/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 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/
- */
-
-/*
- * xfs_dir2_node.c
- * XFS directory implementation, version 2, node form files
- * See data structures in xfs_dir2_node.h and xfs_da_btree.h.
+ * 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_macros.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.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_attr_sf.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_da_btree.h"
#include "xfs_dir2_data.h"
#include "xfs_dir2_leaf.h"
#include "xfs_dir2_block.h"
* Initialize the freespace block header.
*/
INT_SET(free->hdr.magic, ARCH_CONVERT, XFS_DIR2_FREE_MAGIC);
- INT_ZERO(free->hdr.firstdb, ARCH_CONVERT);
+ free->hdr.firstdb = 0;
ASSERT(INT_GET(ltp->bestcount, ARCH_CONVERT) <= (uint)dp->i_d.di_size / mp->m_dirblksize);
INT_COPY(free->hdr.nvalid, ltp->bestcount, ARCH_CONVERT);
/*
* Copy freespace entries from the leaf block to the new block.
* Count active entries.
*/
- for (i = n = 0, from = XFS_DIR2_LEAF_BESTS_P_ARCH(ltp, ARCH_CONVERT), to = free->bests;
+ for (i = n = 0, from = XFS_DIR2_LEAF_BESTS_P(ltp), to = free->bests;
i < INT_GET(ltp->bestcount, ARCH_CONVERT); i++, from++, to++) {
if ((off = INT_GET(*from, ARCH_CONVERT)) != NULLDATAOFF)
n++;
*/
if (INT_GET(leaf->hdr.count, ARCH_CONVERT) == XFS_DIR2_MAX_LEAF_ENTS(mp)) {
- if (INT_ISZERO(leaf->hdr.stale, ARCH_CONVERT))
+ if (!leaf->hdr.stale)
return XFS_ERROR(ENOSPC);
compact = INT_GET(leaf->hdr.stale, ARCH_CONVERT) > 1;
} else
/*
* Set impossible logging indices for this case.
*/
- else if (!INT_ISZERO(leaf->hdr.stale, ARCH_CONVERT)) {
+ else if (leaf->hdr.stale) {
lfloglow = INT_GET(leaf->hdr.count, ARCH_CONVERT);
lfloghigh = -1;
}
/*
* No stale entries, just insert a space for the new entry.
*/
- if (INT_ISZERO(leaf->hdr.stale, ARCH_CONVERT)) {
+ if (!leaf->hdr.stale) {
lep = &leaf->ents[index];
if (index < INT_GET(leaf->hdr.count, ARCH_CONVERT))
memmove(lep + 1, lep,
ASSERT(INT_GET(leaf->hdr.info.magic, ARCH_CONVERT) == XFS_DIR2_LEAFN_MAGIC);
if (count)
*count = INT_GET(leaf->hdr.count, ARCH_CONVERT);
- if (INT_ISZERO(leaf->hdr.count, ARCH_CONVERT))
+ if (!leaf->hdr.count)
return 0;
return INT_GET(leaf->ents[INT_GET(leaf->hdr.count, ARCH_CONVERT) - 1].hashval, ARCH_CONVERT);
}
* If the source has stale leaves, count the ones in the copy range
* so we can update the header correctly.
*/
- if (!INT_ISZERO(leaf_s->hdr.stale, ARCH_CONVERT)) {
+ if (leaf_s->hdr.stale) {
int i; /* temp leaf index */
for (i = start_s, stale = 0; i < start_s + count; i++) {
* If there are no useful entries left in the block,
* get rid of the block if we can.
*/
- if (INT_ISZERO(free->hdr.nused, ARCH_CONVERT)) {
+ if (!free->hdr.nused) {
error = xfs_dir2_shrink_inode(args, fdb, fbp);
if (error == 0) {
fbp = NULL;
* Make altpath point to the block we want to keep and
* path point to the block we want to drop (this one).
*/
- forward = !INT_ISZERO(info->forw, ARCH_CONVERT);
+ forward = info->forw;
memcpy(&state->altpath, &state->path, sizeof(state->path));
error = xfs_da_path_shift(state, &state->altpath, forward, 0,
&rval);
INT_SET(free->hdr.firstdb, ARCH_CONVERT,
(fbno - XFS_DIR2_FREE_FIRSTDB(mp)) *
XFS_DIR2_MAX_FREE_BESTS(mp));
- INT_ZERO(free->hdr.nvalid, ARCH_CONVERT);
- INT_ZERO(free->hdr.nused, ARCH_CONVERT);
+ free->hdr.nvalid = 0;
+ free->hdr.nused = 0;
} else {
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);