/*
- * Copyright (c) 2000-2001 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__
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 */
#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.
*/
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 */
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.
*/
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__ */