1N/A/*
1N/A * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
1N/A *
1N/A * This program is free software; you can redistribute it and/or modify it
1N/A * under the terms of version 3 of the GNU General Public License as
1N/A * published by the Free Software Foundation.
1N/A *
1N/A * This program is distributed in the hope that it would be useful, but
1N/A * WITHOUT ANY WARRANTY; without even the implied warranty of
1N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
1N/A *
1N/A * Further, this software is distributed without any warranty that it is
1N/A * free of the rightful claim of any third person regarding infringement
1N/A * or the like. Any license provided herein, whether implied or
1N/A * otherwise, applies only to this software file. Patent licenses, if
1N/A * any, provided herein do not apply to combinations of this program with
1N/A * other software, or any other product whatsoever.
1N/A *
1N/A * You should have received a copy of the GNU General Public License along
1N/A * with this program. If not, see <http://www.gnu.org/licenses/>.
1N/A *
1N/A * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
1N/A * Mountain View, CA 94043, or:
1N/A *
1N/A * http://www.sgi.com
1N/A *
1N/A * For further information regarding this notice, see:
1N/A *
1N/A * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
1N/A */
1N/A#ifndef __XFS_SB_H__
1N/A#define __XFS_SB_H__
1N/A
1N/A/*
1N/A * Super block
1N/A * Fits into a 512-byte buffer at daddr_t 0 of each allocation group.
1N/A * Only the first of these is ever updated except during growfs.
1N/A */
1N/A
1N/Astruct xfs_buf;
1N/Astruct xfs_mount;
1N/A
1N/A#define XFS_SB_MAGIC 0x58465342 /* 'XFSB' */
1N/A#define XFS_SB_VERSION_1 1 /* 5.3, 6.0.1, 6.1 */
1N/A#define XFS_SB_VERSION_2 2 /* 6.2 - attributes */
1N/A#define XFS_SB_VERSION_3 3 /* 6.2 - new inode version */
1N/A#define XFS_SB_VERSION_4 4 /* 6.2+ - bitmask version */
1N/A#define XFS_SB_VERSION_NUMBITS 0x000f
1N/A#define XFS_SB_VERSION_ALLFBITS 0xfff0
1N/A#define XFS_SB_VERSION_SASHFBITS 0xf000
1N/A#define XFS_SB_VERSION_REALFBITS 0x0ff0
1N/A#define XFS_SB_VERSION_ATTRBIT 0x0010
1N/A#define XFS_SB_VERSION_NLINKBIT 0x0020
1N/A#define XFS_SB_VERSION_QUOTABIT 0x0040
1N/A#define XFS_SB_VERSION_ALIGNBIT 0x0080
1N/A#define XFS_SB_VERSION_DALIGNBIT 0x0100
1N/A#define XFS_SB_VERSION_SHAREDBIT 0x0200
1N/A#define XFS_SB_VERSION_EXTFLGBIT 0x1000
1N/A#define XFS_SB_VERSION_DIRV2BIT 0x2000
1N/A#define XFS_SB_VERSION_OKSASHFBITS \
1N/A (XFS_SB_VERSION_EXTFLGBIT | \
1N/A XFS_SB_VERSION_DIRV2BIT)
1N/A#define XFS_SB_VERSION_OKREALFBITS \
1N/A (XFS_SB_VERSION_ATTRBIT | \
1N/A XFS_SB_VERSION_NLINKBIT | \
1N/A XFS_SB_VERSION_QUOTABIT | \
1N/A XFS_SB_VERSION_ALIGNBIT | \
1N/A XFS_SB_VERSION_DALIGNBIT | \
1N/A XFS_SB_VERSION_SHAREDBIT)
1N/A#define XFS_SB_VERSION_OKSASHBITS \
1N/A (XFS_SB_VERSION_NUMBITS | \
1N/A XFS_SB_VERSION_REALFBITS | \
1N/A XFS_SB_VERSION_OKSASHFBITS)
1N/A#define XFS_SB_VERSION_OKREALBITS \
1N/A (XFS_SB_VERSION_NUMBITS | \
1N/A XFS_SB_VERSION_OKREALFBITS | \
1N/A XFS_SB_VERSION_OKSASHFBITS)
1N/A#define XFS_SB_VERSION_MKFS(ia,dia,extflag,dirv2) \
1N/A (((ia) || (dia) || (extflag) || (dirv2)) ? \
1N/A (XFS_SB_VERSION_4 | \
1N/A ((ia) ? XFS_SB_VERSION_ALIGNBIT : 0) | \
1N/A ((dia) ? XFS_SB_VERSION_DALIGNBIT : 0) | \
1N/A ((extflag) ? XFS_SB_VERSION_EXTFLGBIT : 0) | \
1N/A ((dirv2) ? XFS_SB_VERSION_DIRV2BIT : 0)) : \
1N/A XFS_SB_VERSION_1)
1N/A
1N/Atypedef struct xfs_sb
1N/A{
1N/A uint32_t sb_magicnum; /* magic number == XFS_SB_MAGIC */
1N/A uint32_t sb_blocksize; /* logical block size, bytes */
1N/A xfs_drfsbno_t sb_dblocks; /* number of data blocks */
1N/A xfs_drfsbno_t sb_rblocks; /* number of realtime blocks */
1N/A xfs_drtbno_t sb_rextents; /* number of realtime extents */
1N/A uuid_t sb_uuid; /* file system unique id */
1N/A xfs_dfsbno_t sb_logstart; /* starting block of log if internal */
1N/A xfs_ino_t sb_rootino; /* root inode number */
1N/A xfs_ino_t sb_rbmino; /* bitmap inode for realtime extents */
1N/A xfs_ino_t sb_rsumino; /* summary inode for rt bitmap */
1N/A xfs_agblock_t sb_rextsize; /* realtime extent size, blocks */
1N/A xfs_agblock_t sb_agblocks; /* size of an allocation group */
1N/A xfs_agnumber_t sb_agcount; /* number of allocation groups */
1N/A xfs_extlen_t sb_rbmblocks; /* number of rt bitmap blocks */
1N/A xfs_extlen_t sb_logblocks; /* number of log blocks */
1N/A uint16_t sb_versionnum; /* header version == XFS_SB_VERSION */
1N/A uint16_t sb_sectsize; /* volume sector size, bytes */
1N/A uint16_t sb_inodesize; /* inode size, bytes */
1N/A uint16_t sb_inopblock; /* inodes per block */
1N/A char sb_fname[12]; /* file system name */
1N/A uint8_t sb_blocklog; /* log2 of sb_blocksize */
1N/A uint8_t sb_sectlog; /* log2 of sb_sectsize */
1N/A uint8_t sb_inodelog; /* log2 of sb_inodesize */
1N/A uint8_t sb_inopblog; /* log2 of sb_inopblock */
1N/A uint8_t sb_agblklog; /* log2 of sb_agblocks (rounded up) */
1N/A uint8_t sb_rextslog; /* log2 of sb_rextents */
1N/A uint8_t sb_inprogress; /* mkfs is in progress, don't mount */
1N/A uint8_t sb_imax_pct; /* max % of fs for inode space */
1N/A /* statistics */
1N/A /*
1N/A * These fields must remain contiguous. If you really
1N/A * want to change their layout, make sure you fix the
1N/A * code in xfs_trans_apply_sb_deltas().
1N/A */
1N/A uint64_t sb_icount; /* allocated inodes */
1N/A uint64_t sb_ifree; /* free inodes */
1N/A uint64_t sb_fdblocks; /* free data blocks */
1N/A uint64_t sb_frextents; /* free realtime extents */
1N/A /*
1N/A * End contiguous fields.
1N/A */
1N/A xfs_ino_t sb_uquotino; /* user quota inode */
1N/A xfs_ino_t sb_gquotino; /* group quota inode */
1N/A uint16_t sb_qflags; /* quota flags */
1N/A uint8_t sb_flags; /* misc. flags */
1N/A uint8_t sb_shared_vn; /* shared version number */
1N/A xfs_extlen_t sb_inoalignmt; /* inode chunk alignment, fsblocks */
1N/A uint32_t sb_unit; /* stripe or raid unit */
1N/A uint32_t sb_width; /* stripe or raid width */
1N/A uint8_t sb_dirblklog; /* log2 of dir block size (fsbs) */
1N/A uint8_t sb_dummy[7]; /* padding */
1N/A} xfs_sb_t;
1N/A
1N/A/*
1N/A * Sequence number values for the fields.
1N/A */
1N/Atypedef enum {
1N/A XFS_SBS_MAGICNUM, XFS_SBS_BLOCKSIZE, XFS_SBS_DBLOCKS, XFS_SBS_RBLOCKS,
1N/A XFS_SBS_REXTENTS, XFS_SBS_UUID, XFS_SBS_LOGSTART, XFS_SBS_ROOTINO,
1N/A XFS_SBS_RBMINO, XFS_SBS_RSUMINO, XFS_SBS_REXTSIZE, XFS_SBS_AGBLOCKS,
1N/A XFS_SBS_AGCOUNT, XFS_SBS_RBMBLOCKS, XFS_SBS_LOGBLOCKS,
1N/A XFS_SBS_VERSIONNUM, XFS_SBS_SECTSIZE, XFS_SBS_INODESIZE,
1N/A XFS_SBS_INOPBLOCK, XFS_SBS_FNAME, XFS_SBS_BLOCKLOG,
1N/A XFS_SBS_SECTLOG, XFS_SBS_INODELOG, XFS_SBS_INOPBLOG, XFS_SBS_AGBLKLOG,
1N/A XFS_SBS_REXTSLOG, XFS_SBS_INPROGRESS, XFS_SBS_IMAX_PCT, XFS_SBS_ICOUNT,
1N/A XFS_SBS_IFREE, XFS_SBS_FDBLOCKS, XFS_SBS_FREXTENTS, XFS_SBS_UQUOTINO,
1N/A XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
1N/A XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
1N/A XFS_SBS_DUMMY,
1N/A XFS_SBS_FIELDCOUNT
1N/A} xfs_sb_field_t;
1N/A
1N/A/*
1N/A * Mask values, defined based on the xfs_sb_field_t values.
1N/A * Only define the ones we're using.
1N/A */
1N/A#define XFS_SB_MVAL(x) (1LL << XFS_SBS_ ## x)
1N/A#define XFS_SB_UUID XFS_SB_MVAL(UUID)
1N/A#define XFS_SB_FNAME XFS_SB_MVAL(FNAME)
1N/A#define XFS_SB_ROOTINO XFS_SB_MVAL(ROOTINO)
1N/A#define XFS_SB_RBMINO XFS_SB_MVAL(RBMINO)
1N/A#define XFS_SB_RSUMINO XFS_SB_MVAL(RSUMINO)
1N/A#define XFS_SB_VERSIONNUM XFS_SB_MVAL(VERSIONNUM)
1N/A#define XFS_SB_UQUOTINO XFS_SB_MVAL(UQUOTINO)
1N/A#define XFS_SB_GQUOTINO XFS_SB_MVAL(GQUOTINO)
1N/A#define XFS_SB_QFLAGS XFS_SB_MVAL(QFLAGS)
1N/A#define XFS_SB_SHARED_VN XFS_SB_MVAL(SHARED_VN)
1N/A#define XFS_SB_UNIT XFS_SB_MVAL(UNIT)
1N/A#define XFS_SB_WIDTH XFS_SB_MVAL(WIDTH)
1N/A#define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT)
1N/A#define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1)
1N/A#define XFS_SB_MOD_BITS \
1N/A (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
1N/A XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
1N/A XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH)
1N/A
1N/A/*
1N/A * Misc. Flags - warning - these will be cleared by xfs_repair unless
1N/A * a feature bit is set when the flag is used.
1N/A */
1N/A#define XFS_SBF_NOFLAGS 0x00 /* no flags set */
1N/A#define XFS_SBF_READONLY 0x01 /* only read-only mounts allowed */
1N/A
1N/A/*
1N/A * define max. shared version we can interoperate with
1N/A */
1N/A#define XFS_SB_MAX_SHARED_VN 0
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_NUM)
1N/Aint xfs_sb_version_num(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_NUM(sbp) xfs_sb_version_num(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_NUM(sbp) ((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS)
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_GOOD_VERSION)
1N/Aint xfs_sb_good_version(xfs_sb_t *sbp);
1N/A#define XFS_SB_GOOD_VERSION(sbp) xfs_sb_good_version(sbp)
1N/A#else
1N/A#define XFS_SB_GOOD_VERSION_INT(sbp) \
1N/A ((((sbp)->sb_versionnum >= XFS_SB_VERSION_1) && \
1N/A ((sbp)->sb_versionnum <= XFS_SB_VERSION_3)) || \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A !((sbp)->sb_versionnum & ~XFS_SB_VERSION_OKREALBITS)
1N/A#ifdef __KERNEL__
1N/A#define XFS_SB_GOOD_VERSION(sbp) \
1N/A (XFS_SB_GOOD_VERSION_INT(sbp) && \
1N/A (sbp)->sb_shared_vn <= XFS_SB_MAX_SHARED_VN) ))
1N/A#else
1N/A/*
1N/A * extra 2 paren's here (( to unconfuse paren-matching editors
1N/A * like vi because XFS_SB_GOOD_VERSION_INT is a partial expression
1N/A * and the two XFS_SB_GOOD_VERSION's each 2 more close paren's to
1N/A * complete the expression.
1N/A */
1N/A#define XFS_SB_GOOD_VERSION(sbp) \
1N/A (XFS_SB_GOOD_VERSION_INT(sbp) && \
1N/A (!((sbp)->sb_versionnum & XFS_SB_VERSION_SHAREDBIT) || \
1N/A (sbp)->sb_shared_vn <= XFS_SB_MAX_SHARED_VN)) ))
1N/A#endif /* __KERNEL__ */
1N/A#endif
1N/A
1N/A#define XFS_SB_GOOD_SASH_VERSION(sbp) \
1N/A ((((sbp)->sb_versionnum >= XFS_SB_VERSION_1) && \
1N/A ((sbp)->sb_versionnum <= XFS_SB_VERSION_3)) || \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A !((sbp)->sb_versionnum & ~XFS_SB_VERSION_OKSASHBITS)))
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_TONEW)
1N/Aunsigned xfs_sb_version_tonew(unsigned v);
1N/A#define XFS_SB_VERSION_TONEW(v) xfs_sb_version_tonew(v)
1N/A#else
1N/A#define XFS_SB_VERSION_TONEW(v) \
1N/A ((((v) == XFS_SB_VERSION_1) ? \
1N/A 0 : \
1N/A (((v) == XFS_SB_VERSION_2) ? \
1N/A XFS_SB_VERSION_ATTRBIT : \
1N/A (XFS_SB_VERSION_ATTRBIT | XFS_SB_VERSION_NLINKBIT))) | \
1N/A XFS_SB_VERSION_4)
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_TOOLD)
1N/Aunsigned xfs_sb_version_toold(unsigned v);
1N/A#define XFS_SB_VERSION_TOOLD(v) xfs_sb_version_toold(v)
1N/A#else
1N/A#define XFS_SB_VERSION_TOOLD(v) \
1N/A (((v) & (XFS_SB_VERSION_QUOTABIT | XFS_SB_VERSION_ALIGNBIT)) ? \
1N/A 0 : \
1N/A (((v) & XFS_SB_VERSION_NLINKBIT) ? \
1N/A XFS_SB_VERSION_3 : \
1N/A (((v) & XFS_SB_VERSION_ATTRBIT) ? \
1N/A XFS_SB_VERSION_2 : \
1N/A XFS_SB_VERSION_1)))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASATTR)
1N/Aint xfs_sb_version_hasattr(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASATTR(sbp) xfs_sb_version_hasattr(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASATTR(sbp) \
1N/A (((sbp)->sb_versionnum == XFS_SB_VERSION_2) || \
1N/A ((sbp)->sb_versionnum == XFS_SB_VERSION_3) || \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_ATTRBIT)))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDATTR)
1N/Avoid xfs_sb_version_addattr(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDATTR(sbp) xfs_sb_version_addattr(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDATTR(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A (((sbp)->sb_versionnum == XFS_SB_VERSION_1) ? \
1N/A XFS_SB_VERSION_2 : \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) ? \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_ATTRBIT) : \
1N/A (XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT))))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASNLINK)
1N/Aint xfs_sb_version_hasnlink(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASNLINK(sbp) xfs_sb_version_hasnlink(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASNLINK(sbp) \
1N/A (((sbp)->sb_versionnum == XFS_SB_VERSION_3) || \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_NLINKBIT)))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDNLINK)
1N/Avoid xfs_sb_version_addnlink(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDNLINK(sbp) xfs_sb_version_addnlink(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDNLINK(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum <= XFS_SB_VERSION_2 ? \
1N/A XFS_SB_VERSION_3 : \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_NLINKBIT)))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASQUOTA)
1N/Aint xfs_sb_version_hasquota(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASQUOTA(sbp) xfs_sb_version_hasquota(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASQUOTA(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_QUOTABIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDQUOTA)
1N/Avoid xfs_sb_version_addquota(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDQUOTA(sbp) xfs_sb_version_addquota(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDQUOTA(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 ? \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_QUOTABIT) : \
1N/A (XFS_SB_VERSION_TONEW((sbp)->sb_versionnum) | \
1N/A XFS_SB_VERSION_QUOTABIT)))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASALIGN)
1N/Aint xfs_sb_version_hasalign(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASALIGN(sbp) xfs_sb_version_hasalign(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASALIGN(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_ALIGNBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_SUBALIGN)
1N/Avoid xfs_sb_version_subalign(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_SUBALIGN(sbp) xfs_sb_version_subalign(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_SUBALIGN(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A XFS_SB_VERSION_TOOLD((sbp)->sb_versionnum & ~XFS_SB_VERSION_ALIGNBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASDALIGN)
1N/Aint xfs_sb_version_hasdalign(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASDALIGN(sbp) xfs_sb_version_hasdalign(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASDALIGN(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_DALIGNBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDDALIGN)
1N/Aint xfs_sb_version_adddalign(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDDALIGN(sbp) xfs_sb_version_adddalign(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDDALIGN(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_DALIGNBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASSHARED)
1N/Aint xfs_sb_version_hasshared(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASSHARED(sbp) xfs_sb_version_hasshared(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASSHARED(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_SHAREDBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDSHARED)
1N/Aint xfs_sb_version_addshared(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDSHARED(sbp) xfs_sb_version_addshared(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDSHARED(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_SHAREDBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_SUBSHARED)
1N/Aint xfs_sb_version_subshared(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_SUBSHARED(sbp) xfs_sb_version_subshared(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_SUBSHARED(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum & ~XFS_SB_VERSION_SHAREDBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASDIRV2)
1N/Aint xfs_sb_version_hasdirv2(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASDIRV2(sbp) xfs_sb_version_hasdirv2(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASDIRV2(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_DIRV2BIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASEXTFLGBIT)
1N/Aint xfs_sb_version_hasextflgbit(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_HASEXTFLGBIT(sbp) xfs_sb_version_hasextflgbit(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_HASEXTFLGBIT(sbp) \
1N/A ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \
1N/A ((sbp)->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDEXTFLGBIT)
1N/Aint xfs_sb_version_addextflgbit(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_ADDEXTFLGBIT(sbp) xfs_sb_version_addextflgbit(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_ADDEXTFLGBIT(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum | XFS_SB_VERSION_EXTFLGBIT))
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_SUBEXTFLGBIT)
1N/Aint xfs_sb_version_subextflgbit(xfs_sb_t *sbp);
1N/A#define XFS_SB_VERSION_SUBEXTFLGBIT(sbp) xfs_sb_version_subextflgbit(sbp)
1N/A#else
1N/A#define XFS_SB_VERSION_SUBEXTFLGBIT(sbp) \
1N/A ((sbp)->sb_versionnum = \
1N/A ((sbp)->sb_versionnum & ~XFS_SB_VERSION_EXTFLGBIT))
1N/A#endif
1N/A
1N/A/*
1N/A * end of superblock version macros
1N/A */
1N/A
1N/A#define XFS_SB_DADDR ((xfs_daddr_t)0) /* daddr in file system/ag */
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_BLOCK)
1N/Axfs_agblock_t xfs_sb_block(struct xfs_mount *mp);
1N/A#define XFS_SB_BLOCK(mp) xfs_sb_block(mp)
1N/A#else
1N/A#define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR)
1N/A#endif
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_HDR_BLOCK)
1N/Axfs_agblock_t xfs_hdr_block(struct xfs_mount *mp, xfs_daddr_t d);
1N/A#define XFS_HDR_BLOCK(mp,d) xfs_hdr_block(mp,d)
1N/A#else
1N/A#define XFS_HDR_BLOCK(mp,d) ((xfs_agblock_t)(XFS_BB_TO_FSBT(mp,d)))
1N/A#endif
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DADDR_TO_FSB)
1N/Axfs_fsblock_t xfs_daddr_to_fsb(struct xfs_mount *mp, xfs_daddr_t d);
1N/A#define XFS_DADDR_TO_FSB(mp,d) xfs_daddr_to_fsb(mp,d)
1N/A#else
1N/A#define XFS_DADDR_TO_FSB(mp,d) \
1N/A XFS_AGB_TO_FSB(mp, XFS_DADDR_TO_AGNO(mp,d), XFS_DADDR_TO_AGBNO(mp,d))
1N/A#endif
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_DADDR)
1N/Axfs_daddr_t xfs_fsb_to_daddr(struct xfs_mount *mp, xfs_fsblock_t fsbno);
1N/A#define XFS_FSB_TO_DADDR(mp,fsbno) xfs_fsb_to_daddr(mp,fsbno)
1N/A#else
1N/A#define XFS_FSB_TO_DADDR(mp,fsbno) \
1N/A XFS_AGB_TO_DADDR(mp, XFS_FSB_TO_AGNO(mp,fsbno), \
1N/A XFS_FSB_TO_AGBNO(mp,fsbno))
1N/A#endif
1N/A
1N/A/*
1N/A * File system block to basic block conversions.
1N/A */
1N/A#define XFS_FSB_TO_BB(mp,fsbno) ((fsbno) << (mp)->m_blkbb_log)
1N/A#define XFS_BB_TO_FSB(mp,bb) \
1N/A (((bb) + (XFS_FSB_TO_BB(mp,1) - 1)) >> (mp)->m_blkbb_log)
1N/A#define XFS_BB_TO_FSBT(mp,bb) ((bb) >> (mp)->m_blkbb_log)
1N/A#define XFS_BB_FSB_OFFSET(mp,bb) ((bb) & ((mp)->m_bsize - 1))
1N/A
1N/A/*
1N/A * File system block to byte conversions.
1N/A */
1N/A#define XFS_FSB_TO_B(mp,fsbno) ((xfs_fsize_t)(fsbno) << \
1N/A (mp)->m_sb.sb_blocklog)
1N/A#define XFS_B_TO_FSB(mp,b) \
1N/A ((((uint64_t)(b)) + (mp)->m_blockmask) >> (mp)->m_sb.sb_blocklog)
1N/A#define XFS_B_TO_FSBT(mp,b) (((uint64_t)(b)) >> (mp)->m_sb.sb_blocklog)
1N/A#define XFS_B_FSB_OFFSET(mp,b) ((b) & (mp)->m_blockmask)
1N/A
1N/A#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_SBP)
1N/Axfs_sb_t *xfs_buf_to_sbp(struct xfs_buf *bp);
1N/A#define XFS_BUF_TO_SBP(bp) xfs_buf_to_sbp(bp)
1N/A#else
1N/A#define XFS_BUF_TO_SBP(bp) ((xfs_sb_t *)XFS_BUF_PTR(bp))
1N/A#endif
1N/A
1N/A#endif /* __XFS_SB_H__ */