[XFS] Remove version 1 directory code. Never functioned on Linux, just

pure bloat.

SGI-PV: 952969
SGI-Modid: xfs-linux-melb:xfs-kern:26251a

Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 0 insertions, 1213 deletions

diff --git a/fs/xfs/xfs_dir.c b/fs/xfs/xfs_dir.c
index 3cd8657a81f6..e69de29bb2d1 100644
--- a/fs/xfs/xfs_dir.c
+++ b/fs/xfs/xfs_dir.c
@@ -1,1213 +0,0 @@
-/*
- * 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 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.  See the
- * GNU General Public License for more details.
- *
- * 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
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_types.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_trans.h"
-#include "xfs_sb.h"
-#include "xfs_dir.h"
-#include "xfs_dir2.h"
-#include "xfs_dmapi.h"
-#include "xfs_mount.h"
-#include "xfs_da_btree.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_alloc_btree.h"
-#include "xfs_ialloc_btree.h"
-#include "xfs_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_dir_sf.h"
-#include "xfs_dir2_sf.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dinode.h"
-#include "xfs_inode.h"
-#include "xfs_bmap.h"
-#include "xfs_dir_leaf.h"
-#include "xfs_error.h"
-
-/*
- * xfs_dir.c
- *
- * Provide the external interfaces to manage directories.
- */
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-/*
- * Functions for the dirops interfaces.
- */
-static void	xfs_dir_mount(struct xfs_mount *mp);
-
-static int	xfs_dir_isempty(struct xfs_inode *dp);
-
-static int	xfs_dir_init(struct xfs_trans *trans,
-			     struct xfs_inode *dir,
-			     struct xfs_inode *parent_dir);
-
-static int	xfs_dir_createname(struct xfs_trans *trans,
-				   struct xfs_inode *dp,
-				   char *name_string,
-				   int name_len,
-				   xfs_ino_t inode_number,
-				   xfs_fsblock_t *firstblock,
-				   xfs_bmap_free_t *flist,
-				   xfs_extlen_t total);
-
-static int	xfs_dir_lookup(struct xfs_trans *tp,
-			       struct xfs_inode *dp,
-			       char *name_string,
-			       int name_length,
-			       xfs_ino_t *inode_number);
-
-static int	xfs_dir_removename(struct xfs_trans *trans,
-				   struct xfs_inode *dp,
-				   char *name_string,
-				   int name_length,
-				   xfs_ino_t ino,
-				   xfs_fsblock_t *firstblock,
-				   xfs_bmap_free_t *flist,
-				   xfs_extlen_t total);
-
-static int	xfs_dir_getdents(struct xfs_trans *tp,
-				 struct xfs_inode *dp,
-				 struct uio *uiop,
-				 int *eofp);
-
-static int	xfs_dir_replace(struct xfs_trans *tp,
-				struct xfs_inode *dp,
-				char *name_string,
-				int name_length,
-				xfs_ino_t inode_number,
-				xfs_fsblock_t *firstblock,
-				xfs_bmap_free_t *flist,
-				xfs_extlen_t total);
-
-static int	xfs_dir_canenter(struct xfs_trans *tp,
-				 struct xfs_inode *dp,
-				 char *name_string,
-				 int name_length);
-
-static int	xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp,
-						  xfs_dinode_t *dip);
-
-xfs_dirops_t xfsv1_dirops = {
-	.xd_mount			= xfs_dir_mount,
-	.xd_isempty			= xfs_dir_isempty,
-	.xd_init			= xfs_dir_init,
-	.xd_createname			= xfs_dir_createname,
-	.xd_lookup			= xfs_dir_lookup,
-	.xd_removename			= xfs_dir_removename,
-	.xd_getdents			= xfs_dir_getdents,
-	.xd_replace			= xfs_dir_replace,
-	.xd_canenter			= xfs_dir_canenter,
-	.xd_shortform_validate_ondisk	= xfs_dir_shortform_validate_ondisk,
-	.xd_shortform_to_single		= xfs_dir_shortform_to_leaf,
-};
-
-/*
- * Internal routines when dirsize == XFS_LBSIZE(mp).
- */
-STATIC int xfs_dir_leaf_lookup(xfs_da_args_t *args);
-STATIC int xfs_dir_leaf_removename(xfs_da_args_t *args, int *number_entries,
-						 int *total_namebytes);
-STATIC int xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp,
-					     uio_t *uio, int *eofp,
-					     xfs_dirent_t *dbp,
-					     xfs_dir_put_t put);
-STATIC int xfs_dir_leaf_replace(xfs_da_args_t *args);
-
-/*
- * Internal routines when dirsize > XFS_LBSIZE(mp).
- */
-STATIC int xfs_dir_node_addname(xfs_da_args_t *args);
-STATIC int xfs_dir_node_lookup(xfs_da_args_t *args);
-STATIC int xfs_dir_node_removename(xfs_da_args_t *args);
-STATIC int xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp,
-					     uio_t *uio, int *eofp,
-					     xfs_dirent_t *dbp,
-					     xfs_dir_put_t put);
-STATIC int xfs_dir_node_replace(xfs_da_args_t *args);
-
-#if defined(XFS_DIR_TRACE)
-ktrace_t *xfs_dir_trace_buf;
-#endif
-
-
-/*========================================================================
- * Overall external interface routines.
- *========================================================================*/
-
-xfs_dahash_t	xfs_dir_hash_dot, xfs_dir_hash_dotdot;
-
-/*
- * One-time startup routine called from xfs_init().
- */
-void
-xfs_dir_startup(void)
-{
-	xfs_dir_hash_dot = xfs_da_hashname(".", 1);
-	xfs_dir_hash_dotdot = xfs_da_hashname("..", 2);
-}
-
-/*
- * Initialize directory-related fields in the mount structure.
- */
-static void
-xfs_dir_mount(xfs_mount_t *mp)
-{
-	uint shortcount, leafcount, count;
-
-	mp->m_dirversion = 1;
-	if (!(mp->m_flags & XFS_MOUNT_ATTR2)) {
-		shortcount = (mp->m_attroffset -
-				(uint)sizeof(xfs_dir_sf_hdr_t)) /
-				 (uint)sizeof(xfs_dir_sf_entry_t);
-		leafcount = (XFS_LBSIZE(mp) -
-				(uint)sizeof(xfs_dir_leaf_hdr_t)) /
-				 ((uint)sizeof(xfs_dir_leaf_entry_t) +
-				  (uint)sizeof(xfs_dir_leaf_name_t));
-	} else {
-		shortcount = (XFS_BMDR_SPACE_CALC(MINABTPTRS) -
-			      (uint)sizeof(xfs_dir_sf_hdr_t)) /
-			       (uint)sizeof(xfs_dir_sf_entry_t);
-		leafcount = (XFS_LBSIZE(mp) -
-			    (uint)sizeof(xfs_dir_leaf_hdr_t)) /
-			     ((uint)sizeof(xfs_dir_leaf_entry_t) +
-			      (uint)sizeof(xfs_dir_leaf_name_t));
-	}
-	count = shortcount > leafcount ? shortcount : leafcount;
-	mp->m_dircook_elog = xfs_da_log2_roundup(count + 1);
-	ASSERT(mp->m_dircook_elog <= mp->m_sb.sb_blocklog);
-	mp->m_dir_node_ents = mp->m_attr_node_ents =
-		(XFS_LBSIZE(mp) - (uint)sizeof(xfs_da_node_hdr_t)) /
-		(uint)sizeof(xfs_da_node_entry_t);
-	mp->m_dir_magicpct = (XFS_LBSIZE(mp) * 37) / 100;
-	mp->m_dirblksize = mp->m_sb.sb_blocksize;
-	mp->m_dirblkfsbs = 1;
-}
-
-/*
- * Return 1 if directory contains only "." and "..".
- */
-static int
-xfs_dir_isempty(xfs_inode_t *dp)
-{
-	xfs_dir_sf_hdr_t *hdr;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if (dp->i_d.di_size == 0)
-		return(1);
-	if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
-		return(0);
-	hdr = (xfs_dir_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	return(hdr->count == 0);
-}
-
-/*
- * Initialize a directory with its "." and ".." entries.
- */
-static int
-xfs_dir_init(xfs_trans_t *trans, xfs_inode_t *dir, xfs_inode_t *parent_dir)
-{
-	xfs_da_args_t args;
-	int error;
-
-	memset((char *)&args, 0, sizeof(args));
-	args.dp = dir;
-	args.trans = trans;
-
-	ASSERT((dir->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if ((error = xfs_dir_ino_validate(trans->t_mountp, parent_dir->i_ino)))
-		return error;
-
-	return(xfs_dir_shortform_create(&args, parent_dir->i_ino));
-}
-
-/*
- * Generic handler routine to add a name to a directory.
- * Transitions directory from shortform to Btree as necessary.
- */
-static int							/* error */
-xfs_dir_createname(xfs_trans_t *trans, xfs_inode_t *dp, char *name,
-		   int namelen, xfs_ino_t inum, xfs_fsblock_t *firstblock,
-		   xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int retval, newsize, done;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum)))
-		return (retval);
-
-	XFS_STATS_INC(xs_dir_create);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = inum;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = 0;
-	args.addname = args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	done = 0;
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen);
-		if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp)) {
-			retval = xfs_dir_shortform_addname(&args);
-			done = 1;
-		} else {
-			if (total == 0)
-				return XFS_ERROR(ENOSPC);
-			retval = xfs_dir_shortform_to_leaf(&args);
-			done = retval != 0;
-		}
-	}
-	if (!done && xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_addname(&args);
-		done = retval != ENOSPC;
-		if (!done) {
-			if (total == 0)
-				return XFS_ERROR(ENOSPC);
-			retval = xfs_dir_leaf_to_node(&args);
-			done = retval != 0;
-		}
-	}
-	if (!done) {
-		retval = xfs_dir_node_addname(&args);
-	}
-	return(retval);
-}
-
-/*
- * Generic handler routine to check if a name can be added to a directory,
- * without adding any blocks to the directory.
- */
-static int							/* error */
-xfs_dir_canenter(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen)
-{
-	xfs_da_args_t args;
-	int retval, newsize;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
-	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen);
-		if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp))
-			retval = 0;
-		else
-			retval = XFS_ERROR(ENOSPC);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_addname(&args);
-	} else {
-		retval = xfs_dir_node_addname(&args);
-	}
-	return(retval);
-}
-
-/*
- * Generic handler routine to remove a name from a directory.
- * Transitions directory from Btree to shortform as necessary.
- */
-static int							/* error */
-xfs_dir_removename(xfs_trans_t *trans, xfs_inode_t *dp, char *name,
-		   int namelen, xfs_ino_t ino, xfs_fsblock_t *firstblock,
-		   xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int count, totallen, newsize, retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	XFS_STATS_INC(xs_dir_remove);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = ino;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 0;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_removename(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_removename(&args, &count, &totallen);
-		if (retval == 0) {
-			newsize = XFS_DIR_SF_ALLFIT(count, totallen);
-			if (newsize <= XFS_IFORK_DSIZE(dp)) {
-				retval = xfs_dir_leaf_to_shortform(&args);
-			}
-		}
-	} else {
-		retval = xfs_dir_node_removename(&args);
-	}
-	return(retval);
-}
-
-static int							/* error */
-xfs_dir_lookup(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen,
-				   xfs_ino_t *inum)
-{
-	xfs_da_args_t args;
-	int retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	XFS_STATS_INC(xs_dir_lookup);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
-	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = 0;
-	args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_lookup(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_lookup(&args);
-	} else {
-		retval = xfs_dir_node_lookup(&args);
-	}
-	if (retval == EEXIST)
-		retval = 0;
-	*inum = args.inumber;
-	return(retval);
-}
-
-/*
- * Implement readdir.
- */
-static int							/* error */
-xfs_dir_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, int *eofp)
-{
-	xfs_dirent_t *dbp;
-	int  alignment, retval;
-	xfs_dir_put_t put;
-
-	XFS_STATS_INC(xs_dir_getdents);
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	/*
-	 * If our caller has given us a single contiguous memory buffer,
-	 * just work directly within that buffer.  If it's in user memory,
-	 * lock it down first.
-	 */
-	alignment = sizeof(xfs_off_t) - 1;
-	if ((uio->uio_iovcnt == 1) &&
-	    (((__psint_t)uio->uio_iov[0].iov_base & alignment) == 0) &&
-	    ((uio->uio_iov[0].iov_len & alignment) == 0)) {
-		dbp = NULL;
-		put = xfs_dir_put_dirent64_direct;
-	} else {
-		dbp = kmem_alloc(sizeof(*dbp) + MAXNAMELEN, KM_SLEEP);
-		put = xfs_dir_put_dirent64_uio;
-	}
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	*eofp = 0;
-
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_getdents(dp, uio, eofp, dbp, put);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_getdents(trans, dp, uio, eofp, dbp, put);
-	} else {
-		retval = xfs_dir_node_getdents(trans, dp, uio, eofp, dbp, put);
-	}
-	if (dbp != NULL)
-		kmem_free(dbp, sizeof(*dbp) + MAXNAMELEN);
-
-	return(retval);
-}
-
-static int							/* error */
-xfs_dir_replace(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen,
-				    xfs_ino_t inum, xfs_fsblock_t *firstblock,
-				    xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum)))
-		return retval;
-
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = inum;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 0;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_replace(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_replace(&args);
-	} else {
-		retval = xfs_dir_node_replace(&args);
-	}
-
-	return(retval);
-}
-
-static int
-xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp, xfs_dinode_t *dp)
-{
-	xfs_ino_t		ino;
-	int			namelen_sum;
-	int			count;
-	xfs_dir_shortform_t	*sf;
-	xfs_dir_sf_entry_t	*sfe;
-	int			i;
-
-
-
-	if ((INT_GET(dp->di_core.di_mode, ARCH_CONVERT) & S_IFMT) != S_IFDIR) {
-		return 0;
-	}
-	if (INT_GET(dp->di_core.di_format, ARCH_CONVERT) != XFS_DINODE_FMT_LOCAL) {
-		return 0;
-	}
-	if (INT_GET(dp->di_core.di_size, ARCH_CONVERT) < sizeof(sf->hdr)) {
-		xfs_fs_cmn_err(CE_WARN, mp, "Invalid shortform size: dp 0x%p",
-			dp);
-		return 1;
-	}
-	sf = (xfs_dir_shortform_t *)(&dp->di_u.di_dirsf);
-	ino = XFS_GET_DIR_INO8(sf->hdr.parent);
-	if (xfs_dir_ino_validate(mp, ino))
-		return 1;
-
-	count =	sf->hdr.count;
-	if ((count < 0) || ((count * 10) > XFS_LITINO(mp))) {
-		xfs_fs_cmn_err(CE_WARN, mp,
-			"Invalid shortform count: dp 0x%p", dp);
-		return(1);
-	}
-
-	if (count == 0) {
-		return 0;
-	}
-
-	namelen_sum = 0;
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count - 1; i >= 0; i--) {
-		ino = XFS_GET_DIR_INO8(sfe->inumber);
-		xfs_dir_ino_validate(mp, ino);
-		if (sfe->namelen >= XFS_LITINO(mp)) {
-			xfs_fs_cmn_err(CE_WARN, mp,
-				"Invalid shortform namelen: dp 0x%p", dp);
-			return 1;
-		}
-		namelen_sum += sfe->namelen;
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	if (namelen_sum >= XFS_LITINO(mp)) {
-		xfs_fs_cmn_err(CE_WARN, mp,
-			"Invalid shortform namelen: dp 0x%p", dp);
-		return 1;
-	}
-
-	return 0;
-}
-
-/*========================================================================
- * External routines when dirsize == XFS_LBSIZE(dp->i_mount).
- *========================================================================*/
-
-/*
- * Add a name to the leaf directory structure
- * This is the external routine.
- */
-int
-xfs_dir_leaf_addname(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == ENOENT)
-		retval = xfs_dir_leaf_add(bp, args, index);
-	xfs_da_buf_done(bp);
-	return(retval);
-}
-
-/*
- * Remove a name from the leaf directory structure
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_removename(xfs_da_args_t *args, int *count, int *totallen)
-{
-	xfs_dir_leafblock_t *leaf;
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == EEXIST) {
-		(void)xfs_dir_leaf_remove(args->trans, bp, index);
-		*count = be16_to_cpu(leaf->hdr.count);
-		*totallen = be16_to_cpu(leaf->hdr.namebytes);
-		retval = 0;
-	}
-	xfs_da_buf_done(bp);
-	return(retval);
-}
-
-/*
- * Look up a name in a leaf directory structure.
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_lookup(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	xfs_da_brelse(args->trans, bp);
-	return(retval);
-}
-
-/*
- * Copy out directory entries for getdents(), for leaf directories.
- */
-STATIC int
-xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio,
-				  int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put)
-{
-	xfs_dabuf_t *bp;
-	int retval, eob;
-
-	retval = xfs_da_read_buf(dp->i_transp, dp, 0, -1, &bp, XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_getdents_int(bp, dp, 0, uio, &eob, dbp, put, -1);
-	xfs_da_brelse(trans, bp);
-	*eofp = (eob == 0);
-	return(retval);
-}
-
-/*
- * Look up a name in a leaf directory structure, replace the inode number.
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_replace(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-	xfs_ino_t inum;
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-
-	inum = args->inumber;
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == EEXIST) {
-		leaf = bp->data;
-		entry = &leaf->entries[index];
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		/* XXX - replace assert? */
-		XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber);
-		xfs_da_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber)));
-		xfs_da_buf_done(bp);
-		retval = 0;
-	} else
-		xfs_da_brelse(args->trans, bp);
-	return(retval);
-}
-
-
-/*========================================================================
- * External routines when dirsize > XFS_LBSIZE(mp).
- *========================================================================*/
-
-/*
- * Add a name to a Btree-format directory.
- *
- * This will involve walking down the Btree, and may involve splitting
- * leaf nodes and even splitting intermediate nodes up to and including
- * the root node (a special case of an intermediate node).
- */
-STATIC int
-xfs_dir_node_addname(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	int retval, error;
-
-	/*
-	 * Fill in bucket of arguments/results/context to carry around.
-	 */
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name already exists, and get back a pointer
-	 * to where it should go.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error)
-		retval = error;
-	if (retval != ENOENT)
-		goto error;
-	blk = &state->path.blk[ state->path.active-1 ];
-	ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_add(blk->bp, args, blk->index);
-	if (retval == 0) {
-		/*
-		 * Addition succeeded, update Btree hashvals.
-		 */
-		if (!args->justcheck)
-			xfs_da_fixhashpath(state, &state->path);
-	} else {
-		/*
-		 * Addition failed, split as many Btree elements as required.
-		 */
-		if (args->total == 0) {
-			ASSERT(retval == ENOSPC);
-			goto error;
-		}
-		retval = xfs_da_split(state);
-	}
-error:
-	xfs_da_state_free(state);
-
-	return(retval);
-}
-
-/*
- * Remove a name from a B-tree directory.
- *
- * This will involve walking down the Btree, and may involve joining
- * leaf nodes and even joining intermediate nodes up to and including
- * the root node (a special case of an intermediate node).
- */
-STATIC int
-xfs_dir_node_removename(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	int retval, error;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name exists, and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error)
-		retval = error;
-	if (retval != EEXIST) {
-		xfs_da_state_free(state);
-		return(retval);
-	}
-
-	/*
-	 * Remove the name and update the hashvals in the tree.
-	 */
-	blk = &state->path.blk[ state->path.active-1 ];
-	ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_remove(args->trans, blk->bp, blk->index);
-	xfs_da_fixhashpath(state, &state->path);
-
-	/*
-	 * Check to see if the tree needs to be collapsed.
-	 */
-	error = 0;
-	if (retval) {
-		error = xfs_da_join(state);
-	}
-
-	xfs_da_state_free(state);
-	if (error)
-		return(error);
-	return(0);
-}
-
-/*
- * Look up a filename in a int directory.
- * Use an internal routine to actually do all the work.
- */
-STATIC int
-xfs_dir_node_lookup(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	int retval, error, i;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name exists,
-	 * and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error) {
-		retval = error;
-	}
-
-	/*
-	 * If not in a transaction, we have to release all the buffers.
-	 */
-	for (i = 0; i < state->path.active; i++) {
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-
-	xfs_da_state_free(state);
-	return(retval);
-}
-
-STATIC int
-xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio,
-				  int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put)
-{
-	xfs_da_intnode_t *node;
-	xfs_da_node_entry_t *btree;
-	xfs_dir_leafblock_t *leaf = NULL;
-	xfs_dablk_t bno, nextbno;
-	xfs_dahash_t cookhash;
-	xfs_mount_t *mp;
-	int error, eob, i;
-	xfs_dabuf_t *bp;
-	xfs_daddr_t nextda;
-
-	/*
-	 * Pick up our context.
-	 */
-	mp = dp->i_mount;
-	bp = NULL;
-	bno = XFS_DA_COOKIE_BNO(mp, uio->uio_offset);
-	cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset);
-
-	xfs_dir_trace_g_du("node: start", dp, uio);
-
-	/*
-	 * Re-find our place, even if we're confused about what our place is.
-	 *
-	 * First we check the block number from the magic cookie, it is a
-	 * cache of where we ended last time.  If we find a leaf block, and
-	 * the starting hashval in that block is less than our desired
-	 * hashval, then we run with it.
-	 */
-	if (bno > 0) {
-		error = xfs_da_read_buf(trans, dp, bno, -2, &bp, XFS_DATA_FORK);
-		if ((error != 0) && (error != EFSCORRUPTED))
-			return(error);
-		if (bp)
-			leaf = bp->data;
-		if (bp && be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC) {
-			xfs_dir_trace_g_dub("node: block not a leaf",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-		if (bp && be32_to_cpu(leaf->entries[0].hashval) > cookhash) {
-			xfs_dir_trace_g_dub("node: leaf hash too large",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-		if (bp && cookhash > be32_to_cpu(leaf->entries[
-					be16_to_cpu(leaf->hdr.count) - 1].hashval)) {
-			xfs_dir_trace_g_dub("node: leaf hash too small",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-	}
-
-	/*
-	 * If we did not find a leaf block from the blockno in the cookie,
-	 * or we there was no blockno in the cookie (eg: first time thru),
-	 * the we start at the top of the Btree and re-find our hashval.
-	 */
-	if (bp == NULL) {
-		xfs_dir_trace_g_du("node: start at root" , dp, uio);
-		bno = 0;
-		for (;;) {
-			error = xfs_da_read_buf(trans, dp, bno, -1, &bp,
-						       XFS_DATA_FORK);
-			if (error)
-				return(error);
-			if (bp == NULL)
-				return(XFS_ERROR(EFSCORRUPTED));
-			node = bp->data;
-			if (be16_to_cpu(node->hdr.info.magic) != XFS_DA_NODE_MAGIC)
-				break;
-			btree = &node->btree[0];
-			xfs_dir_trace_g_dun("node: node detail", dp, uio, node);
-			for (i = 0; i < be16_to_cpu(node->hdr.count); btree++, i++) {
-				if (be32_to_cpu(btree->hashval) >= cookhash) {
-					bno = be32_to_cpu(btree->before);
-					break;
-				}
-			}
-			if (i == be16_to_cpu(node->hdr.count)) {
-				xfs_da_brelse(trans, bp);
-				xfs_dir_trace_g_du("node: hash beyond EOF",
-							  dp, uio);
-				uio->uio_offset = XFS_DA_MAKE_COOKIE(mp, 0, 0,
-							     XFS_DA_MAXHASH);
-				*eofp = 1;
-				return(0);
-			}
-			xfs_dir_trace_g_dub("node: going to block",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-		}
-	}
-	ASSERT(cookhash != XFS_DA_MAXHASH);
-
-	/*
-	 * We've dropped down to the (first) leaf block that contains the
-	 * hashval we are interested in.  Continue rolling upward thru the
-	 * leaf blocks until we fill up our buffer.
-	 */
-	for (;;) {
-		leaf = bp->data;
-		if (unlikely(be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC)) {
-			xfs_dir_trace_g_dul("node: not a leaf", dp, uio, leaf);
-			xfs_da_brelse(trans, bp);
-			XFS_CORRUPTION_ERROR("xfs_dir_node_getdents(1)",
-					     XFS_ERRLEVEL_LOW, mp, leaf);
-			return XFS_ERROR(EFSCORRUPTED);
-		}
-		xfs_dir_trace_g_dul("node: leaf detail", dp, uio, leaf);
-		if ((nextbno = be32_to_cpu(leaf->hdr.info.forw))) {
-			nextda = xfs_da_reada_buf(trans, dp, nextbno,
-						  XFS_DATA_FORK);
-		} else
-			nextda = -1;
-		error = xfs_dir_leaf_getdents_int(bp, dp, bno, uio, &eob, dbp,
-						  put, nextda);
-		xfs_da_brelse(trans, bp);
-		bno = nextbno;
-		if (eob) {
-			xfs_dir_trace_g_dub("node: E-O-B", dp, uio, bno);
-			*eofp = 0;
-			return(error);
-		}
-		if (bno == 0)
-			break;
-		error = xfs_da_read_buf(trans, dp, bno, nextda, &bp,
-					XFS_DATA_FORK);
-		if (error)
-			return(error);
-		if (unlikely(bp == NULL)) {
-			XFS_ERROR_REPORT("xfs_dir_node_getdents(2)",
-					 XFS_ERRLEVEL_LOW, mp);
-			return(XFS_ERROR(EFSCORRUPTED));
-		}
-	}
-	*eofp = 1;
-	xfs_dir_trace_g_du("node: E-O-F", dp, uio);
-	return(0);
-}
-
-/*
- * Look up a filename in an int directory, replace the inode number.
- * Use an internal routine to actually do the lookup.
- */
-STATIC int
-xfs_dir_node_replace(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	xfs_ino_t inum;
-	int retval, error, i;
-	xfs_dabuf_t *bp;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-	inum = args->inumber;
-
-	/*
-	 * Search to see if name exists,
-	 * and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error) {
-		retval = error;
-	}
-
-	if (retval == EEXIST) {
-		blk = &state->path.blk[state->path.active - 1];
-		ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-		bp = blk->bp;
-		leaf = bp->data;
-		entry = &leaf->entries[blk->index];
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		/* XXX - replace assert ? */
-		XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber);
-		xfs_da_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber)));
-		xfs_da_buf_done(bp);
-		blk->bp = NULL;
-		retval = 0;
-	} else {
-		i = state->path.active - 1;
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-	for (i = 0; i < state->path.active - 1; i++) {
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-
-	xfs_da_state_free(state);
-	return(retval);
-}
-
-#if defined(XFS_DIR_TRACE)
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_du(char *where, xfs_inode_t *dp, uio_t *uio)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DU, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     NULL, NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dub(char *where, xfs_inode_t *dp, uio_t *uio, xfs_dablk_t bno)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUB, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)bno,
-		     NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dun(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_da_intnode_t *node)
-{
-	int	last = be16_to_cpu(node->hdr.count) - 1;
-
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUN, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(node->hdr.info.forw),
-		     (void *)(unsigned long)
-			be16_to_cpu(node->hdr.count),
-		     (void *)(unsigned long)
-			be32_to_cpu(node->btree[0].hashval),
-		     (void *)(unsigned long)
-			be32_to_cpu(node->btree[last].hashval),
-		     NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dul(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_dir_leafblock_t *leaf)
-{
-	int	last = be16_to_cpu(leaf->hdr.count) - 1;
-
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUL, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(leaf->hdr.info.forw),
-		     (void *)(unsigned long)be16_to_cpu(leaf->hdr.count),
-		     (void *)(unsigned long)be32_to_cpu(leaf->entries[0].hashval),
-		     (void *)(unsigned long)be32_to_cpu(leaf->entries[last].hashval),
-		     NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_due(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_dir_leaf_entry_t *entry)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUE, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(entry->hashval),
-		     NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_duc(char *where, xfs_inode_t *dp, uio_t *uio, xfs_off_t cookie)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUC, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)((unsigned long)(cookie >> 32)),
-		     (void *)((unsigned long)(cookie & 0xFFFFFFFF)),
-		     NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for the arguments given to the routine,
- * generic form.
- */
-void
-xfs_dir_trace_enter(int type, char *where,
-			void * a0, void * a1,
-			void * a2, void * a3,
-			void * a4, void * a5,
-			void * a6, void * a7,
-			void * a8, void * a9,
-			void * a10, void * a11)
-{
-	ASSERT(xfs_dir_trace_buf);
-	ktrace_enter(xfs_dir_trace_buf, (void *)(unsigned long)type,
-					(void *)where,
-					(void *)a0, (void *)a1, (void *)a2,
-					(void *)a3, (void *)a4, (void *)a5,
-					(void *)a6, (void *)a7, (void *)a8,
-					(void *)a9, (void *)a10, (void *)a11,
-					NULL, NULL);
-}
-#endif	/* XFS_DIR_TRACE */