Illumos #3137 L2ARC compression

[zfs.git] / module / zfs / dbuf.c

diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index 46f42dd..faa6cc3 100644 (file)
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -22,6 +22,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
 #include <sys/zfs_context.h>
@@ -614,6 +615,8 @@ dbuf_read_impl(dmu_buf_impl_t *db, zio_t *zio, uint32_t *flags)
 
        if (DBUF_IS_L2CACHEABLE(db))
                aflags |= ARC_L2CACHE;
+       if (DBUF_IS_L2COMPRESSIBLE(db))
+               aflags |= ARC_L2COMPRESS;
 
        SET_BOOKMARK(&zb, db->db_objset->os_dsl_dataset ?
            db->db_objset->os_dsl_dataset->ds_object : DMU_META_OBJSET,
@@ -2822,9 +2825,10 @@ dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx)
        } else {
                ASSERT(arc_released(data));
                dr->dr_zio = arc_write(zio, os->os_spa, txg,
-                   db->db_blkptr, data, DBUF_IS_L2CACHEABLE(db), &zp,
-                   dbuf_write_ready, dbuf_write_done, db,
-                   ZIO_PRIORITY_ASYNC_WRITE, ZIO_FLAG_MUSTSUCCEED, &zb);
+                   db->db_blkptr, data, DBUF_IS_L2CACHEABLE(db),
+                   DBUF_IS_L2COMPRESSIBLE(db), &zp, dbuf_write_ready,
+                   dbuf_write_done, db, ZIO_PRIORITY_ASYNC_WRITE,
+                   ZIO_FLAG_MUSTSUCCEED, &zb);
        }
 }