/*
* 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
* 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
+ * 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://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_RTALLOC_H__
-#define __XFS_RTALLOC_H__
+#define __XFS_RTALLOC_H__
struct xfs_mount;
struct xfs_trans;
/* 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_MIN_RTEXTSIZE (4 * 1024) /* 4KB */
+#define XFS_MAX_RTEXTSIZE (1024 * 1024 * 1024) /* 1GB */
+#define XFS_DFL_RTEXTSIZE (64 * 1024) /* 64KB */
+#define XFS_MIN_RTEXTSIZE (4 * 1024) /* 4KB */
/*
* Constants for bit manipulations.
*/
-#define XFS_NBBYLOG 3 /* log2(NBBY) */
-#define XFS_WORDLOG 2 /* log2(sizeof(xfs_rtword_t)) */
-#define XFS_NBWORDLOG (XFS_NBBYLOG + XFS_WORDLOG)
-#define XFS_NBWORD (1 << XFS_NBWORDLOG)
-#define XFS_WORDMASK ((1 << XFS_WORDLOG) - 1)
+#define XFS_NBBYLOG 3 /* log2(NBBY) */
+#define XFS_WORDLOG 2 /* log2(sizeof(xfs_rtword_t)) */
+#define XFS_NBWORDLOG (XFS_NBBYLOG + XFS_WORDLOG)
+#define XFS_NBWORD (1 << XFS_NBWORDLOG)
+#define XFS_WORDMASK ((1 << XFS_WORDLOG) - 1)
-#define XFS_BLOCKSIZE(mp) ((mp)->m_sb.sb_blocksize)
-#define XFS_BLOCKMASK(mp) ((mp)->m_blockmask)
-#define XFS_BLOCKWSIZE(mp) ((mp)->m_blockwsize)
-#define XFS_BLOCKWMASK(mp) ((mp)->m_blockwmask)
+#define XFS_BLOCKSIZE(mp) ((mp)->m_sb.sb_blocksize)
+#define XFS_BLOCKMASK(mp) ((mp)->m_blockmask)
+#define XFS_BLOCKWSIZE(mp) ((mp)->m_blockwsize)
+#define XFS_BLOCKWMASK(mp) ((mp)->m_blockwmask)
/*
* Summary and bit manipulation macros.
*/
-#define XFS_SUMOFFS(mp,ls,bb) ((int)((ls) * (mp)->m_sb.sb_rbmblocks + (bb)))
-#define XFS_SUMOFFSTOBLOCK(mp,s) \
+#define XFS_SUMOFFS(mp,ls,bb) ((int)((ls) * (mp)->m_sb.sb_rbmblocks + (bb)))
+#define XFS_SUMOFFSTOBLOCK(mp,s) \
(((s) * (uint)sizeof(xfs_suminfo_t)) >> (mp)->m_sb.sb_blocklog)
-#define XFS_SUMPTR(mp,bp,so) \
+#define XFS_SUMPTR(mp,bp,so) \
((xfs_suminfo_t *)((char *)XFS_BUF_PTR(bp) + \
(((so) * (uint)sizeof(xfs_suminfo_t)) & XFS_BLOCKMASK(mp))))
-#define XFS_BITTOBLOCK(mp,bi) ((bi) >> (mp)->m_blkbit_log)
-#define XFS_BLOCKTOBIT(mp,bb) ((bb) << (mp)->m_blkbit_log)
-#define XFS_BITTOWORD(mp,bi) \
+#define XFS_BITTOBLOCK(mp,bi) ((bi) >> (mp)->m_blkbit_log)
+#define XFS_BLOCKTOBIT(mp,bb) ((bb) << (mp)->m_blkbit_log)
+#define XFS_BITTOWORD(mp,bi) \
((int)(((bi) >> XFS_NBWORDLOG) & XFS_BLOCKWMASK(mp)))
-#define XFS_RTMIN(a,b) ((a) < (b) ? (a) : (b))
-#define XFS_RTMAX(a,b) ((a) > (b) ? (a) : (b))
+#define XFS_RTMIN(a,b) ((a) < (b) ? (a) : (b))
+#define XFS_RTMAX(a,b) ((a) > (b) ? (a) : (b))
-#define XFS_RTLOBIT(w) xfs_lowbit32(w)
-#define XFS_RTHIBIT(w) xfs_highbit32(w)
+#define XFS_RTLOBIT(w) xfs_lowbit32(w)
+#define XFS_RTHIBIT(w) xfs_highbit32(w)
#if XFS_BIG_FILESYSTEMS
-#define XFS_RTBLOCKLOG(b) xfs_highbit64(b)
+#define XFS_RTBLOCKLOG(b) xfs_highbit64(b)
#else
-#define XFS_RTBLOCKLOG(b) xfs_highbit32(b)
+#define XFS_RTBLOCKLOG(b) xfs_highbit32(b)
#endif
/*
* Allocate an extent in the realtime subvolume, with the usual allocation
- * parameters. The length units are all in realtime extents, as is the
+ * parameters. The length units are all in realtime extents, as is the
* result block number.
*/
int /* error */
xfs_rtallocate_extent(
struct xfs_trans *tp, /* transaction pointer */
xfs_rtblock_t bno, /* starting block number to allocate */
- xfs_extlen_t minlen, /* minimum length to allocate */
- xfs_extlen_t maxlen, /* maximum length to allocate */
+ xfs_extlen_t minlen, /* minimum length to allocate */
+ xfs_extlen_t maxlen, /* maximum length to allocate */
xfs_extlen_t *len, /* out: actual length allocated */
xfs_alloctype_t type, /* allocation type XFS_ALLOCTYPE... */
- int wasdel, /* was a delayed allocation extent */
+ int wasdel, /* was a delayed allocation extent */
xfs_extlen_t prod, /* extent product factor */
xfs_rtblock_t *rtblock); /* out: start block allocated */
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 */
struct xfs_mount *mp, /* file system mount point */
struct xfs_trans *tp, /* transaction pointer */
xfs_extlen_t len, /* allocation length (rtextents) */
- xfs_rtblock_t *pick); /* result rt extent */
+ xfs_rtblock_t *pick); /* result rt extent */
/*
* Debug code: print out the value of a range in the bitmap.
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))
+# 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__ */
projects / thirdparty / xfsprogs-dev.git / blobdiff