Fix using zvol as slog device

[zfs.git] / include / sys / zio.h

diff --git a/include/sys/zio.h b/include/sys/zio.h
index a469181..289238c 100644 (file)
--- a/include/sys/zio.h
+++ b/include/sys/zio.h
@@ -22,6 +22,9 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
+/*
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ */
 
 #ifndef _ZIO_H
 #define        _ZIO_H
@@ -190,7 +193,8 @@ enum zio_flag {
        ZIO_FLAG_RAW            = 1 << 21,
        ZIO_FLAG_GANG_CHILD     = 1 << 22,
        ZIO_FLAG_DDT_CHILD      = 1 << 23,
-       ZIO_FLAG_GODFATHER      = 1 << 24
+       ZIO_FLAG_GODFATHER      = 1 << 24,
+       ZIO_FLAG_FASTWRITE      = 1 << 25
 };
 
 #define        ZIO_FLAG_MUSTSUCCEED            0
@@ -423,6 +427,9 @@ struct zio {
        /* FMA state */
        zio_cksum_report_t *io_cksum_report;
        uint64_t        io_ena;
+
+       /* Taskq dispatching state */
+       taskq_ent_t     io_tqent;
 };
 
 extern zio_t *zio_null(zio_t *pio, spa_t *spa, vdev_t *vd,
@@ -469,7 +476,7 @@ extern zio_t *zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg,
     const blkptr_t *bp, enum zio_flag flags);
 
 extern int zio_alloc_zil(spa_t *spa, uint64_t txg, blkptr_t *new_bp,
-    blkptr_t *old_bp, uint64_t size, boolean_t use_slog);
+    uint64_t size, boolean_t use_slog);
 extern void zio_free_zil(spa_t *spa, uint64_t txg, blkptr_t *bp);
 extern void zio_flush(zio_t *zio, vdev_t *vd);
 extern void zio_shrink(zio_t *zio, uint64_t size);
@@ -488,6 +495,8 @@ extern void *zio_buf_alloc(size_t size);
 extern void zio_buf_free(void *buf, size_t size);
 extern void *zio_data_buf_alloc(size_t size);
 extern void zio_data_buf_free(void *buf, size_t size);
+extern void *zio_vdev_alloc(void);
+extern void zio_vdev_free(void *buf);
 
 extern void zio_resubmit_stage_async(void *);