add preliminary async dmu support

Signed-off-by: Matt Macy <[email protected]>
openzfs · May 18, 2020 · b1dcf7f · b1dcf7f
1 parent b29e31d
commit b1dcf7f
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Showing 41 changed files with 2,411 additions and 783 deletions.
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
@@ -311,7 +311,7 @@ dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
 	size_t nvsize = *(uint64_t *)data;
 	char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
 
-	VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
+	VERIFY0(dmu_read(os, object, 0, nvsize, packed, DMU_CTX_FLAG_PREFETCH));
 
 	VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
 
@@ -923,7 +923,7 @@ dump_spacemap(objset_t *os, space_map_t *sm)
 	    offset += sizeof (word)) {
 
 		VERIFY0(dmu_read(os, space_map_object(sm), offset,
-		    sizeof (word), &word, DMU_READ_PREFETCH));
+		    sizeof (word), &word, DMU_CTX_FLAG_PREFETCH));
 
 		if (sm_entry_is_debug(word)) {
 			(void) printf("\t    [%6llu] %s: txg %llu pass %llu\n",
@@ -954,7 +954,7 @@ dump_spacemap(objset_t *os, space_map_t *sm)
 			offset += sizeof (extra_word);
 			VERIFY0(dmu_read(os, space_map_object(sm), offset,
 			    sizeof (extra_word), &extra_word,
-			    DMU_READ_PREFETCH));
+			    DMU_CTX_FLAG_PREFETCH));
 
 			ASSERT3U(offset, <=, space_map_length(sm));