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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/bplist.c
+2 -6
View File
@@ -65,9 +65,8 @@ bplist_iterate(bplist_t *bpl, bplist_itor_t *func, void *arg, dmu_tx_t *tx)
bplist_entry_t *bpe;
mutex_enter(&bpl->bpl_lock);
while ((bpe = list_head(&bpl->bpl_list))) {
while ((bpe = list_remove_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);
kmem_free(bpe, sizeof (*bpe));
@@ -82,10 +81,7 @@ bplist_clear(bplist_t *bpl)
bplist_entry_t *bpe;
mutex_enter(&bpl->bpl_lock);
while ((bpe = list_head(&bpl->bpl_list))) {
bplist_iterate_last_removed = bpe;
list_remove(&bpl->bpl_list, bpe);
while ((bpe = list_remove_head(&bpl->bpl_list)))
kmem_free(bpe, sizeof (*bpe));
}
mutex_exit(&bpl->bpl_lock);
}