Export symbols for zero-copy

Exported the required symbols to make use of the DMU's zero-copy
API.  This allows external modules to move data in to and out of
the ARC without incurring the cost of a memory copy.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 04b02c7..4adbec0 100644 (file)
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -1884,16 +1884,16 @@ EXPORT_SYMBOL(dmu_bonus_hold);
 EXPORT_SYMBOL(dmu_free_range);
 EXPORT_SYMBOL(dmu_read);
 EXPORT_SYMBOL(dmu_write);
-
-/* Get information on a DMU object. */
 EXPORT_SYMBOL(dmu_object_info);
 EXPORT_SYMBOL(dmu_object_info_from_dnode);
 EXPORT_SYMBOL(dmu_object_info_from_db);
 EXPORT_SYMBOL(dmu_object_size_from_db);
-
 EXPORT_SYMBOL(dmu_object_set_blocksize);
 EXPORT_SYMBOL(dmu_object_set_checksum);
 EXPORT_SYMBOL(dmu_object_set_compress);
-
+EXPORT_SYMBOL(dmu_request_arcbuf);
+EXPORT_SYMBOL(dmu_return_arcbuf);
+EXPORT_SYMBOL(dmu_assign_arcbuf);
+EXPORT_SYMBOL(dmu_buf_hold);
 EXPORT_SYMBOL(dmu_ot);
 #endif