/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 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
+ * 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.
+ * 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.
*
- * 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/
+ * 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_SB_H__
#define __XFS_SB_H__
XFS_SB_VERSION_LOGV2BIT | \
XFS_SB_VERSION_SECTORBIT | \
XFS_SB_VERSION_MOREBITSBIT)
-#define XFS_SB_VERSION_OKSASHBITS \
- (XFS_SB_VERSION_NUMBITS | \
- XFS_SB_VERSION_REALFBITS | \
- XFS_SB_VERSION_OKSASHFBITS)
#define XFS_SB_VERSION_OKREALBITS \
(XFS_SB_VERSION_NUMBITS | \
XFS_SB_VERSION_OKREALFBITS | \
XFS_SB_VERSION_OKSASHFBITS)
-#define XFS_SB_VERSION_MKFS(ia,dia,extflag,dirv2,na,sflag,morebits) \
- (((ia) || (dia) || (extflag) || (dirv2) || (na) || (sflag) || \
- (morebits)) ? \
- (XFS_SB_VERSION_4 | \
- ((ia) ? XFS_SB_VERSION_ALIGNBIT : 0) | \
- ((dia) ? XFS_SB_VERSION_DALIGNBIT : 0) | \
- ((extflag) ? XFS_SB_VERSION_EXTFLGBIT : 0) | \
- ((dirv2) ? XFS_SB_VERSION_DIRV2BIT : 0) | \
- ((na) ? XFS_SB_VERSION_LOGV2BIT : 0) | \
- ((sflag) ? XFS_SB_VERSION_SECTORBIT : 0) | \
- ((morebits) ? XFS_SB_VERSION_MOREBITSBIT : 0)) : \
- XFS_SB_VERSION_1)
/*
* There are two words to hold XFS "feature" bits: the original
*/
#define XFS_SB_VERSION2_REALFBITS 0x00ffffff /* Mask: features */
#define XFS_SB_VERSION2_RESERVED1BIT 0x00000001
-#define XFS_SB_VERSION2_RESERVED2BIT 0x00000002
+#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002 /* Superblk counters */
#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004
#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */
-#define XFS_SB_VERSION2_SASHFBITS 0xff000000 /* Mask: features that
- require changing
- PROM and SASH */
#define XFS_SB_VERSION2_OKREALFBITS \
- (XFS_SB_VERSION2_ATTR2BIT)
+ (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
+ XFS_SB_VERSION2_ATTR2BIT)
#define XFS_SB_VERSION2_OKSASHFBITS \
(0)
#define XFS_SB_VERSION2_OKREALBITS \
(XFS_SB_VERSION2_OKREALFBITS | \
XFS_SB_VERSION2_OKSASHFBITS )
-/*
- * mkfs macro to set up sb_features2 word
- */
-#define XFS_SB_VERSION2_MKFS(resvd1, sbcntr) 0
-
typedef struct xfs_sb
{
__uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */
#define XFS_SB_SHARED_VN XFS_SB_MVAL(SHARED_VN)
#define XFS_SB_UNIT XFS_SB_MVAL(UNIT)
#define XFS_SB_WIDTH XFS_SB_MVAL(WIDTH)
+#define XFS_SB_ICOUNT XFS_SB_MVAL(ICOUNT)
+#define XFS_SB_IFREE XFS_SB_MVAL(IFREE)
+#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
#define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT)
#define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1)
(XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
- XFS_SB_FEATURES2)
+ XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2)
/*
}
#endif /* __KERNEL__ */
-#define XFS_SB_GOOD_SASH_VERSION(sbp) \
- ((((sbp)->sb_versionnum >= XFS_SB_VERSION_1) && \
- ((sbp)->sb_versionnum <= XFS_SB_VERSION_3)) || \
- ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
- !((sbp)->sb_versionnum & ~XFS_SB_VERSION_OKSASHBITS)))
-
#define XFS_SB_VERSION_TONEW(v) xfs_sb_version_tonew(v)
static inline unsigned xfs_sb_version_tonew(unsigned v)
{
* ((sbp)->sb_features2 & XFS_SB_VERSION2_FUNBIT)
*/
+static inline int xfs_sb_version_haslazysbcount(xfs_sb_t *sbp)
+{
+ return (XFS_SB_VERSION_HASMOREBITS(sbp) && \
+ ((sbp)->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT));
+}
+
#define XFS_SB_VERSION_HASATTR2(sbp) xfs_sb_version_hasattr2(sbp)
static inline int xfs_sb_version_hasattr2(xfs_sb_t *sbp)
{
* File system sector to basic block conversions.
*/
#define XFS_FSS_TO_BB(mp,sec) ((sec) << (mp)->m_sectbb_log)
-#define XFS_BB_TO_FSS(mp,bb) \
- (((bb) + (XFS_FSS_TO_BB(mp,1) - 1)) >> (mp)->m_sectbb_log)
-#define XFS_BB_TO_FSST(mp,bb) ((bb) >> (mp)->m_sectbb_log)
-
-/*
- * File system sector to byte conversions.
- */
-#define XFS_FSS_TO_B(mp,sectno) ((xfs_fsize_t)(sectno) << (mp)->m_sb.sb_sectlog)
-#define XFS_B_TO_FSST(mp,b) (((__uint64_t)(b)) >> (mp)->m_sb.sb_sectlog)
/*
* File system block to basic block conversions.