Merge back recent changes from xfs kernel headers.

[thirdparty/xfsprogs-dev.git] / include / xfs_rtalloc.h

diff --git a/include/xfs_rtalloc.h b/include/xfs_rtalloc.h
index be2b88a34d4b6826aca99a49f5ccca3dd2ab7860..0e0b4d2ec2028597acac80927f01a4f21c804837 100644 (file)
--- a/include/xfs_rtalloc.h
+++ b/include/xfs_rtalloc.h
@@ -1,33 +1,19 @@
 /*
- * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
- * 
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * 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.
- * 
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * 
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- * 
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- * 
- * http://www.sgi.com 
- * 
- * For further information regarding this notice, see: 
- * 
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 #ifndef __XFS_RTALLOC_H__
 #define        __XFS_RTALLOC_H__
@@ -35,6 +21,8 @@
 struct xfs_mount;
 struct xfs_trans;
 
+#define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
+
 /* Min and max rt extent sizes, specified in bytes */
 #define        XFS_MAX_RTEXTSIZE       (1024 * 1024 * 1024)    /* 1GB */
 #define        XFS_DFL_RTEXTSIZE       (64 * 1024)             /* 64KB */
@@ -75,12 +63,16 @@ struct xfs_trans;
 #define        XFS_RTLOBIT(w)  xfs_lowbit32(w)
 #define        XFS_RTHIBIT(w)  xfs_highbit32(w)
 
-#if XFS_BIG_FILESYSTEMS
+#if XFS_BIG_BLKNOS
 #define        XFS_RTBLOCKLOG(b)       xfs_highbit64(b)
 #else
 #define        XFS_RTBLOCKLOG(b)       xfs_highbit32(b)
 #endif
 
+
+#ifdef __KERNEL__
+
+#ifdef CONFIG_XFS_RT
 /*
  * Function prototypes for exported functions.
  */
@@ -120,7 +112,7 @@ xfs_rtmount_init(
        struct xfs_mount        *mp);   /* file system mount structure */
 
 /*
- * Get the bitmap and summary inodes into the mount structure 
+ * Get the bitmap and summary inodes into the mount structure
  * at mount time.
  */
 int                                    /* error */
@@ -141,7 +133,6 @@ xfs_rtpick_extent(
        xfs_extlen_t            len,    /* allocation length (rtextents) */
        xfs_rtblock_t           *pick); /* result rt extent */
 
-#ifdef XFSDEBUG
 /*
  * Debug code: print out the value of a range in the bitmap.
  */
@@ -159,6 +150,24 @@ void
 xfs_rtprint_summary(
        struct xfs_mount        *mp,    /* file system mount structure */
        struct xfs_trans        *tp);   /* transaction pointer */
-#endif /* XFSDEBUG */
+
+/*
+ * Grow the realtime area of the filesystem.
+ */
+int
+xfs_growfs_rt(
+       struct xfs_mount        *mp,    /* file system mount structure */
+       xfs_growfs_rt_t         *in);   /* user supplied growfs struct */
+
+#else
+# define xfs_rtallocate_extent(t,b,min,max,l,a,f,p,rb)  (ENOSYS)
+# define xfs_rtfree_extent(t,b,l)                       (ENOSYS)
+# define xfs_rtpick_extent(m,t,l,rb)                    (ENOSYS)
+# define xfs_growfs_rt(mp,in)                           (ENOSYS)
+# define xfs_rtmount_init(m)    (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS))
+# define xfs_rtmount_inodes(m)  (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS))
+#endif /* CONFIG_XFS_RT */
+
+#endif /* __KERNEL__ */
 
 #endif /* __XFS_RTALLOC_H__ */