Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / zfs / zil.h

diff --git a/qemu/roms/u-boot/include/zfs/zil.h b/qemu/roms/u-boot/include/zfs/zil.h
new file mode 100644 (file)
index 0000000..7391c46
--- /dev/null
+++ b/qemu/roms/u-boot/include/zfs/zil.h
@@ -0,0 +1,45 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2003,2004  Free Software Foundation, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef        _SYS_ZIL_H
+#define        _SYS_ZIL_H
+
+/*
+ * Intent log format:
+ *
+ * Each objset has its own intent log.  The log header (zil_header_t)
+ * for objset N's intent log is kept in the Nth object of the SPA's
+ * intent_log objset.  The log header points to a chain of log blocks,
+ * each of which contains log records (i.e., transactions) followed by
+ * a log block trailer (zil_trailer_t).  The format of a log record
+ * depends on the record (or transaction) type, but all records begin
+ * with a common structure that defines the type, length, and txg.
+ */
+
+/*
+ * Intent log header - this on disk structure holds fields to manage
+ * the log.  All fields are 64 bit to easily handle cross architectures.
+ */
+typedef struct zil_header {
+       uint64_t zh_claim_txg;   /* txg in which log blocks were claimed */
+       uint64_t zh_replay_seq;  /* highest replayed sequence number */
+       blkptr_t zh_log;        /* log chain */
+       uint64_t zh_claim_seq;  /* highest claimed sequence number */
+       uint64_t zh_flags;      /* header flags */
+       uint64_t zh_pad[4];
+} zil_header_t;
+
+/*
+ * zh_flags bit settings
+ */
+#define        ZIL_REPLAY_NEEDED 0x1   /* replay needed - internal only */
+
+#endif /* _SYS_ZIL_H */