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Illumos #3464

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3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
  https://www.illumos.org/issues/3464
  illumos/illumos-gate@3b2aab1880

Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1495
This commit is contained in:
Matthew Ahrens
2013-09-04 07:00:57 -05:00
committed by Brian Behlendorf
parent 6f1ffb0665
commit 13fe019870
86 changed files with 6425 additions and 6043 deletions
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module/zfs/bplist.c
+8
View File
@@ -20,6 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012 by Delphix. All rights reserved.
*/
#include <sys/bplist.h>
@@ -52,6 +53,12 @@ bplist_append(bplist_t *bpl, const blkptr_t *bp)
mutex_exit(&bpl->bpl_lock);
}
/*
* To aid debugging, we keep the most recently removed entry. This way if
* we are in the callback, we can easily locate the entry.
*/
static bplist_entry_t *bplist_iterate_last_removed;
void
bplist_iterate(bplist_t *bpl, bplist_itor_t *func, void *arg, dmu_tx_t *tx)
{
@@ -59,6 +66,7 @@ bplist_iterate(bplist_t *bpl, bplist_itor_t *func, void *arg, dmu_tx_t *tx)
mutex_enter(&bpl->bpl_lock);
while ((bpe = list_head(&bpl->bpl_list))) {
bplist_iterate_last_removed = bpe;
list_remove(&bpl->bpl_list, bpe);
mutex_exit(&bpl->bpl_lock);
func(arg, &bpe->bpe_blk, tx);