OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R

[mirror_zfs.git] / module / zfs / dsl_dataset.c

diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
index 3026d873355bd2561e185afd1dac2a22a6be3a20..9362d49bd26e78085568bf1c79206a8a11babf7f 100644 (file)
--- a/module/zfs/dsl_dataset.c
+++ b/module/zfs/dsl_dataset.c
@@ -56,6 +56,7 @@
 #include <sys/dmu_send.h>
 #include <sys/zio_compress.h>
 #include <zfs_fletcher.h>
+#include <sys/zio_checksum.h>
 
 /*
  * The SPA supports block sizes up to 16MB.  However, very large blocks
@@ -108,6 +109,7 @@ dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx)
 {
        int used, compressed, uncompressed;
        int64_t delta;
+       spa_feature_t f;
 
        used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
        compressed = BP_GET_PSIZE(bp);
@@ -134,10 +136,16 @@ dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx)
        dsl_dataset_phys(ds)->ds_compressed_bytes += compressed;
        dsl_dataset_phys(ds)->ds_uncompressed_bytes += uncompressed;
        dsl_dataset_phys(ds)->ds_unique_bytes += used;
+
        if (BP_GET_LSIZE(bp) > SPA_OLD_MAXBLOCKSIZE) {
                ds->ds_feature_activation_needed[SPA_FEATURE_LARGE_BLOCKS] =
                    B_TRUE;
        }
+
+       f = zio_checksum_to_feature(BP_GET_CHECKSUM(bp));
+       if (f != SPA_FEATURE_NONE)
+               ds->ds_feature_activation_needed[f] = B_TRUE;
+
        mutex_exit(&ds->ds_lock);
        dsl_dir_diduse_space(ds->ds_dir, DD_USED_HEAD, delta,
            compressed, uncompressed, tx);