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Switch allocations from KM_SLEEP to KM_PUSHPAGE

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A couple of kmem_alloc() allocations were using KM_SLEEP in
the sync thread context.  These were accidentally introduced
by the recent set of Illumos patches.  The solution is to
switch to KM_PUSHPAGE.

dsl_dataset_promote_sync() -> promote_hold() -> snaplist_make() ->
kmem_alloc(sizeof (*snap), KM_SLEEP);

dsl_dataset_user_hold_sync() -> dsl_onexit_hold_cleanup() ->
kmem_alloc(sizeof (*ca), KM_SLEEP)

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775
This commit is contained in:
Brian Behlendorf
2013-11-05 10:32:39 -08:00
parent 1ca546b338
commit 2517c8ee08
2 changed files with 2 additions and 2 deletions
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module/zfs/dsl_userhold.c
+1 -1
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@@ -225,7 +225,7 @@ dsl_onexit_hold_cleanup(spa_t *spa, nvlist_t *holds, minor_t minor)
}
ASSERT(spa != NULL);
ca = kmem_alloc(sizeof (*ca), KM_SLEEP);
ca = kmem_alloc(sizeof (*ca), KM_PUSHPAGE);
(void) strlcpy(ca->zhca_spaname, spa_name(spa),
sizeof (ca->zhca_spaname));