diff options
-rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c | 10 | ||||
-rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h | 5 |
2 files changed, 14 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c index 00f52d6..d07319d 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c @@ -25,6 +25,7 @@ * Copyright (c) 2014, Joyent, Inc. All rights reserved. * Copyright (c) 2012, Martin Matuska <mm@FreeBSD.org>. All rights reserved. * Copyright 2014 HybridCluster. All rights reserved. + * Copyright 2016 RackTop Systems. */ #include <sys/dmu.h> @@ -64,6 +65,12 @@ int zfs_send_corrupt_data = B_FALSE; int zfs_send_queue_length = 16 * 1024 * 1024; int zfs_recv_queue_length = 16 * 1024 * 1024; +/* Set this tunable to FALSE to disable setting of DRR_FLAG_FREERECORDS */ +int zfs_send_set_freerecords_bit = B_TRUE; + +#ifdef _KERNEL +TUNABLE_INT("vfs.zfs.send_set_freerecords_bit", &zfs_send_set_freerecords_bit); +#endif static char *dmu_recv_tag = "dmu_recv_tag"; const char *recv_clone_name = "%recv"; @@ -771,7 +778,8 @@ dmu_send_impl(void *tag, dsl_pool_t *dp, dsl_dataset_t *to_ds, drr->drr_u.drr_begin.drr_toguid = dsl_dataset_phys(to_ds)->ds_guid; if (dsl_dataset_phys(to_ds)->ds_flags & DS_FLAG_CI_DATASET) drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_CI_DATA; - drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_FREERECORDS; + if (zfs_send_set_freerecords_bit) + drr->drr_u.drr_begin.drr_flags |= DRR_FLAG_FREERECORDS; if (ancestor_zb != NULL) { drr->drr_u.drr_begin.drr_fromguid = diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h index a0612d3..be63834 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h @@ -21,6 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012, 2015 by Delphix. All rights reserved. + * Copyright 2016 RackTop Systems. */ #ifndef _SYS_ZFS_IOCTL_H @@ -124,6 +125,10 @@ typedef enum dmu_send_resume_token_version { #define DMU_BACKUP_MAGIC 0x2F5bacbacULL +/* + * Send stream flags. Bits 24-31 are reserved for vendor-specific + * implementations and should not be used. + */ #define DRR_FLAG_CLONE (1<<0) #define DRR_FLAG_CI_DATA (1<<1) /* |