diff options
Diffstat (limited to 'fs/xfs/xfs_attr_leaf.h')
| -rw-r--r-- | fs/xfs/xfs_attr_leaf.h | 129 |
1 files changed, 55 insertions, 74 deletions
diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h index 0a4cfad6df91..f6143ff251a0 100644 --- a/fs/xfs/xfs_attr_leaf.h +++ b/fs/xfs/xfs_attr_leaf.h @@ -1,33 +1,19 @@ /* - * Copyright (c) 2000, 2002-2003 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000,2002-2003,2005 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_ATTR_LEAF_H__ #define __XFS_ATTR_LEAF_H__ @@ -146,65 +132,58 @@ typedef struct xfs_attr_leaf_name_remote xfs_attr_leaf_name_remote_t; /* * Cast typed pointers for "local" and "remote" name/value structs. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_NAME_REMOTE) -xfs_attr_leaf_name_remote_t * -xfs_attr_leaf_name_remote(xfs_attr_leafblock_t *leafp, int idx); #define XFS_ATTR_LEAF_NAME_REMOTE(leafp,idx) \ xfs_attr_leaf_name_remote(leafp,idx) -#else -#define XFS_ATTR_LEAF_NAME_REMOTE(leafp,idx) /* remote name struct ptr */ \ - ((xfs_attr_leaf_name_remote_t *) \ - &((char *)(leafp))[ INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT) ]) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_NAME_LOCAL) -xfs_attr_leaf_name_local_t * -xfs_attr_leaf_name_local(xfs_attr_leafblock_t *leafp, int idx); +static inline xfs_attr_leaf_name_remote_t * +xfs_attr_leaf_name_remote(xfs_attr_leafblock_t *leafp, int idx) +{ + return (xfs_attr_leaf_name_remote_t *) &((char *) + (leafp))[INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT)]; +} + #define XFS_ATTR_LEAF_NAME_LOCAL(leafp,idx) \ xfs_attr_leaf_name_local(leafp,idx) -#else -#define XFS_ATTR_LEAF_NAME_LOCAL(leafp,idx) /* local name struct ptr */ \ - ((xfs_attr_leaf_name_local_t *) \ - &((char *)(leafp))[ INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT) ]) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_NAME) -char *xfs_attr_leaf_name(xfs_attr_leafblock_t *leafp, int idx); +static inline xfs_attr_leaf_name_local_t * +xfs_attr_leaf_name_local(xfs_attr_leafblock_t *leafp, int idx) +{ + return (xfs_attr_leaf_name_local_t *) &((char *) + (leafp))[INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT)]; +} + #define XFS_ATTR_LEAF_NAME(leafp,idx) xfs_attr_leaf_name(leafp,idx) -#else -#define XFS_ATTR_LEAF_NAME(leafp,idx) /* generic name struct ptr */ \ - (&((char *)(leafp))[ INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT) ]) -#endif +static inline char *xfs_attr_leaf_name(xfs_attr_leafblock_t *leafp, int idx) +{ + return (&((char *) + (leafp))[INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT)]); +} /* * Calculate total bytes used (including trailing pad for alignment) for * a "local" name/value structure, a "remote" name/value structure, and * a pointer which might be either. */ -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_ENTSIZE_REMOTE) -int xfs_attr_leaf_entsize_remote(int nlen); #define XFS_ATTR_LEAF_ENTSIZE_REMOTE(nlen) \ xfs_attr_leaf_entsize_remote(nlen) -#else -#define XFS_ATTR_LEAF_ENTSIZE_REMOTE(nlen) /* space for remote struct */ \ - (((uint)sizeof(xfs_attr_leaf_name_remote_t) - 1 + (nlen) + \ - XFS_ATTR_LEAF_NAME_ALIGN - 1) & ~(XFS_ATTR_LEAF_NAME_ALIGN - 1)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_ENTSIZE_LOCAL) -int xfs_attr_leaf_entsize_local(int nlen, int vlen); +static inline int xfs_attr_leaf_entsize_remote(int nlen) +{ + return ((uint)sizeof(xfs_attr_leaf_name_remote_t) - 1 + (nlen) + \ + XFS_ATTR_LEAF_NAME_ALIGN - 1) & ~(XFS_ATTR_LEAF_NAME_ALIGN - 1); +} + #define XFS_ATTR_LEAF_ENTSIZE_LOCAL(nlen,vlen) \ xfs_attr_leaf_entsize_local(nlen,vlen) -#else -#define XFS_ATTR_LEAF_ENTSIZE_LOCAL(nlen,vlen) /* space for local struct */ \ - (((uint)sizeof(xfs_attr_leaf_name_local_t) - 1 + (nlen) + (vlen) + \ - XFS_ATTR_LEAF_NAME_ALIGN - 1) & ~(XFS_ATTR_LEAF_NAME_ALIGN - 1)) -#endif -#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ATTR_LEAF_ENTSIZE_LOCAL_MAX) -int xfs_attr_leaf_entsize_local_max(int bsize); +static inline int xfs_attr_leaf_entsize_local(int nlen, int vlen) +{ + return ((uint)sizeof(xfs_attr_leaf_name_local_t) - 1 + (nlen) + (vlen) + + XFS_ATTR_LEAF_NAME_ALIGN - 1) & ~(XFS_ATTR_LEAF_NAME_ALIGN - 1); +} + #define XFS_ATTR_LEAF_ENTSIZE_LOCAL_MAX(bsize) \ xfs_attr_leaf_entsize_local_max(bsize) -#else -#define XFS_ATTR_LEAF_ENTSIZE_LOCAL_MAX(bsize) /* max local struct size */ \ - (((bsize) >> 1) + ((bsize) >> 2)) -#endif +static inline int xfs_attr_leaf_entsize_local_max(int bsize) +{ + return (((bsize) >> 1) + ((bsize) >> 2)); +} /*======================================================================== @@ -237,23 +216,25 @@ typedef struct xfs_attr_inactive_list { *========================================================================*/ /* - * Internal routines when dirsize < XFS_LITINO(mp). + * Internal routines when attribute fork size < XFS_LITINO(mp). */ -int xfs_attr_shortform_create(struct xfs_da_args *args); -int xfs_attr_shortform_add(struct xfs_da_args *add); +void xfs_attr_shortform_create(struct xfs_da_args *args); +void xfs_attr_shortform_add(struct xfs_da_args *args, int forkoff); int xfs_attr_shortform_lookup(struct xfs_da_args *args); int xfs_attr_shortform_getvalue(struct xfs_da_args *args); int xfs_attr_shortform_to_leaf(struct xfs_da_args *args); -int xfs_attr_shortform_remove(struct xfs_da_args *remove); +int xfs_attr_shortform_remove(struct xfs_da_args *args); int xfs_attr_shortform_list(struct xfs_attr_list_context *context); int xfs_attr_shortform_allfit(struct xfs_dabuf *bp, struct xfs_inode *dp); +int xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes); + /* - * Internal routines when dirsize == XFS_LBSIZE(mp). + * Internal routines when attribute fork size == XFS_LBSIZE(mp). */ int xfs_attr_leaf_to_node(struct xfs_da_args *args); int xfs_attr_leaf_to_shortform(struct xfs_dabuf *bp, - struct xfs_da_args *args); + struct xfs_da_args *args, int forkoff); int xfs_attr_leaf_clearflag(struct xfs_da_args *args); int xfs_attr_leaf_setflag(struct xfs_da_args *args); int xfs_attr_leaf_flipflags(xfs_da_args_t *args); @@ -289,7 +270,7 @@ int xfs_attr_root_inactive(struct xfs_trans **trans, struct xfs_inode *dp); xfs_dahash_t xfs_attr_leaf_lasthash(struct xfs_dabuf *bp, int *count); int xfs_attr_leaf_order(struct xfs_dabuf *leaf1_bp, struct xfs_dabuf *leaf2_bp); -int xfs_attr_leaf_newentsize(struct xfs_da_args *args, int blocksize, +int xfs_attr_leaf_newentsize(int namelen, int valuelen, int blocksize, int *local); int xfs_attr_rolltrans(struct xfs_trans **transp, struct xfs_inode *dp); 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