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Illumos 5610 - zfs clone from different source and target pools produces coredump 

5610 zfs clone from different source and target pools produces coredump
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://github.com/illumos/illumos-gate/commit/03b1c29
  https://www.illumos.org/issues/5610
  https://www.illumos.org/issues/5824
  https://github.com/zfsonlinux/zfs/issues/2911
  https://github.com/zfsonlinux/zfs/commit/9063f65

Ported-by: kernelOfTruth kerneloftruth@gmail.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3584
This commit is contained in:
Alexander Eremin 2015-07-11 01:45:01 +02:00 committed by Brian Behlendorf
parent eaa52d32b0
commit 1cddb8c9ff
1 changed files with 2 additions and 11 deletions
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13
module/zfs/dmu_objset.c
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@ -24,6 +24,7 @@
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
* Copyright (c) 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2015, STRATO AG, Inc. All rights reserved.
*/
@ -949,11 +950,7 @@ dmu_objset_clone_check(void *arg, dmu_tx_t *tx)
dsl_dir_rele(pdd, FTAG);
return (SET_ERROR(EEXIST));
}
/* You can't clone across pools. */
if (pdd->dd_pool != dp) {
dsl_dir_rele(pdd, FTAG);
return (SET_ERROR(EXDEV));
}
error = dsl_fs_ss_limit_check(pdd, 1, ZFS_PROP_FILESYSTEM_LIMIT, NULL,
doca->doca_cred);
if (error != 0) {
@ -966,12 +963,6 @@ dmu_objset_clone_check(void *arg, dmu_tx_t *tx)
if (error != 0)
return (error);
/* You can't clone across pools. */
if (origin->ds_dir->dd_pool != dp) {
dsl_dataset_rele(origin, FTAG);
return (SET_ERROR(EXDEV));
}
/* You can only clone snapshots, not the head datasets. */
if (!origin->ds_is_snapshot) {
dsl_dataset_rele(origin, FTAG);