X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=md_p.h;h=a9f0204c754a4ab9ac12d02ff5e182910b45cca1;hb=60f8cb9b02af3c55708c44b40425f57282c8937c;hp=99479b43b19832c33c154ddc36408e0dbc98ce3a;hpb=52826846282e9e224e05dde6d2e4cb38d1fefec7;p=thirdparty%2Fmdadm.git

diff --git a/md_p.h b/md_p.h
index 99479b43..a9f0204c 100644
--- a/md_p.h
+++ b/md_p.h
@@ -1,15 +1,15 @@
 /*
    md_p.h : physical layout of Linux RAID devices
           Copyright (C) 1996-98 Ingo Molnar, Gadi Oxman
-	  
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2, or (at your option)
    any later version.
-   
+
    You should have received a copy of the GNU General Public License
    (for example /usr/src/linux/COPYING); if not, write to the Free
-   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
+   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
 #ifndef _MD_P_H
@@ -79,6 +79,11 @@
 #define MD_DISK_SYNC		2 /* disk is in sync with the raid set */
 #define MD_DISK_REMOVED		3 /* disk is in sync with the raid set */
 
+#define	MD_DISK_WRITEMOSTLY	9 /* disk is "write-mostly" is RAID1 config.
+				   * read requests will only be sent here in
+				   * dire need
+				   */
+
 typedef struct mdp_device_descriptor_s {
 	__u32 number;		/* 0 Device number in the entire set	      */
 	__u32 major;		/* 1 Device major number		      */
@@ -96,6 +101,8 @@ typedef struct mdp_device_descriptor_s {
 #define MD_SB_CLEAN		0
 #define MD_SB_ERRORS		1
 
+#define	MD_SB_BITMAP_PRESENT	8 /* bitmap may be present nearby */
+
 typedef struct mdp_superblock_s {
 	/*
 	 * Constant generic information
@@ -131,11 +138,22 @@ typedef struct mdp_superblock_s {
 #if  __BYTE_ORDER ==  __BIG_ENDIAN
 	__u32 events_hi;	/*  7 high-order of superblock update count   */
 	__u32 events_lo;	/*  8 low-order of superblock update count    */
+	__u32 cp_events_hi;	/*  9 high-order of checkpoint update count   */
+	__u32 cp_events_lo;	/* 10 low-order of checkpoint update count    */
 #else
 	__u32 events_lo;	/*  7 low-order of superblock update count    */
 	__u32 events_hi;	/*  8 high-order of superblock update count   */
+	__u32 cp_events_lo;	/*  9 low-order of checkpoint update count    */
+	__u32 cp_events_hi;	/* 10 high-order of checkpoint update count   */
 #endif
-	__u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 9];
+	__u32 recovery_cp;	/* 11 recovery checkpoint sector count	      */
+	/* There are only valid for minor_version > 90 */
+	__u64 reshape_position;	/* 12,13 next address in array-space for reshape */
+	__u32 new_level;	/* 14 new level we are reshaping to	      */
+	__u32 delta_disks;	/* 15 change in number of raid_disks	      */
+	__u32 new_layout;	/* 16 new layout			      */
+	__u32 new_chunk;	/* 17 new chunk size (bytes)		      */
+	__u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18];
 
 	/*
 	 * Personality information
@@ -163,10 +181,14 @@ typedef struct mdp_superblock_s {
 
 } mdp_super_t;
 
+#ifdef __TINYC__
+typedef unsigned long long __u64;
+#endif
+
 static inline __u64 md_event(mdp_super_t *sb) {
 	__u64 ev = sb->events_hi;
 	return (ev<<32)| sb->events_lo;
 }
 
-#endif 
+#endif