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-rw-r--r--usr/src/uts/common/fs/zfs/zfs_ioctl.c2
-rw-r--r--usr/src/uts/common/fs/zfs/zio_checksum.c6
2 files changed, 7 insertions, 1 deletions
diff --git a/usr/src/uts/common/fs/zfs/zfs_ioctl.c b/usr/src/uts/common/fs/zfs/zfs_ioctl.c
index 43cedca8f3..ae66e4261f 100644
--- a/usr/src/uts/common/fs/zfs/zfs_ioctl.c
+++ b/usr/src/uts/common/fs/zfs/zfs_ioctl.c
@@ -3886,7 +3886,7 @@ zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr)
return (SET_ERROR(EINVAL));
/* check prop value is enabled in features */
- feature = zio_checksum_to_feature(intval);
+ feature = zio_checksum_to_feature(intval & ZIO_CHECKSUM_MASK);
if (feature == SPA_FEATURE_NONE)
break;
diff --git a/usr/src/uts/common/fs/zfs/zio_checksum.c b/usr/src/uts/common/fs/zfs/zio_checksum.c
index 4bef6a3e11..8bd7e02bef 100644
--- a/usr/src/uts/common/fs/zfs/zio_checksum.c
+++ b/usr/src/uts/common/fs/zfs/zio_checksum.c
@@ -136,9 +136,15 @@ zio_checksum_info_t zio_checksum_table[ZIO_CHECKSUM_FUNCTIONS] = {
ZCHECKSUM_FLAG_NOPWRITE, "edonr"},
};
+/*
+ * The flag corresponding to the "verify" in dedup=[checksum,]verify
+ * must be cleared first, so callers should use ZIO_CHECKSUM_MASK.
+ */
spa_feature_t
zio_checksum_to_feature(enum zio_checksum cksum)
{
+ VERIFY((cksum & ~ZIO_CHECKSUM_MASK) == 0);
+
switch (cksum) {
case ZIO_CHECKSUM_SHA512:
return (SPA_FEATURE_SHA512);