X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Fzio.h;h=052797928d0084cdcc24e61db687deb570451861;hb=1eb5bfa3dcdaecb19543d9df13131374a7a42947;hp=a469181745b9dbd7cc21b9c36d710a7179778a6d;hpb=a69052be7f9a4008e2b09578e9db5fdebc186111;p=zfs.git

diff --git a/include/sys/zio.h b/include/sys/zio.h
index a469181..0527979 100644
--- a/include/sys/zio.h
+++ b/include/sys/zio.h
@@ -22,6 +22,10 @@
 /*
  * 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.
+ */
 
 #ifndef _ZIO_H
 #define	_ZIO_H
@@ -190,7 +194,8 @@ 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
@@ -274,6 +279,14 @@ typedef struct zbookmark {
 #define	ZB_ZIL_OBJECT		(0ULL)
 #define	ZB_ZIL_LEVEL		(-2LL)
 
+#define	ZB_IS_ZERO(zb)						\
+	((zb)->zb_objset == 0 && (zb)->zb_object == 0 &&	\
+	(zb)->zb_level == 0 && (zb)->zb_blkid == 0)
+#define	ZB_IS_ROOT(zb)				\
+	((zb)->zb_object == ZB_ROOT_OBJECT &&	\
+	(zb)->zb_level == ZB_ROOT_LEVEL &&	\
+	(zb)->zb_blkid == ZB_ROOT_BLKID)
+
 typedef struct zio_prop {
 	enum zio_checksum	zp_checksum;
 	enum zio_compress	zp_compress;
@@ -291,6 +304,7 @@ typedef void zio_cksum_finish_f(zio_cksum_report_t *rep,
 typedef void zio_cksum_free_f(void *cbdata, size_t size);
 
 struct zio_bad_cksum;				/* defined in zio_checksum.h */
+struct dnode_phys;
 
 struct zio_cksum_report {
 	struct zio_cksum_report *zcr_next;
@@ -423,6 +437,9 @@ 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 +486,7 @@ 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 +505,8 @@ 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 *);
 
@@ -558,6 +577,10 @@ extern void zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd,
 /* Called from spa_sync(), but primarily an injection handler */
 extern void spa_handle_ignored_writes(spa_t *spa);
 
+/* zbookmark functions */
+boolean_t zbookmark_is_before(const struct dnode_phys *dnp,
+    const zbookmark_t *zb1, const zbookmark_t *zb2);
+
 #ifdef	__cplusplus
 }
 #endif