diff options
Diffstat (limited to 'fs/xfs/xfs_bmap_btree.h')
| -rw-r--r-- | fs/xfs/xfs_bmap_btree.h | 644 |
1 files changed, 168 insertions, 476 deletions
diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index 2cf4fe45cbcb1..e095a2d344ae9 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -1,33 +1,19 @@ /* - * Copyright (c) 2000,2002-2004 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000,2002-2005 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_BMAP_BTREE_H__ #define __XFS_BMAP_BTREE_H__ @@ -42,10 +28,9 @@ struct xfs_inode; /* * Bmap root header, on-disk form only. */ -typedef struct xfs_bmdr_block -{ - __uint16_t bb_level; /* 0 is a leaf */ - __uint16_t bb_numrecs; /* current # of data records */ +typedef struct xfs_bmdr_block { + __be16 bb_level; /* 0 is a leaf */ + __be16 bb_numrecs; /* current # of data records */ } xfs_bmdr_block_t; /* @@ -114,31 +99,31 @@ typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t; (((((xfs_fsblock_t)1) << STARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS) #define DSTARTBLOCKMASK \ (((((xfs_dfsbno_t)1) << DSTARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_ISNULLSTARTBLOCK) -int isnullstartblock(xfs_fsblock_t x); + #define ISNULLSTARTBLOCK(x) isnullstartblock(x) -#else -#define ISNULLSTARTBLOCK(x) (((x) & STARTBLOCKMASK) == STARTBLOCKMASK) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_ISNULLDSTARTBLOCK) -int isnulldstartblock(xfs_dfsbno_t x); +static inline int isnullstartblock(xfs_fsblock_t x) +{ + return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK; +} + #define ISNULLDSTARTBLOCK(x) isnulldstartblock(x) -#else -#define ISNULLDSTARTBLOCK(x) (((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_NULLSTARTBLOCK) -xfs_fsblock_t nullstartblock(int k); +static inline int isnulldstartblock(xfs_dfsbno_t x) +{ + return ((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK; +} + #define NULLSTARTBLOCK(k) nullstartblock(k) -#else -#define NULLSTARTBLOCK(k) \ - ((ASSERT(k < (1 << STARTBLOCKVALBITS))), (STARTBLOCKMASK | (k))) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_STARTBLOCKVAL) -xfs_filblks_t startblockval(xfs_fsblock_t x); +static inline xfs_fsblock_t nullstartblock(int k) +{ + ASSERT(k < (1 << STARTBLOCKVALBITS)); + return STARTBLOCKMASK | (k); +} + #define STARTBLOCKVAL(x) startblockval(x) -#else -#define STARTBLOCKVAL(x) ((xfs_filblks_t)((x) & ~STARTBLOCKMASK)) -#endif +static inline xfs_filblks_t startblockval(xfs_fsblock_t x) +{ + return (xfs_filblks_t)((x) & ~STARTBLOCKMASK); +} /* * Possible extent formats. @@ -159,14 +144,9 @@ typedef enum { /* * Extent state and extent format macros. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_EXTFMT_INODE ) -xfs_exntfmt_t xfs_extfmt_inode(struct xfs_inode *ip); -#define XFS_EXTFMT_INODE(x) xfs_extfmt_inode(x) -#else -#define XFS_EXTFMT_INODE(x) \ - (XFS_SB_VERSION_HASEXTFLGBIT(&((x)->i_mount->m_sb)) ? \ - XFS_EXTFMT_HASSTATE : XFS_EXTFMT_NOSTATE) -#endif +#define XFS_EXTFMT_INODE(x) \ + (XFS_SB_VERSION_HASEXTFLGBIT(&((x)->i_mount->m_sb)) ? \ + XFS_EXTFMT_HASSTATE : XFS_EXTFMT_NOSTATE) #define ISUNWRITTEN(x) ((x)->br_state == XFS_EXT_UNWRITTEN) /* @@ -192,248 +172,110 @@ typedef xfs_dfsbno_t xfs_bmbt_ptr_t, xfs_bmdr_ptr_t; /* btree pointer type */ /* btree block header type */ typedef struct xfs_btree_lblock xfs_bmbt_block_t; -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_BMBT_BLOCK) -xfs_bmbt_block_t *xfs_buf_to_bmbt_block(struct xfs_buf *bp); -#define XFS_BUF_TO_BMBT_BLOCK(bp) xfs_buf_to_bmbt_block(bp) -#else -#define XFS_BUF_TO_BMBT_BLOCK(bp) ((xfs_bmbt_block_t *)(XFS_BUF_PTR(bp))) -#endif +#define XFS_BUF_TO_BMBT_BLOCK(bp) ((xfs_bmbt_block_t *)XFS_BUF_PTR(bp)) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_RBLOCK_DSIZE) -int xfs_bmap_rblock_dsize(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_RBLOCK_DSIZE(lev,cur) xfs_bmap_rblock_dsize(lev,cur) -#else -#define XFS_BMAP_RBLOCK_DSIZE(lev,cur) ((cur)->bc_private.b.forksize) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_RBLOCK_ISIZE) -int xfs_bmap_rblock_isize(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_RBLOCK_ISIZE(lev,cur) xfs_bmap_rblock_isize(lev,cur) -#else -#define XFS_BMAP_RBLOCK_ISIZE(lev,cur) \ +#define XFS_BMAP_IBLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog) +#define XFS_BMAP_RBLOCK_DSIZE(lev,cur) ((cur)->bc_private.b.forksize) +#define XFS_BMAP_RBLOCK_ISIZE(lev,cur) \ ((int)XFS_IFORK_PTR((cur)->bc_private.b.ip, \ - (cur)->bc_private.b.whichfork)->if_broot_bytes) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_IBLOCK_SIZE) -int xfs_bmap_iblock_size(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_IBLOCK_SIZE(lev,cur) xfs_bmap_iblock_size(lev,cur) -#else -#define XFS_BMAP_IBLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog) -#endif + (cur)->bc_private.b.whichfork)->if_broot_bytes) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_DSIZE) -int xfs_bmap_block_dsize(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_DSIZE(lev,cur) xfs_bmap_block_dsize(lev,cur) -#else -#define XFS_BMAP_BLOCK_DSIZE(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BMAP_RBLOCK_DSIZE(lev,cur) : \ - XFS_BMAP_IBLOCK_SIZE(lev,cur)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_ISIZE) -int xfs_bmap_block_isize(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_ISIZE(lev,cur) xfs_bmap_block_isize(lev,cur) -#else -#define XFS_BMAP_BLOCK_ISIZE(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BMAP_RBLOCK_ISIZE(lev,cur) : \ - XFS_BMAP_IBLOCK_SIZE(lev,cur)) -#endif +#define XFS_BMAP_BLOCK_DSIZE(lev,cur) \ + (((lev) == (cur)->bc_nlevels - 1 ? \ + XFS_BMAP_RBLOCK_DSIZE(lev,cur) : XFS_BMAP_IBLOCK_SIZE(lev,cur))) +#define XFS_BMAP_BLOCK_ISIZE(lev,cur) \ + (((lev) == (cur)->bc_nlevels - 1 ? \ + XFS_BMAP_RBLOCK_ISIZE(lev,cur) : XFS_BMAP_IBLOCK_SIZE(lev,cur))) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_DMAXRECS) -int xfs_bmap_block_dmaxrecs(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_DMAXRECS(lev,cur) xfs_bmap_block_dmaxrecs(lev,cur) -#else #define XFS_BMAP_BLOCK_DMAXRECS(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ + (((lev) == (cur)->bc_nlevels - 1 ? \ XFS_BTREE_BLOCK_MAXRECS(XFS_BMAP_RBLOCK_DSIZE(lev,cur), \ xfs_bmdr, (lev) == 0) : \ - ((cur)->bc_mp->m_bmap_dmxr[(lev) != 0])) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_IMAXRECS) -int xfs_bmap_block_imaxrecs(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_IMAXRECS(lev,cur) xfs_bmap_block_imaxrecs(lev,cur) -#else + ((cur)->bc_mp->m_bmap_dmxr[(lev) != 0]))) #define XFS_BMAP_BLOCK_IMAXRECS(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BTREE_BLOCK_MAXRECS(XFS_BMAP_RBLOCK_ISIZE(lev,cur), \ - xfs_bmbt, (lev) == 0) : \ - ((cur)->bc_mp->m_bmap_dmxr[(lev) != 0])) -#endif + (((lev) == (cur)->bc_nlevels - 1 ? \ + XFS_BTREE_BLOCK_MAXRECS(XFS_BMAP_RBLOCK_ISIZE(lev,cur),\ + xfs_bmbt, (lev) == 0) : \ + ((cur)->bc_mp->m_bmap_dmxr[(lev) != 0]))) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_DMINRECS) -int xfs_bmap_block_dminrecs(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_DMINRECS(lev,cur) xfs_bmap_block_dminrecs(lev,cur) -#else #define XFS_BMAP_BLOCK_DMINRECS(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BTREE_BLOCK_MINRECS(XFS_BMAP_RBLOCK_DSIZE(lev,cur), \ - xfs_bmdr, (lev) == 0) : \ - ((cur)->bc_mp->m_bmap_dmnr[(lev) != 0])) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BLOCK_IMINRECS) -int xfs_bmap_block_iminrecs(int lev, struct xfs_btree_cur *cur); -#define XFS_BMAP_BLOCK_IMINRECS(lev,cur) xfs_bmap_block_iminrecs(lev,cur) -#else + (((lev) == (cur)->bc_nlevels - 1 ? \ + XFS_BTREE_BLOCK_MINRECS(XFS_BMAP_RBLOCK_DSIZE(lev,cur),\ + xfs_bmdr, (lev) == 0) : \ + ((cur)->bc_mp->m_bmap_dmnr[(lev) != 0]))) #define XFS_BMAP_BLOCK_IMINRECS(lev,cur) \ - ((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BTREE_BLOCK_MINRECS(XFS_BMAP_RBLOCK_ISIZE(lev,cur), \ - xfs_bmbt, (lev) == 0) : \ - ((cur)->bc_mp->m_bmap_dmnr[(lev) != 0])) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_REC_DADDR) -xfs_bmbt_rec_t * -xfs_bmap_rec_daddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_REC_DADDR(bb,i,cur) xfs_bmap_rec_daddr(bb,i,cur) -#else -#define XFS_BMAP_REC_DADDR(bb,i,cur) \ - XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_REC_IADDR) -xfs_bmbt_rec_t * -xfs_bmap_rec_iaddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_REC_IADDR(bb,i,cur) xfs_bmap_rec_iaddr(bb,i,cur) -#else -#define XFS_BMAP_REC_IADDR(bb,i,cur) \ - XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_KEY_DADDR) -xfs_bmbt_key_t * -xfs_bmap_key_daddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_KEY_DADDR(bb,i,cur) xfs_bmap_key_daddr(bb,i,cur) -#else -#define XFS_BMAP_KEY_DADDR(bb,i,cur) \ - XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_KEY_IADDR) -xfs_bmbt_key_t * -xfs_bmap_key_iaddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_KEY_IADDR(bb,i,cur) xfs_bmap_key_iaddr(bb,i,cur) -#else -#define XFS_BMAP_KEY_IADDR(bb,i,cur) \ - XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_PTR_DADDR) -xfs_bmbt_ptr_t * -xfs_bmap_ptr_daddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_PTR_DADDR(bb,i,cur) xfs_bmap_ptr_daddr(bb,i,cur) -#else -#define XFS_BMAP_PTR_DADDR(bb,i,cur) \ - XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_PTR_IADDR) -xfs_bmbt_ptr_t * -xfs_bmap_ptr_iaddr(xfs_bmbt_block_t *bb, int i, struct xfs_btree_cur *cur); -#define XFS_BMAP_PTR_IADDR(bb,i,cur) xfs_bmap_ptr_iaddr(bb,i,cur) -#else -#define XFS_BMAP_PTR_IADDR(bb,i,cur) \ - XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ - INT_GET((bb)->bb_level, ARCH_CONVERT), cur)) -#endif + (((lev) == (cur)->bc_nlevels - 1 ? \ + XFS_BTREE_BLOCK_MINRECS(XFS_BMAP_RBLOCK_ISIZE(lev,cur),\ + xfs_bmbt, (lev) == 0) : \ + ((cur)->bc_mp->m_bmap_dmnr[(lev) != 0]))) + +#define XFS_BMAP_REC_DADDR(bb,i,cur) \ + (XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_DSIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) +#define XFS_BMAP_REC_IADDR(bb,i,cur) \ + (XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_ISIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) + +#define XFS_BMAP_KEY_DADDR(bb,i,cur) \ + (XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_DSIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) +#define XFS_BMAP_KEY_IADDR(bb,i,cur) \ + (XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_ISIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) + +#define XFS_BMAP_PTR_DADDR(bb,i,cur) \ + (XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_DSIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) +#define XFS_BMAP_PTR_IADDR(bb,i,cur) \ + (XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_ISIZE( \ + be16_to_cpu((bb)->bb_level), cur), \ + xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ + be16_to_cpu((bb)->bb_level), cur))) /* * These are to be used when we know the size of the block and * we don't have a cursor. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_REC_ADDR) -xfs_bmbt_rec_t *xfs_bmap_broot_rec_addr(xfs_bmbt_block_t *bb, int i, int sz); -#define XFS_BMAP_BROOT_REC_ADDR(bb,i,sz) xfs_bmap_broot_rec_addr(bb,i,sz) -#else #define XFS_BMAP_BROOT_REC_ADDR(bb,i,sz) \ - XFS_BTREE_REC_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_KEY_ADDR) -xfs_bmbt_key_t *xfs_bmap_broot_key_addr(xfs_bmbt_block_t *bb, int i, int sz); -#define XFS_BMAP_BROOT_KEY_ADDR(bb,i,sz) xfs_bmap_broot_key_addr(bb,i,sz) -#else + (XFS_BTREE_REC_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) #define XFS_BMAP_BROOT_KEY_ADDR(bb,i,sz) \ - XFS_BTREE_KEY_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_PTR_ADDR) -xfs_bmbt_ptr_t *xfs_bmap_broot_ptr_addr(xfs_bmbt_block_t *bb, int i, int sz); -#define XFS_BMAP_BROOT_PTR_ADDR(bb,i,sz) xfs_bmap_broot_ptr_addr(bb,i,sz) -#else + (XFS_BTREE_KEY_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) #define XFS_BMAP_BROOT_PTR_ADDR(bb,i,sz) \ - XFS_BTREE_PTR_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz)) -#endif + (XFS_BTREE_PTR_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) + +#define XFS_BMAP_BROOT_NUMRECS(bb) be16_to_cpu((bb)->bb_numrecs) +#define XFS_BMAP_BROOT_MAXRECS(sz) XFS_BTREE_BLOCK_MAXRECS(sz,xfs_bmbt,0) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_NUMRECS) -int xfs_bmap_broot_numrecs(xfs_bmdr_block_t *bb); -#define XFS_BMAP_BROOT_NUMRECS(bb) xfs_bmap_broot_numrecs(bb) -#else -#define XFS_BMAP_BROOT_NUMRECS(bb) (INT_GET((bb)->bb_numrecs, ARCH_CONVERT)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_MAXRECS) -int xfs_bmap_broot_maxrecs(int sz); -#define XFS_BMAP_BROOT_MAXRECS(sz) xfs_bmap_broot_maxrecs(sz) -#else -#define XFS_BMAP_BROOT_MAXRECS(sz) XFS_BTREE_BLOCK_MAXRECS(sz,xfs_bmbt,0) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_SPACE_CALC) -int xfs_bmap_broot_space_calc(int nrecs); -#define XFS_BMAP_BROOT_SPACE_CALC(nrecs) xfs_bmap_broot_space_calc(nrecs) -#else #define XFS_BMAP_BROOT_SPACE_CALC(nrecs) \ - ((int)(sizeof(xfs_bmbt_block_t) + \ - ((nrecs) * (sizeof(xfs_bmbt_key_t) + sizeof(xfs_bmbt_ptr_t))))) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_BROOT_SPACE) -int xfs_bmap_broot_space(xfs_bmdr_block_t *bb); -#define XFS_BMAP_BROOT_SPACE(bb) xfs_bmap_broot_space(bb) -#else + (int)(sizeof(xfs_bmbt_block_t) + \ + ((nrecs) * (sizeof(xfs_bmbt_key_t) + sizeof(xfs_bmbt_ptr_t)))) + #define XFS_BMAP_BROOT_SPACE(bb) \ - XFS_BMAP_BROOT_SPACE_CALC(INT_GET((bb)->bb_numrecs, ARCH_CONVERT)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMDR_SPACE_CALC) -int xfs_bmdr_space_calc(int nrecs); -#define XFS_BMDR_SPACE_CALC(nrecs) xfs_bmdr_space_calc(nrecs) -#else -#define XFS_BMDR_SPACE_CALC(nrecs) \ - ((int)(sizeof(xfs_bmdr_block_t) + \ - ((nrecs) * (sizeof(xfs_bmbt_key_t) + sizeof(xfs_bmbt_ptr_t))))) -#endif + (XFS_BMAP_BROOT_SPACE_CALC(be16_to_cpu((bb)->bb_numrecs))) +#define XFS_BMDR_SPACE_CALC(nrecs) \ + (int)(sizeof(xfs_bmdr_block_t) + \ + ((nrecs) * (sizeof(xfs_bmbt_key_t) + sizeof(xfs_bmbt_ptr_t)))) /* * Maximum number of bmap btree levels. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BM_MAXLEVELS) -int xfs_bm_maxlevels(struct xfs_mount *mp, int w); -#define XFS_BM_MAXLEVELS(mp,w) xfs_bm_maxlevels(mp,w) -#else -#define XFS_BM_MAXLEVELS(mp,w) ((mp)->m_bm_maxlevels[w]) -#endif +#define XFS_BM_MAXLEVELS(mp,w) ((mp)->m_bm_maxlevels[(w)]) -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BMAP_SANITY_CHECK) -int xfs_bmap_sanity_check(struct xfs_mount *mp, xfs_bmbt_block_t *bb, - int level); -#define XFS_BMAP_SANITY_CHECK(mp,bb,level) \ - xfs_bmap_sanity_check(mp,bb,level) -#else -#define XFS_BMAP_SANITY_CHECK(mp,bb,level) \ - (INT_GET((bb)->bb_magic, ARCH_CONVERT) == XFS_BMAP_MAGIC && \ - INT_GET((bb)->bb_level, ARCH_CONVERT) == level && \ - INT_GET((bb)->bb_numrecs, ARCH_CONVERT) > 0 && \ - INT_GET((bb)->bb_numrecs, ARCH_CONVERT) <= (mp)->m_bmap_dmxr[(level) != 0]) -#endif +#define XFS_BMAP_SANITY_CHECK(mp,bb,level) \ + (be32_to_cpu((bb)->bb_magic) == XFS_BMAP_MAGIC && \ + be16_to_cpu((bb)->bb_level) == level && \ + be16_to_cpu((bb)->bb_numrecs) > 0 && \ + be16_to_cpu((bb)->bb_numrecs) <= (mp)->m_bmap_dmxr[(level) != 0]) #ifdef __KERNEL__ @@ -459,234 +301,84 @@ extern ktrace_t *xfs_bmbt_trace_buf; /* * Prototypes for xfs_bmap.c to call. */ - -void -xfs_bmdr_to_bmbt( - xfs_bmdr_block_t *, - int, - xfs_bmbt_block_t *, - int); - -int -xfs_bmbt_decrement( - struct xfs_btree_cur *, - int, - int *); - -int -xfs_bmbt_delete( - struct xfs_btree_cur *, - int *); - -void -xfs_bmbt_get_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s); - -xfs_bmbt_block_t * -xfs_bmbt_get_block( - struct xfs_btree_cur *cur, - int level, - struct xfs_buf **bpp); - -xfs_filblks_t -xfs_bmbt_get_blockcount( - xfs_bmbt_rec_t *r); - -xfs_fsblock_t -xfs_bmbt_get_startblock( - xfs_bmbt_rec_t *r); - -xfs_fileoff_t -xfs_bmbt_get_startoff( - xfs_bmbt_rec_t *r); - -xfs_exntst_t -xfs_bmbt_get_state( - xfs_bmbt_rec_t *r); +extern void xfs_bmdr_to_bmbt(xfs_bmdr_block_t *, int, xfs_bmbt_block_t *, int); +extern int xfs_bmbt_decrement(struct xfs_btree_cur *, int, int *); +extern int xfs_bmbt_delete(struct xfs_btree_cur *, int *); +extern void xfs_bmbt_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); +extern xfs_bmbt_block_t *xfs_bmbt_get_block(struct xfs_btree_cur *cur, + int, struct xfs_buf **bpp); +extern xfs_filblks_t xfs_bmbt_get_blockcount(xfs_bmbt_rec_t *r); +extern xfs_fsblock_t xfs_bmbt_get_startblock(xfs_bmbt_rec_t *r); +extern xfs_fileoff_t xfs_bmbt_get_startoff(xfs_bmbt_rec_t *r); +extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_t *r); #ifndef XFS_NATIVE_HOST -void -xfs_bmbt_disk_get_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s); - -xfs_exntst_t -xfs_bmbt_disk_get_state( - xfs_bmbt_rec_t *r); - -xfs_filblks_t -xfs_bmbt_disk_get_blockcount( - xfs_bmbt_rec_t *r); - -xfs_fsblock_t -xfs_bmbt_disk_get_startblock( - xfs_bmbt_rec_t *r); - -xfs_fileoff_t -xfs_bmbt_disk_get_startoff( - xfs_bmbt_rec_t *r); - -#else -#define xfs_bmbt_disk_get_all(r, s) \ - xfs_bmbt_get_all(r, s) -#define xfs_bmbt_disk_get_state(r) \ - xfs_bmbt_get_state(r) -#define xfs_bmbt_disk_get_blockcount(r) \ - xfs_bmbt_get_blockcount(r) -#define xfs_bmbt_disk_get_startblock(r) \ - xfs_bmbt_get_blockcount(r) -#define xfs_bmbt_disk_get_startoff(r) \ - xfs_bmbt_get_startoff(r) +extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); +extern xfs_exntst_t xfs_bmbt_disk_get_state(xfs_bmbt_rec_t *r); +extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(xfs_bmbt_rec_t *r); +extern xfs_fsblock_t xfs_bmbt_disk_get_startblock(xfs_bmbt_rec_t *r); +extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r); +#else +#define xfs_bmbt_disk_get_all(r, s) xfs_bmbt_get_all(r, s) +#define xfs_bmbt_disk_get_state(r) xfs_bmbt_get_state(r) +#define xfs_bmbt_disk_get_blockcount(r) xfs_bmbt_get_blockcount(r) +#define xfs_bmbt_disk_get_startblock(r) xfs_bmbt_get_blockcount(r) +#define xfs_bmbt_disk_get_startoff(r) xfs_bmbt_get_startoff(r) #endif /* XFS_NATIVE_HOST */ -int -xfs_bmbt_increment( - struct xfs_btree_cur *, - int, - int *); - -int -xfs_bmbt_insert( - struct xfs_btree_cur *, - int *); - -void -xfs_bmbt_log_block( - struct xfs_btree_cur *, - struct xfs_buf *, - int); - -void -xfs_bmbt_log_recs( - struct xfs_btree_cur *, - struct xfs_buf *, - int, - int); - -int -xfs_bmbt_lookup_eq( - struct xfs_btree_cur *, - xfs_fileoff_t, - xfs_fsblock_t, - xfs_filblks_t, - int *); - -int -xfs_bmbt_lookup_ge( - struct xfs_btree_cur *, - xfs_fileoff_t, - xfs_fsblock_t, - xfs_filblks_t, - int *); +extern int xfs_bmbt_increment(struct xfs_btree_cur *, int, int *); +extern int xfs_bmbt_insert(struct xfs_btree_cur *, int *); +extern void xfs_bmbt_log_block(struct xfs_btree_cur *, struct xfs_buf *, int); +extern void xfs_bmbt_log_recs(struct xfs_btree_cur *, struct xfs_buf *, int, + int); +extern int xfs_bmbt_lookup_eq(struct xfs_btree_cur *, xfs_fileoff_t, + xfs_fsblock_t, xfs_filblks_t, int *); +extern int xfs_bmbt_lookup_ge(struct xfs_btree_cur *, xfs_fileoff_t, + xfs_fsblock_t, xfs_filblks_t, int *); /* * Give the bmap btree a new root block. Copy the old broot contents * down into a real block and make the broot point to it. */ -int /* error */ -xfs_bmbt_newroot( - struct xfs_btree_cur *cur, /* btree cursor */ - int *logflags, /* logging flags for inode */ - int *stat); /* return status - 0 fail */ - -void -xfs_bmbt_set_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s); - -void -xfs_bmbt_set_allf( - xfs_bmbt_rec_t *r, - xfs_fileoff_t o, - xfs_fsblock_t b, - xfs_filblks_t c, - xfs_exntst_t v); - -void -xfs_bmbt_set_blockcount( - xfs_bmbt_rec_t *r, - xfs_filblks_t v); - -void -xfs_bmbt_set_startblock( - xfs_bmbt_rec_t *r, - xfs_fsblock_t v); - -void -xfs_bmbt_set_startoff( - xfs_bmbt_rec_t *r, - xfs_fileoff_t v); - -void -xfs_bmbt_set_state( - xfs_bmbt_rec_t *r, - xfs_exntst_t v); +extern int xfs_bmbt_newroot(struct xfs_btree_cur *cur, int *lflags, int *stat); + +extern void xfs_bmbt_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); +extern void xfs_bmbt_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o, + xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v); +extern void xfs_bmbt_set_blockcount(xfs_bmbt_rec_t *r, xfs_filblks_t v); +extern void xfs_bmbt_set_startblock(xfs_bmbt_rec_t *r, xfs_fsblock_t v); +extern void xfs_bmbt_set_startoff(xfs_bmbt_rec_t *r, xfs_fileoff_t v); +extern void xfs_bmbt_set_state(xfs_bmbt_rec_t *r, xfs_exntst_t v); #ifndef XFS_NATIVE_HOST -void -xfs_bmbt_disk_set_all( - xfs_bmbt_rec_t *r, - xfs_bmbt_irec_t *s); - -void -xfs_bmbt_disk_set_allf( - xfs_bmbt_rec_t *r, - xfs_fileoff_t o, - xfs_fsblock_t b, - xfs_filblks_t c, - xfs_exntst_t v); +extern void xfs_bmbt_disk_set_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); +extern void xfs_bmbt_disk_set_allf(xfs_bmbt_rec_t *r, xfs_fileoff_t o, + xfs_fsblock_t b, xfs_filblks_t c, xfs_exntst_t v); #else -#define xfs_bmbt_disk_set_all(r, s) \ - xfs_bmbt_set_all(r, s) -#define xfs_bmbt_disk_set_allf(r, o, b, c, v) \ - xfs_bmbt_set_allf(r, o, b, c, v) +#define xfs_bmbt_disk_set_all(r, s) xfs_bmbt_set_all(r, s) +#define xfs_bmbt_disk_set_allf(r, o, b, c, v) xfs_bmbt_set_allf(r, o, b, c, v) #endif /* XFS_NATIVE_HOST */ -void -xfs_bmbt_to_bmdr( - xfs_bmbt_block_t *, - int, - xfs_bmdr_block_t *, - int); - -int -xfs_bmbt_update( - struct xfs_btree_cur *, - xfs_fileoff_t, - xfs_fsblock_t, - xfs_filblks_t, - xfs_exntst_t); +extern void xfs_bmbt_to_bmdr(xfs_bmbt_block_t *, int, xfs_bmdr_block_t *, int); +extern int xfs_bmbt_update(struct xfs_btree_cur *, xfs_fileoff_t, + xfs_fsblock_t, xfs_filblks_t, xfs_exntst_t); #ifdef DEBUG /* * Get the data from the pointed-to record. */ -int -xfs_bmbt_get_rec( - struct xfs_btree_cur *, - xfs_fileoff_t *, - xfs_fsblock_t *, - xfs_filblks_t *, - xfs_exntst_t *, - int *); +extern int xfs_bmbt_get_rec(struct xfs_btree_cur *, xfs_fileoff_t *, + xfs_fsblock_t *, xfs_filblks_t *, + xfs_exntst_t *, int *); #endif - /* * Search an extent list for the extent which includes block * bno. */ -xfs_bmbt_rec_t * -xfs_bmap_do_search_extents( - xfs_bmbt_rec_t *, - xfs_extnum_t, - xfs_extnum_t, - xfs_fileoff_t, - int *, - xfs_extnum_t *, - xfs_bmbt_irec_t *, - xfs_bmbt_irec_t *); +xfs_bmbt_rec_t *xfs_bmap_do_search_extents(xfs_bmbt_rec_t *, + xfs_extnum_t, xfs_extnum_t, xfs_fileoff_t, int *, + xfs_extnum_t *, xfs_bmbt_irec_t *, xfs_bmbt_irec_t *); #endif /* __KERNEL__ */ |