mirror_zfs/lib/libzfs
loli10K 4411de2116 OpenZFS 8940 - Sending an intra-pool resumable send stream may result in EXDEV
Because resuming from a token requires "guid" -> "snapshot" mapping
we have to walk the whole dataset hierarchy to find the right snapshot
to send; when both source and destination exists, for an incremental
resumable stream, libzfs gets confused and picks up the wrong snapshot
to send from: this results in attempting to send
   "destination@snap1 -> source@snap2"
instead of
   "source@snap1 -> source@snap2"
which fails with a "Invalid cross-device link" error (EXDEV).
Fix this by adjusting the logic behind dataset traversal in
zfs_iter_children() to pick the right snapshot to send from.
Additionally update dry-run 'zfs send -t' to print its output to
stderr: this is consistent with other dry-run commands.

Patch Notes:
Reconciled differences between OpenZFS and
aee1dd4d98.

Authored by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Hans Rosenfeld <rosenfeld@grumpf.home-2000.org>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/8940
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/9f7867c206
Closes #7171
2018-02-14 14:35:04 -08:00
..
.gitignore Add a pkgconfig file 2014-08-28 07:59:43 -07:00
libzfs_changelist.c Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
libzfs_config.c OpenZFS 4521 - zfstest is trying to execute evil "zfs unmount -a" 2017-02-03 13:24:44 -08:00
libzfs_core.pc.in Add a pkgconfig file 2014-08-28 07:59:43 -07:00
libzfs_crypto.c Encryption Stability and On-Disk Format Fixes 2018-02-02 11:37:16 -08:00
libzfs_dataset.c Project Quota on ZFS 2018-02-13 14:54:54 -08:00
libzfs_diff.c Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
libzfs_import.c zpool import -d to specify device path 2018-01-26 10:49:46 -08:00
libzfs_iter.c OpenZFS 8940 - Sending an intra-pool resumable send stream may result in EXDEV 2018-02-14 14:35:04 -08:00
libzfs_mount.c Fix some ZFS Test Suite issues 2017-09-25 10:32:34 -07:00
libzfs_pool.c OpenZFS 8652 - Tautological comparisons with ZPROP_INVAL 2018-01-19 09:22:37 -08:00
libzfs_sendrecv.c 'zfs receive' fails with "dataset is busy" 2018-02-12 12:28:59 -08:00
libzfs_status.c Encryption Stability and On-Disk Format Fixes 2018-02-02 11:37:16 -08:00
libzfs_util.c OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
libzfs.pc.in Add a pkgconfig file 2014-08-28 07:59:43 -07:00
Makefile.am Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
THIRDPARTYLICENSE.openssl Encryption patch follow-up 2017-10-11 16:54:48 -04:00
THIRDPARTYLICENSE.openssl.descrip Encryption patch follow-up 2017-10-11 16:54:48 -04:00