_send_impl(struct dmu_send_params *dspp)
|
|||
dsl_pool_rele(dp, tag);
|
||||
return (err);
|
||||
}
|
||||
|
||||
/*
|
||||
* If this is a non-raw send of an encrypted ds, we can ensure that
|
||||
* the objset_phys_t is authenticated. This is safe because this is
|
||||
|
|
@ -2526,19 +2536,27 @@ dmu_send_impl(struct dmu_send_params *dspp)
|
|||
goto out;
|
||||
}
|
||||
|
||||
bzero(drr, sizeof (dmu_replay_record_t));
|
||||
drr->drr_type = DRR_END;
|
||||
drr->drr_u.drr_end.drr_checksum = dsc.dsc_zc;
|
||||
drr->drr_u.drr_end.drr_toguid = dsc.dsc_toguid;
|
||||
/*
|
||||
* Send the DRR_END record if this is not a saved stream.
|
||||
* Otherwise, the omitted DRR_END record will signal to
|
||||
* the receive side that the stream is incomplete.
|
||||
*/
|
||||
if (!dspp->savedok) {
|
||||
bzero(drr, sizeof (dmu_replay_record_t));
|
||||
drr->drr_type = DRR_END;
|
||||
drr->drr_u.drr_end.drr_checksum = dsc.dsc_zc;
|
||||
drr->drr_u.drr_end.drr_toguid = dsc.dsc_toguid;
|
||||
|
||||
if (dump_record(&dsc, NULL, 0) != 0)
|
||||
err = dsc.dsc_err;
|
||||
if (dump_record(&dsc, NULL, 0) != 0)
|
||||
err = dsc.dsc_err;
|
||||
}
|
||||
out:
|
||||
mutex_enter(&to_ds->ds_sendstream_lock);
|
||||
list_remove(&to_ds->ds_sendstreams, dssp);
|
||||
mutex_exit(&to_ds->ds_sendstream_lock);
|
||||
|
||||
VERIFY(err != 0 || (dsc.dsc_sent_begin && dsc.dsc_sent_end));
|
||||
VERIFY(err != 0 || (dsc.dsc_sent_begin &&
|
||||
(dsc.dsc_sent_end || dspp->savedok)));
|
||||
|
||||
kmem_free(drr, sizeof (dmu_replay_record_t));
|
||||
kmem_free(dssp, sizeof (dmu_sendstatus_t));
|
||||
|
|
@ -2564,7 +2582,8 @@ out:
|
|||
int
|
||||
dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
|
||||
boolean_t embedok, boolean_t large_block_ok, boolean_t compressok,
|
||||
boolean_t rawok, int outfd, offset_t *off, dmu_send_outparams_t *dsop)
|
||||
boolean_t rawok, boolean_t savedok, int outfd, offset_t *off,
|
||||
dmu_send_outparams_t *dsop)
|
||||
{
|
||||
int err;
|
||||
dsl_dataset_t *fromds;
|
||||
|
|
@ -2578,6 +2597,7 @@ dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
|
|||
dspp.dso = dsop;
|
||||
dspp.tag = FTAG;
|
||||
dspp.rawok = rawok;
|
||||
dspp.savedok = savedok;
|
||||
|
||||
err = dsl_pool_hold(pool, FTAG, &dspp.dp);
|
||||
if (err != 0)
|
||||
|
|
@ -2644,8 +2664,9 @@ dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
|
|||
int
|
||||
dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
|
||||
boolean_t large_block_ok, boolean_t compressok, boolean_t rawok,
|
||||
uint64_t resumeobj, uint64_t resumeoff, const char *redactbook, int outfd,
|
||||
offset_t *off, dmu_send_outparams_t *dsop)
|
||||
boolean_t savedok, uint64_t resumeobj, uint64_t resumeoff,
|
||||
const char *redactbook, int outfd, offset_t *off,
|
||||
dmu_send_outparams_t *dsop)
|
||||
{
|
||||
int err = 0;
|
||||
ds_hold_flags_t dsflags = (rawok) ? 0 : DS_HOLD_FLAG_DECRYPT;
|
||||
|
|
@ -2653,6 +2674,7 @@ dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
|
|||
dsl_dataset_t *fromds = NULL;
|
||||
zfs_bookmark_phys_t book = {0};
|
||||
struct dmu_send_params dspp = {0};
|
||||
|
||||
dspp.tosnap = tosnap;
|
||||
dspp.embedok = embedok;
|
||||
dspp.large_block_ok = large_block_ok;
|
||||
|
|
@ -2664,6 +2686,7 @@ dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
|
|||
dspp.resumeobj = resumeobj;
|
||||
dspp.resumeoff = resumeoff;
|
||||
dspp.rawok = rawok;
|
||||
dspp.savedok = savedok;
|
||||
|
||||
if (fromsnap != NULL && strpbrk(fromsnap, "@#") == NULL)
|
||||
return (SET_ERROR(EINVAL));
|
||||
|
|
@ -2671,13 +2694,57 @@ dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
|
|||
err = dsl_pool_hold(tosnap, FTAG, &dspp.dp);
|
||||
if (err != 0)
|
||||
return (err);
|
||||
|
||||
if (strchr(tosnap, '@') == NULL && spa_writeable(dspp.dp->dp_spa)) {
|
||||
/*
|
||||
* We are sending a filesystem or volume. Ensure
|
||||
* that it doesn't change by owning the dataset.
|
||||
*/
|
||||
err = dsl_dataset_own(dspp.dp, tosnap, dsflags, FTAG,
|
||||
&dspp.to_ds);
|
||||
|
||||
if (savedok) {
|
||||
/*
|
||||
* We are looking for the dataset that represents the
|
||||
* partially received send stream. If this stream was
|
||||
* received as a new snapshot of an existing dataset,
|
||||
* this will be saved in a hidden clone named
|
||||
* "<pool>/<dataset>/%recv". Otherwise, the stream
|
||||
* will be saved in the live dataset itself. In
|
||||
* either case we need to use dsl_dataset_own_force()
|
||||
* because the stream is marked as inconsistent,
|
||||
* which would normally make it unavailable to be
|
||||
* owned.
|
||||
*/
|
||||
char *name = kmem_asprintf("%s/%s", tosnap,
|
||||
recv_clone_name);
|
||||
err = dsl_dataset_own_force(dspp.dp, name, dsflags,
|
||||
FTAG, &dspp.to_ds);
|
||||
if (err == ENOENT) {
|
||||
err = dsl_dataset_own_force(dspp.dp, tosnap,
|
||||
dsflags, FTAG, &dspp.to_ds);
|
||||
}
|
||||
|
||||
if (err == 0) {
|
||||
err = zap_lookup(dspp.dp->dp_meta_objset,
|
||||
dspp.to_ds->ds_object,
|
||||
DS_FIELD_RESUME_TOGUID, 8, 1,
|
||||
&dspp.saved_guid);
|
||||
}
|
||||
|
||||
if (err == 0) {
|
||||
err = zap_lookup(dspp.dp->dp_meta_objset,
|
||||
dspp.to_ds->ds_object,
|
||||
DS_FIELD_RESUME_TONAME, 1,
|
||||
sizeof (dspp.saved_toname),
|
||||
dspp.saved_toname);
|
||||
}
|
||||
if (err != 0)
|
||||
dsl_dataset_disown(dspp.to_ds, dsflags, FTAG);
|
||||
|
||||
kmem_strfree(name);
|
||||
} else {
|
||||
err = dsl_dataset_own(dspp.dp, tosnap, dsflags,
|
||||
FTAG, &dspp.to_ds);
|
||||
}
|
||||
owned = B_TRUE;
|
||||
} else {
|
||||
err = dsl_dataset_hold_flags(dspp.dp, tosnap, dsflags, FTAG,
|
||||
|
|
@ -2763,9 +2830,6 @@ dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
|
|||
0)) {
|
||||
err = SET_ERROR(EXDEV);
|
||||
} else {
|
||||
ASSERT3U(dspp.is_clone, ==,
|
||||
(dspp.to_ds->ds_dir !=
|
||||
fromds->ds_dir));
|
||||
zb->zbm_creation_txg =
|
||||
dsl_dataset_phys(fromds)->
|
||||
ds_creation_txg;
|
||||
|
|
@ -2870,37 +2934,80 @@ dmu_adjust_send_estimate_for_indirects(dsl_dataset_t *ds, uint64_t uncompressed,
|
|||
}
|
||||
|
||||
int
|
||||
dmu_send_estimate_fast(dsl_dataset_t *ds, dsl_dataset_t *fromds,
|
||||
zfs_bookmark_phys_t *frombook, boolean_t stream_compressed, uint64_t *sizep)
|
||||
dmu_send_estimate_fast(dsl_dataset_t *origds, dsl_dataset_t *fromds,
|
||||
zfs_bookmark_phys_t *frombook, boolean_t stream_compressed,
|
||||
boolean_t saved, uint64_t *sizep)
|
||||
{
|
||||
int err;
|
||||
dsl_dataset_t *ds = origds;
|
||||
uint64_t uncomp, comp;
|
||||
|
||||
ASSERT(dsl_pool_config_held(ds->ds_dir->dd_pool));
|
||||
ASSERT(dsl_pool_config_held(origds->ds_dir->dd_pool));
|
||||
ASSERT(fromds == NULL || frombook == NULL);
|
||||
|
||||
/* tosnap must be a snapshot */
|
||||
if (!ds->ds_is_snapshot)
|
||||
/*
|
||||
* If this is a saved send we may actually be sending
|
||||
* from the %recv clone used for resuming.
|
||||
*/
|
||||
if (saved) {
|
||||
objset_t *mos = origds->ds_dir->dd_pool->dp_meta_objset;
|
||||
uint64_t guid;
|
||||
char dsname[ZFS_MAX_DATASET_NAME_LEN + 6];
|
||||
|
||||
dsl_dataset_name(origds, dsname);
|
||||
(void) strcat(dsname, "/");
|
||||
(void) strcat(dsname, recv_clone_name);
|
||||
|
||||
err = dsl_dataset_hold(origds->ds_dir->dd_pool,
|
||||
dsname, FTAG, &ds);
|
||||
if (err != ENOENT && err != 0) {
|
||||
return (err);
|
||||
} else if (err == ENOENT) {
|
||||
ds = origds;
|
||||
}
|
||||
|
||||
/* check that this dataset has partially received data */
|
||||
err = zap_lookup(mos, ds->ds_object,
|
||||
DS_FIELD_RESUME_TOGUID, 8, 1, &guid);
|
||||
if (err != 0) {
|
||||
err = SET_ERROR(err == ENOENT ? EINVAL : err);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = zap_lookup(mos, ds->ds_object,
|
||||
DS_FIELD_RESUME_TONAME, 1, sizeof (dsname), dsname);
|
||||
if (err != 0) {
|
||||
err = SET_ERROR(err == ENOENT ? EINVAL : err);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
/* tosnap must be a snapshot or the target of a saved send */
|
||||
if (!ds->ds_is_snapshot && ds == origds)
|
||||
return (SET_ERROR(EINVAL));
|
||||
|
||||
if (fromds != NULL) {
|
||||
uint64_t used;
|
||||
if (!fromds->ds_is_snapshot)
|
||||
return (SET_ERROR(EINVAL));
|
||||
if (!fromds->ds_is_snapshot) {
|
||||
err = SET_ERROR(EINVAL);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!dsl_dataset_is_before(ds, fromds, 0))
|
||||
return (SET_ERROR(EXDEV));
|
||||
if (!dsl_dataset_is_before(ds, fromds, 0)) {
|
||||
err = SET_ERROR(EXDEV);
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = dsl_dataset_space_written(fromds, ds, &used, &comp,
|
||||
&uncomp);
|
||||
if (err != 0)
|
||||
return (err);
|
||||
goto out;
|
||||
} else if (frombook != NULL) {
|
||||
uint64_t used;
|
||||
err = dsl_dataset_space_written_bookmark(frombook, ds, &used,
|
||||
&comp, &uncomp);
|
||||
if (err != 0)
|
||||
return (err);
|
||||
goto out;
|
||||
} else {
|
||||
uncomp = dsl_dataset_phys(ds)->ds_uncompressed_bytes;
|
||||
comp = dsl_dataset_phys(ds)->ds_compressed_bytes;
|
||||
|
|
@ -2912,6 +3019,10 @@ dmu_send_estimate_fast(dsl_dataset_t *ds, dsl_dataset_t *fromds,
|
|||
* Add the size of the BEGIN and END records to the estimate.
|
||||
*/
|
||||
*sizep += 2 * sizeof (dmu_replay_record_t);
|
||||
|
||||
out:
|
||||
if (ds != origds)
|
||||
dsl_dataset_rele(ds, FTAG);
|
||||
return (err);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -5291,6 +5291,7 @@ zfs_ioc_send(zfs_cmd_t *zc)
|
|||
boolean_t large_block_ok = (zc->zc_flags & 0x2);
|
||||
boolean_t compressok = (zc->zc_flags & 0x4);
|
||||
boolean_t rawok = (zc->zc_flags & 0x8);
|
||||
boolean_t savedok = (zc->zc_flags & 0x10);
|
||||
|
||||
if (zc->zc_obj != 0) {
|
||||
dsl_pool_t *dp;
|
||||
|
|
@ -5340,7 +5341,7 @@ zfs_ioc_send(zfs_cmd_t *zc)
|
|||
}
|
||||
|
||||
error = dmu_send_estimate_fast(tosnap, fromsnap, NULL,
|
||||
compressok || rawok, &zc->zc_objset_type);
|
||||
compressok || rawok, savedok, &zc->zc_objset_type);
|
||||
|
||||
if (fromsnap != NULL)
|
||||
dsl_dataset_rele(fromsnap, FTAG);
|
||||
|
|
@ -5358,8 +5359,8 @@ zfs_ioc_send(zfs_cmd_t *zc)
|
|||
out.dso_arg = fp;
|
||||
out.dso_dryrun = B_FALSE;
|
||||
error = dmu_send_obj(zc->zc_name, zc->zc_sendobj,
|
||||
zc->zc_fromobj, embedok, large_block_ok, compressok, rawok,
|
||||
zc->zc_cookie, &off, &out);
|
||||
zc->zc_fromobj, embedok, large_block_ok, compressok,
|
||||
rawok, savedok, zc->zc_cookie, &off, &out);
|
||||
|
||||
zfs_file_put(zc->zc_cookie);
|
||||
}
|
||||
|
|
@ -6245,6 +6246,8 @@ zfs_ioc_space_snaps(const char *lastsnap, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
* presence indicates compressed DRR_WRITE records are permitted
|
||||
* (optional) "rawok" -> (value ignored)
|
||||
* presence indicates raw encrypted records should be used.
|
||||
* (optional) "savedok" -> (value ignored)
|
||||
* presence indicates we should send a partially received snapshot
|
||||
* (optional) "resume_object" and "resume_offset" -> (uint64)
|
||||
* if present, resume send stream from specified object and offset.
|
||||
* (optional) "redactbook" -> (string)
|
||||
|
|
@ -6261,6 +6264,7 @@ static const zfs_ioc_key_t zfs_keys_send_new[] = {
|
|||
{"embedok", DATA_TYPE_BOOLEAN, ZK_OPTIONAL},
|
||||
{"compressok", DATA_TYPE_BOOLEAN, ZK_OPTIONAL},
|
||||
{"rawok", DATA_TYPE_BOOLEAN, ZK_OPTIONAL},
|
||||
{"savedok", DATA_TYPE_BOOLEAN, ZK_OPTIONAL},
|
||||
{"resume_object", DATA_TYPE_UINT64, ZK_OPTIONAL},
|
||||
{"resume_offset", DATA_TYPE_UINT64, ZK_OPTIONAL},
|
||||
{"redactbook", DATA_TYPE_STRING, ZK_OPTIONAL},
|
||||
|
|
@ -6279,6 +6283,7 @@ zfs_ioc_send_new(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
boolean_t embedok;
|
||||
boolean_t compressok;
|
||||
boolean_t rawok;
|
||||
boolean_t savedok;
|
||||
uint64_t resumeobj = 0;
|
||||
uint64_t resumeoff = 0;
|
||||
char *redactbook = NULL;
|
||||
|
|
@ -6291,6 +6296,7 @@ zfs_ioc_send_new(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
embedok = nvlist_exists(innvl, "embedok");
|
||||
compressok = nvlist_exists(innvl, "compressok");
|
||||
rawok = nvlist_exists(innvl, "rawok");
|
||||
savedok = nvlist_exists(innvl, "savedok");
|
||||
|
||||
(void) nvlist_lookup_uint64(innvl, "resume_object", &resumeobj);
|
||||
(void) nvlist_lookup_uint64(innvl, "resume_offset", &resumeoff);
|
||||
|
|
@ -6306,8 +6312,9 @@ zfs_ioc_send_new(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
out.dso_outfunc = dump_bytes;
|
||||
out.dso_arg = fp;
|
||||
out.dso_dryrun = B_FALSE;
|
||||
error = dmu_send(snapname, fromname, embedok, largeblockok, compressok,
|
||||
rawok, resumeobj, resumeoff, redactbook, fd, &off, &out);
|
||||
error = dmu_send(snapname, fromname, embedok, largeblockok,
|
||||
compressok, rawok, savedok, resumeobj, resumeoff,
|
||||
redactbook, fd, &off, &out);
|
||||
|
||||
zfs_file_put(fd);
|
||||
return (error);
|
||||
|
|
@ -6372,6 +6379,7 @@ zfs_ioc_send_space(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
boolean_t embedok;
|
||||
boolean_t compressok;
|
||||
boolean_t rawok;
|
||||
boolean_t savedok;
|
||||
uint64_t space = 0;
|
||||
boolean_t full_estimate = B_FALSE;
|
||||
uint64_t resumeobj = 0;
|
||||
|
|
@ -6395,6 +6403,7 @@ zfs_ioc_send_space(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
embedok = nvlist_exists(innvl, "embedok");
|
||||
compressok = nvlist_exists(innvl, "compressok");
|
||||
rawok = nvlist_exists(innvl, "rawok");
|
||||
savedok = nvlist_exists(innvl, "savedok");
|
||||
boolean_t from = (nvlist_lookup_string(innvl, "from", &fromname) == 0);
|
||||
boolean_t altbook = (nvlist_lookup_string(innvl, "redactbook",
|
||||
&redactlist_book) == 0);
|
||||
|
|
@ -6469,12 +6478,12 @@ zfs_ioc_send_space(const char *snapname, nvlist_t *innvl, nvlist_t *outnvl)
|
|||
dsl_dataset_rele(tosnap, FTAG);
|
||||
dsl_pool_rele(dp, FTAG);
|
||||
error = dmu_send(snapname, fromname, embedok, largeblockok,
|
||||
compressok, rawok, resumeobj, resumeoff, redactlist_book,
|
||||
fd, &off, &out);
|
||||
compressok, rawok, savedok, resumeobj, resumeoff,
|
||||
redactlist_book, fd, &off, &out);
|
||||
} else {
|
||||
error = dmu_send_estimate_fast(tosnap, fromsnap,
|
||||
(from && strchr(fromname, '#') != NULL ? &zbm : NULL),
|
||||
compressok || rawok, &space);
|
||||
compressok || rawok, savedok, &space);
|
||||
space -= resume_bytes;
|
||||
if (fromsnap != NULL)
|
||||
dsl_dataset_rele(fromsnap, FTAG);
|
||||
|
|
|
|||
|
|
@ -786,7 +786,8 @@ tests = ['rsend_001_pos', 'rsend_002_pos', 'rsend_003_pos', 'rsend_004_pos',
|
|||
'send_encrypted_props', 'send_encrypted_truncated_files',
|
||||
'send_freeobjects', 'send_realloc_files',
|
||||
'send_realloc_encrypted_files', 'send_spill_block', 'send_holds',
|
||||
'send_hole_birth', 'send_mixed_raw', 'send-wDR_encrypted_zvol']
|
||||
'send_hole_birth', 'send_mixed_raw', 'send-wDR_encrypted_zvol',
|
||||
'send_partial_dataset']
|
||||
tags = ['functional', 'rsend']
|
||||
|
||||
[tests/functional/scrub_mirror]
|
||||
|
|
|
|||
|
|
@ -508,6 +508,7 @@ test_send_new(const char *snapshot, int fd)
|
|||
fnvlist_add_string(optional, "fromsnap", from);
|
||||
fnvlist_add_uint64(optional, "resume_object", resumeobj);
|
||||
fnvlist_add_uint64(optional, "resume_offset", offset);
|
||||
fnvlist_add_boolean(optional, "savedok");
|
||||
#endif
|
||||
IOC_INPUT_TEST(ZFS_IOC_SEND_NEW, snapshot, required, optional, 0);
|
||||
|
||||
|
|
|
|||
|
|
@ -73,7 +73,7 @@ log_must eval "get_diff $send_mnt/f3 $recv_mnt/f3 >$tmpdir/get_diff.out"
|
|||
range=$(cat $tmpdir/get_diff.out)
|
||||
[[ "$RANGE10" = "$range" ]] || log_fail "Unexpected range: $range"
|
||||
|
||||
# Test recv -A works properly
|
||||
# Test recv -A works properly and verify saved sends are not allowed
|
||||
log_mustnot zfs recv -A $recvfs
|
||||
log_must zfs destroy -R $recvfs
|
||||
log_mustnot zfs recv -A $recvfs
|
||||
|
|
@ -81,6 +81,7 @@ log_must eval "zfs send --redact book1 $sendfs@snap >$stream"
|
|||
dd if=$stream bs=64k count=1 | log_mustnot zfs receive -s $recvfs
|
||||
[[ "-" = $(get_prop receive_resume_token $recvfs) ]] && \
|
||||
log_fail "Receive token not found."
|
||||
log_mustnot eval "zfs send --saved --redact book1 $recvfs > /dev/null"
|
||||
log_must zfs recv -A $recvfs
|
||||
log_must datasetnonexists $recvfs
|
||||
|
||||
|
|
|
|||
|
|
@ -41,6 +41,7 @@ dist_pkgdata_SCRIPTS = \
|
|||
send-c_zstreamdump.ksh \
|
||||
send-cpL_varied_recsize.ksh \
|
||||
send_freeobjects.ksh \
|
||||
send_partial_dataset.ksh \
|
||||
send_realloc_dnode_size.ksh \
|
||||
send_realloc_files.ksh \
|
||||
send_realloc_encrypted_files.ksh \
|
||||
|
|
|
|||
|
|
@ -563,17 +563,31 @@ function churn_files
|
|||
}
|
||||
|
||||
#
|
||||
# Mess up file contents
|
||||
# Mess up a send file's contents
|
||||
#
|
||||
# $1 The file path
|
||||
# $1 The send file path
|
||||
#
|
||||
function mess_file
|
||||
function mess_send_file
|
||||
{
|
||||
file=$1
|
||||
|
||||
filesize=$(stat_size $file)
|
||||
|
||||
offset=$(($RANDOM * $RANDOM % $filesize))
|
||||
|
||||
# The random offset might truncate the send stream to be
|
||||
# smaller than the DRR_BEGIN record. If this happens, then
|
||||
# the receiving system won't have enough info to create the
|
||||
# partial dataset at all. We use zstreamdump to check for
|
||||
# this and retry in this case.
|
||||
nr_begins=$(head -c $offset $file | zstreamdump | \
|
||||
grep DRR_BEGIN | awk '{ print $5 }')
|
||||
while [ "$nr_begins" -eq 0 ]; do
|
||||
offset=$(($RANDOM * $RANDOM % $filesize))
|
||||
nr_begins=$(head -c $offset $file | zstreamdump | \
|
||||
grep DRR_BEGIN | awk '{ print $5 }')
|
||||
done
|
||||
|
||||
if (($RANDOM % 7 <= 1)); then
|
||||
#
|
||||
# We corrupt 2 bytes to minimize the chance that we
|
||||
|
|
@ -626,7 +640,7 @@ function resume_test
|
|||
log_must eval "$sendcmd >/$streamfs/$stream_num"
|
||||
|
||||
for ((i=0; i<2; i=i+1)); do
|
||||
mess_file /$streamfs/$stream_num
|
||||
mess_send_file /$streamfs/$stream_num
|
||||
log_mustnot zfs recv -suv $recvfs </$streamfs/$stream_num
|
||||
stream_num=$((stream_num+1))
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,110 @@
|
|||
#!/bin/ksh
|
||||
|
||||
#
|
||||
# This file and its contents are supplied under the terms of the
|
||||
# Common Development and Distribution License ("CDDL"), version a.0.
|
||||
# You may only use this file in accordance with the terms of version
|
||||
# a.0 of the CDDL.
|
||||
#
|
||||
# A full copy of the text of the CDDL should have accompanied this
|
||||
# source. A copy of the CDDL is also available via the Internet at
|
||||
# http://www.illumos.org/license/CDDL.
|
||||
#
|
||||
|
||||
#
|
||||
# Copyright (c) 2019 Datto Inc.
|
||||
#
|
||||
|
||||
. $STF_SUITE/include/libtest.shlib
|
||||
. $STF_SUITE/tests/functional/rsend/rsend.kshlib
|
||||
|
||||
#
|
||||
# Description:
|
||||
# Verify that a partially received dataset can be sent with
|
||||
# 'zfs send --saved'.
|
||||
#
|
||||
# Strategy:
|
||||
# 1. Setup a pool with partially received filesystem
|
||||
# 2. Perform saved send without incremental
|
||||
# 3. Perform saved send with incremental
|
||||
# 4. Perform saved send with incremental, resuming from a token
|
||||
# 5. Perform negative tests for invalid command inputs
|
||||
#
|
||||
|
||||
verify_runnable "both"
|
||||
|
||||
log_assert "Verify that a partially received dataset can be sent with " \
|
||||
"'zfs send --saved'."
|
||||
|
||||
function cleanup
|
||||
{
|
||||
destroy_dataset $POOL/testfs2 "-r"
|
||||
destroy_dataset $POOL/stream "-r"
|
||||
destroy_dataset $POOL/recvfs "-r"
|
||||
destroy_dataset $POOL/partialfs "-r"
|
||||
}
|
||||
log_onexit cleanup
|
||||
|
||||
log_must zfs create $POOL/testfs2
|
||||
log_must zfs create $POOL/stream
|
||||
mntpnt=$(get_prop mountpoint $POOL/testfs2)
|
||||
|
||||
# Setup a pool with partially received filesystems
|
||||
log_must mkfile 1m $mntpnt/filea
|
||||
log_must zfs snap $POOL/testfs2@a
|
||||
log_must mkfile 1m $mntpnt/fileb
|
||||
log_must zfs snap $POOL/testfs2@b
|
||||
log_must eval "zfs send $POOL/testfs2@a | zfs recv $POOL/recvfs"
|
||||
log_must eval "zfs send -i $POOL/testfs2@a $POOL/testfs2@b > " \
|
||||
"/$POOL/stream/inc.send"
|
||||
log_must eval "zfs send $POOL/testfs2@b > /$POOL/stream/full.send"
|
||||
mess_send_file /$POOL/stream/full.send
|
||||
mess_send_file /$POOL/stream/inc.send
|
||||
log_mustnot zfs recv -s $POOL/recvfullfs < /$POOL/stream/full.send
|
||||
log_mustnot zfs recv -s $POOL/recvfs < /$POOL/stream/inc.send
|
||||
|
||||
# Perform saved send without incremental
|
||||
log_mustnot eval "zfs send --saved $POOL/recvfullfs | zfs recv -s " \
|
||||
"$POOL/partialfs"
|
||||
token=$(zfs get -Hp -o value receive_resume_token $POOL/partialfs)
|
||||
log_must eval "zfs send -t $token | zfs recv -s $POOL/partialfs"
|
||||
file_check $POOL/recvfullfs $POOL/partialfs
|
||||
log_must zfs destroy -r $POOL/partialfs
|
||||
|
||||
# Perform saved send with incremental
|
||||
log_must eval "zfs send $POOL/recvfs@a | zfs recv $POOL/partialfs"
|
||||
log_mustnot eval "zfs send --saved $POOL/recvfs | " \
|
||||
"zfs recv -s $POOL/partialfs"
|
||||
token=$(zfs get -Hp -o value receive_resume_token $POOL/partialfs)
|
||||
log_must eval "zfs send -t $token | zfs recv -s $POOL/partialfs"
|
||||
file_check $POOL/recvfs $POOL/partialfs
|
||||
log_must zfs destroy -r $POOL/partialfs
|
||||
|
||||
# Perform saved send with incremental, resuming from token
|
||||
log_must eval "zfs send $POOL/recvfs@a | zfs recv $POOL/partialfs"
|
||||
log_must eval "zfs send --saved $POOL/recvfs > " \
|
||||
"/$POOL/stream/partial.send"
|
||||
mess_send_file /$POOL/stream/partial.send
|
||||
log_mustnot zfs recv -s $POOL/partialfs < /$POOL/stream/partial.send
|
||||
token=$(zfs get -Hp -o value receive_resume_token $POOL/partialfs)
|
||||
log_must eval "zfs send -t $token | zfs recv -s $POOL/partialfs"
|
||||
file_check $POOL/recvfs $POOL/partialfs
|
||||
|
||||
# Perform negative tests for invalid command inputs
|
||||
set -A badargs \
|
||||
"" \
|
||||
"$POOL/recvfs@a" \
|
||||
"-i $POOL/recvfs@a $POOL/recvfs@b" \
|
||||
"-R $POOL/recvfs" \
|
||||
"-p $POOL/recvfs" \
|
||||
"-I $POOL/recvfs" \
|
||||
"-D $POOL/recvfs" \
|
||||
"-h $POOL/recvfs"
|
||||
|
||||
while (( i < ${#badargs[*]} ))
|
||||
do
|
||||
log_mustnot eval "zfs send --saved ${badargs[i]} >/dev/null"
|
||||
(( i = i + 1 ))
|
||||
done
|
||||
|
||||
log_pass "A partially received dataset can be sent with 'zfs send --saved'."
|
||||
Loading…
Reference in New Issue