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Use abd_zero_off() where applicable

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In several places abd_zero() cleaned ABD filled at the next line.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #15514
This commit is contained in:
Alexander Motin
2023-11-17 16:28:32 -05:00
committed by GitHub
parent 92dc4ad83d
commit 22c8c33a58
3 changed files with 7 additions and 4 deletions
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module/zfs/mmp.c
+2 -1
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@@ -517,8 +517,9 @@ mmp_write_uberblock(spa_t *spa)
zio_t *zio = zio_null(mmp->mmp_zio_root, spa, NULL, NULL, NULL, flags);
abd_t *ub_abd = abd_alloc_for_io(VDEV_UBERBLOCK_SIZE(vd), B_TRUE);
abd_zero(ub_abd, VDEV_UBERBLOCK_SIZE(vd));
abd_copy_from_buf(ub_abd, ub, sizeof (uberblock_t));
abd_zero_off(ub_abd, sizeof (uberblock_t),
VDEV_UBERBLOCK_SIZE(vd) - sizeof (uberblock_t));
mmp->mmp_seq++;
mmp->mmp_kstat_id++;