diff options
Diffstat (limited to 'module/zfs/zfs_ioctl.c')
| -rw-r--r-- | module/zfs/zfs_ioctl.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c index 64f630108..9140c62a6 100644 --- a/module/zfs/zfs_ioctl.c +++ b/module/zfs/zfs_ioctl.c @@ -185,6 +185,7 @@ #include <sys/dsl_bookmark.h> #include <sys/dsl_userhold.h> #include <sys/zfeature.h> +#include <sys/zio_checksum.h> #include <linux/miscdevice.h> #include <linux/slab.h> @@ -3809,11 +3810,6 @@ zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr) return (SET_ERROR(ENOTSUP)); break; - case ZFS_PROP_DEDUP: - if (zfs_earlier_version(dsname, SPA_VERSION_DEDUP)) - return (SET_ERROR(ENOTSUP)); - break; - case ZFS_PROP_VOLBLOCKSIZE: case ZFS_PROP_RECORDSIZE: /* Record sizes above 128k need the feature to be enabled */ @@ -3893,6 +3889,47 @@ zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr) return (SET_ERROR(ENOTSUP)); } break; + case ZFS_PROP_CHECKSUM: + case ZFS_PROP_DEDUP: + { + spa_feature_t feature; + spa_t *spa; + uint64_t intval; + int err; + + /* dedup feature version checks */ + if (prop == ZFS_PROP_DEDUP && + zfs_earlier_version(dsname, SPA_VERSION_DEDUP)) + return (SET_ERROR(ENOTSUP)); + + if (nvpair_value_uint64(pair, &intval) != 0) + return (SET_ERROR(EINVAL)); + + /* check prop value is enabled in features */ + feature = zio_checksum_to_feature(intval); + if (feature == SPA_FEATURE_NONE) + break; + + if ((err = spa_open(dsname, &spa, FTAG)) != 0) + return (err); + /* + * Salted checksums are not supported on root pools. + */ + if (spa_bootfs(spa) != 0 && + intval < ZIO_CHECKSUM_FUNCTIONS && + (zio_checksum_table[intval].ci_flags & + ZCHECKSUM_FLAG_SALTED)) { + spa_close(spa, FTAG); + return (SET_ERROR(ERANGE)); + } + if (!spa_feature_is_enabled(spa, feature)) { + spa_close(spa, FTAG); + return (SET_ERROR(ENOTSUP)); + } + spa_close(spa, FTAG); + break; + } + default: break; } |