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Use list_remove_head() where possible.

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... instead of list_head() + list_remove().  On FreeBSD the list
functions are not inlined, so in addition to more compact code
this also saves another function call.

Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #14955
This commit is contained in:
Alexander Motin
2023-06-09 13:12:52 -04:00
committed by GitHub
parent 55b1842f92
commit b3ad3f48d9
20 changed files with 34 additions and 76 deletions
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module/zfs/dsl_dataset.c
+1 -2
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@@ -3782,8 +3782,7 @@ snaplist_destroy(list_t *l, const void *tag)
if (l == NULL || !list_link_active(&l->list_head))
return;
while ((snap = list_tail(l)) != NULL) {
list_remove(l, snap);
while ((snap = list_remove_tail(l)) != NULL) {
dsl_dataset_rele(snap->ds, tag);
kmem_free(snap, sizeof (*snap));
}