diff options
Diffstat (limited to 'fs/xfs/xfs_dir2_sf.h')
| -rw-r--r-- | fs/xfs/xfs_dir2_sf.h | 230 |
1 files changed, 91 insertions, 139 deletions
diff --git a/fs/xfs/xfs_dir2_sf.h b/fs/xfs/xfs_dir2_sf.h index bac6f5a..42f015b 100644 --- a/fs/xfs/xfs_dir2_sf.h +++ b/fs/xfs/xfs_dir2_sf.h @@ -1,33 +1,19 @@ /* - * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2001,2005 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_DIR2_SF_H__ #define __XFS_DIR2_SF_H__ @@ -104,140 +90,106 @@ typedef struct xfs_dir2_sf { xfs_dir2_sf_entry_t list[1]; /* shortform entries */ } xfs_dir2_sf_t; -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_HDR_SIZE) -int xfs_dir2_sf_hdr_size(int i8count); #define XFS_DIR2_SF_HDR_SIZE(i8count) xfs_dir2_sf_hdr_size(i8count) -#else -#define XFS_DIR2_SF_HDR_SIZE(i8count) \ - ((uint)sizeof(xfs_dir2_sf_hdr_t) - \ - ((i8count) == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_INUMBERP) -xfs_dir2_inou_t *xfs_dir2_sf_inumberp(xfs_dir2_sf_entry_t *sfep); +static inline int xfs_dir2_sf_hdr_size(int i8count) +{ + return ((uint)sizeof(xfs_dir2_sf_hdr_t) - \ + ((i8count) == 0) * \ + ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); +} + #define XFS_DIR2_SF_INUMBERP(sfep) xfs_dir2_sf_inumberp(sfep) -#else -#define XFS_DIR2_SF_INUMBERP(sfep) \ - ((xfs_dir2_inou_t *)&(sfep)->name[(sfep)->namelen]) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_INUMBER) -xfs_intino_t xfs_dir2_sf_get_inumber(xfs_dir2_sf_t *sfp, xfs_dir2_inou_t *from); -#define XFS_DIR2_SF_GET_INUMBER(sfp, from) \ - xfs_dir2_sf_get_inumber(sfp, from) +static inline xfs_dir2_inou_t *xfs_dir2_sf_inumberp(xfs_dir2_sf_entry_t *sfep) +{ + return (xfs_dir2_inou_t *)&(sfep)->name[(sfep)->namelen]; +} -#else -#define XFS_DIR2_SF_GET_INUMBER(sfp, from) \ - ((sfp)->hdr.i8count == 0 ? \ +#define XFS_DIR2_SF_GET_INUMBER(sfp, from) \ + xfs_dir2_sf_get_inumber(sfp, from) +static inline xfs_intino_t +xfs_dir2_sf_get_inumber(xfs_dir2_sf_t *sfp, xfs_dir2_inou_t *from) +{ + return ((sfp)->hdr.i8count == 0 ? \ (xfs_intino_t)XFS_GET_DIR_INO4((from)->i4) : \ - (xfs_intino_t)XFS_GET_DIR_INO8((from)->i8)) -#endif + (xfs_intino_t)XFS_GET_DIR_INO8((from)->i8)); +} -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_INUMBER) -void xfs_dir2_sf_put_inumber(xfs_dir2_sf_t *sfp, xfs_ino_t *from, - xfs_dir2_inou_t *to); -#define XFS_DIR2_SF_PUT_INUMBER(sfp,from,to) \ +#define XFS_DIR2_SF_PUT_INUMBER(sfp,from,to) \ xfs_dir2_sf_put_inumber(sfp,from,to) -#else -#define XFS_DIR2_SF_PUT_INUMBER(sfp,from,to) \ - if ((sfp)->hdr.i8count == 0) { \ - XFS_PUT_DIR_INO4(*(from), (to)->i4); \ - } else { \ - XFS_PUT_DIR_INO8(*(from), (to)->i8); \ - } -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_GET_OFFSET) -xfs_dir2_data_aoff_t xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep); +static inline void xfs_dir2_sf_put_inumber(xfs_dir2_sf_t *sfp, xfs_ino_t *from, + xfs_dir2_inou_t *to) +{ + if ((sfp)->hdr.i8count == 0) + XFS_PUT_DIR_INO4(*(from), (to)->i4); + else + XFS_PUT_DIR_INO8(*(from), (to)->i8); +} + #define XFS_DIR2_SF_GET_OFFSET(sfep) \ xfs_dir2_sf_get_offset(sfep) -#else -#define XFS_DIR2_SF_GET_OFFSET(sfep) \ - INT_GET_UNALIGNED_16_BE(&(sfep)->offset.i) -#endif +static inline xfs_dir2_data_aoff_t +xfs_dir2_sf_get_offset(xfs_dir2_sf_entry_t *sfep) +{ + return INT_GET_UNALIGNED_16_BE(&(sfep)->offset.i); +} -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_PUT_OFFSET) -void xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, - xfs_dir2_data_aoff_t off); #define XFS_DIR2_SF_PUT_OFFSET(sfep,off) \ xfs_dir2_sf_put_offset(sfep,off) -#else -#define XFS_DIR2_SF_PUT_OFFSET(sfep,off) \ - INT_SET_UNALIGNED_16_BE(&(sfep)->offset.i,off) -#endif +static inline void +xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) +{ + INT_SET_UNALIGNED_16_BE(&(sfep)->offset.i, off); +} -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYNAME) -int xfs_dir2_sf_entsize_byname(xfs_dir2_sf_t *sfp, int len); #define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len) \ xfs_dir2_sf_entsize_byname(sfp,len) -#else -#define XFS_DIR2_SF_ENTSIZE_BYNAME(sfp,len) /* space a name uses */ \ - ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (len) - \ - ((sfp)->hdr.i8count == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_ENTSIZE_BYENTRY) -int xfs_dir2_sf_entsize_byentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep); +static inline int xfs_dir2_sf_entsize_byname(xfs_dir2_sf_t *sfp, int len) +{ + return ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (len) - \ + ((sfp)->hdr.i8count == 0) * \ + ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); +} + #define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep) \ xfs_dir2_sf_entsize_byentry(sfp,sfep) -#else -#define XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep) /* space an entry uses */ \ - ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (sfep)->namelen - \ - ((sfp)->hdr.i8count == 0) * \ - ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_FIRSTENTRY) -xfs_dir2_sf_entry_t *xfs_dir2_sf_firstentry(xfs_dir2_sf_t *sfp); +static inline int +xfs_dir2_sf_entsize_byentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep) +{ + return ((uint)sizeof(xfs_dir2_sf_entry_t) - 1 + (sfep)->namelen - \ + ((sfp)->hdr.i8count == 0) * \ + ((uint)sizeof(xfs_dir2_ino8_t) - (uint)sizeof(xfs_dir2_ino4_t))); +} + #define XFS_DIR2_SF_FIRSTENTRY(sfp) xfs_dir2_sf_firstentry(sfp) -#else -#define XFS_DIR2_SF_FIRSTENTRY(sfp) /* first entry in struct */ \ - ((xfs_dir2_sf_entry_t *) \ - ((char *)(sfp) + XFS_DIR2_SF_HDR_SIZE(sfp->hdr.i8count))) -#endif - -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DIR2_SF_NEXTENTRY) -xfs_dir2_sf_entry_t *xfs_dir2_sf_nextentry(xfs_dir2_sf_t *sfp, - xfs_dir2_sf_entry_t *sfep); -#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep) xfs_dir2_sf_nextentry(sfp,sfep) -#else -#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep) /* next entry in struct */ \ - ((xfs_dir2_sf_entry_t *) \ - ((char *)(sfep) + XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep))) -#endif +static inline xfs_dir2_sf_entry_t *xfs_dir2_sf_firstentry(xfs_dir2_sf_t *sfp) +{ + return ((xfs_dir2_sf_entry_t *) \ + ((char *)(sfp) + XFS_DIR2_SF_HDR_SIZE(sfp->hdr.i8count))); +} + +#define XFS_DIR2_SF_NEXTENTRY(sfp,sfep) xfs_dir2_sf_nextentry(sfp,sfep) +static inline xfs_dir2_sf_entry_t * +xfs_dir2_sf_nextentry(xfs_dir2_sf_t *sfp, xfs_dir2_sf_entry_t *sfep) +{ + return ((xfs_dir2_sf_entry_t *) \ + ((char *)(sfep) + XFS_DIR2_SF_ENTSIZE_BYENTRY(sfp,sfep))); +} /* * Functions. */ - -extern int - xfs_dir2_block_sfsize(struct xfs_inode *dp, - struct xfs_dir2_block *block, - xfs_dir2_sf_hdr_t *sfhp); - -extern int - xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, - int size, xfs_dir2_sf_hdr_t *sfhp); - -extern int - xfs_dir2_sf_addname(struct xfs_da_args *args); - -extern int - xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); - -extern int - xfs_dir2_sf_getdents(struct xfs_inode *dp, struct uio *uio, int *eofp, - struct xfs_dirent *dbp, xfs_dir2_put_t put); - -extern int - xfs_dir2_sf_lookup(struct xfs_da_args *args); - -extern int - xfs_dir2_sf_removename(struct xfs_da_args *args); - -extern int - xfs_dir2_sf_replace(struct xfs_da_args *args); +extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, + struct xfs_dir2_block *block, + xfs_dir2_sf_hdr_t *sfhp); +extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, + int size, xfs_dir2_sf_hdr_t *sfhp); +extern int xfs_dir2_sf_addname(struct xfs_da_args *args); +extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); +extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, struct uio *uio, + int *eofp, struct xfs_dirent *dbp, + xfs_dir2_put_t put); +extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); +extern int xfs_dir2_sf_removename(struct xfs_da_args *args); +extern int xfs_dir2_sf_replace(struct xfs_da_args *args); #endif /* __XFS_DIR2_SF_H__ */ |