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OpenZFS 7500 - Simplify dbuf_free_range by removing dn_unlisted_l0_blkid

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Authored by: Stephen Blinick <stephen.blinick@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Approved by: Gordon Ross <gordon.w.ross@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>

OpenZFS-issue: https://www.illumos.org/issues/7500
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/653af1b
Closes #5639
This commit is contained in:
George Melikov
2017-01-27 02:15:48 +03:00
committed by Brian Behlendorf
parent 39efbde7c5
commit 9c9531cb6f
3 changed files with 5 additions and 43 deletions
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module/zfs/dnode.c
+1 -6
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@@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2015 by Delphix. All rights reserved.
* Copyright (c) 2012, 2016 by Delphix. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
*/
@@ -141,7 +141,6 @@ dnode_cons(void *arg, void *unused, int kmflag)
dn->dn_id_flags = 0;
dn->dn_dbufs_count = 0;
dn->dn_unlisted_l0_blkid = 0;
avl_create(&dn->dn_dbufs, dbuf_compare, sizeof (dmu_buf_impl_t),
offsetof(dmu_buf_impl_t, db_link));
@@ -194,7 +193,6 @@ dnode_dest(void *arg, void *unused)
ASSERT0(dn->dn_id_flags);
ASSERT0(dn->dn_dbufs_count);
ASSERT0(dn->dn_unlisted_l0_blkid);
avl_destroy(&dn->dn_dbufs);
}
@@ -515,7 +513,6 @@ dnode_destroy(dnode_t *dn)
dn->dn_newuid = 0;
dn->dn_newgid = 0;
dn->dn_id_flags = 0;
dn->dn_unlisted_l0_blkid = 0;
dmu_zfetch_fini(&dn->dn_zfetch);
kmem_cache_free(dnode_cache, dn);
@@ -766,7 +763,6 @@ dnode_move_impl(dnode_t *odn, dnode_t *ndn)
ASSERT(avl_is_empty(&ndn->dn_dbufs));
avl_swap(&ndn->dn_dbufs, &odn->dn_dbufs);
ndn->dn_dbufs_count = odn->dn_dbufs_count;
ndn->dn_unlisted_l0_blkid = odn->dn_unlisted_l0_blkid;
ndn->dn_bonus = odn->dn_bonus;
ndn->dn_have_spill = odn->dn_have_spill;
ndn->dn_zio = odn->dn_zio;
@@ -799,7 +795,6 @@ dnode_move_impl(dnode_t *odn, dnode_t *ndn)
avl_create(&odn->dn_dbufs, dbuf_compare, sizeof (dmu_buf_impl_t),
offsetof(dmu_buf_impl_t, db_link));
odn->dn_dbufs_count = 0;
odn->dn_unlisted_l0_blkid = 0;
odn->dn_bonus = NULL;
odn->dn_zfetch.zf_dnode = NULL;