예제 #1
0
/*
 * Replace the inode number of a directory entry.
 */
int
xfs_dir_replace(
	xfs_trans_t	*tp,
	xfs_inode_t	*dp,
	struct xfs_name	*name,		/* name of entry to replace */
	xfs_ino_t	inum,		/* new inode number */
	xfs_fsblock_t	*first,		/* bmap's firstblock */
	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
	xfs_extlen_t	total)		/* bmap's total block count */
{
	xfs_da_args_t	args;
	int		rval;
	int		v;		/* type-checking value */

	ASSERT(S_ISDIR(dp->i_d.di_mode));

	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
		return rval;

	memset(&args, 0, sizeof(xfs_da_args_t));
	args.name = name->name;
	args.namelen = name->len;
	args.filetype = name->type;
	args.hashval = dp->i_mount->m_dirnameops->hashname(name);
	args.inumber = inum;
	args.dp = dp;
	args.firstblock = first;
	args.flist = flist;
	args.total = total;
	args.whichfork = XFS_DATA_FORK;
	args.trans = tp;

	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
		rval = xfs_dir2_sf_replace(&args);
	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
		return rval;
	else if (v)
		rval = xfs_dir2_block_replace(&args);
	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
		return rval;
	else if (v)
		rval = xfs_dir2_leaf_replace(&args);
	else
		rval = xfs_dir2_node_replace(&args);
	return rval;
}
예제 #2
0
/*
 * Replace the inode number of a directory entry.
 */
int
xfs_dir_replace(
	xfs_trans_t	*tp,
	xfs_inode_t	*dp,
	char		*name,		/* name of entry to replace */
	int		namelen,
	xfs_ino_t	inum,		/* new inode number */
	xfs_fsblock_t	*first,		/* bmap's firstblock */
	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
	xfs_extlen_t	total)		/* bmap's total block count */
{
	xfs_da_args_t	args;
	int		rval;
	int		v;		/* type-checking value */

	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);

	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
		return rval;

	args.name = name;
	args.namelen = namelen;
	args.hashval = xfs_da_hashname(name, namelen);
	args.inumber = inum;
	args.dp = dp;
	args.firstblock = first;
	args.flist = flist;
	args.total = total;
	args.whichfork = XFS_DATA_FORK;
	args.trans = tp;
	args.justcheck = args.addname = args.oknoent = 0;

	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
		rval = xfs_dir2_sf_replace(&args);
	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
		return rval;
	else if (v)
		rval = xfs_dir2_block_replace(&args);
	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
		return rval;
	else if (v)
		rval = xfs_dir2_leaf_replace(&args);
	else
		rval = xfs_dir2_node_replace(&args);
	return rval;
}
예제 #3
0
파일: xfs_dir2.c 프로젝트: 3null/linux
/*
 * Replace the inode number of a directory entry.
 */
int
xfs_dir_replace(
	xfs_trans_t	*tp,
	xfs_inode_t	*dp,
	struct xfs_name	*name,		/* name of entry to replace */
	xfs_ino_t	inum,		/* new inode number */
	xfs_fsblock_t	*first,		/* bmap's firstblock */
	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
	xfs_extlen_t	total)		/* bmap's total block count */
{
	struct xfs_da_args *args;
	int		rval;
	int		v;		/* type-checking value */

	ASSERT(S_ISDIR(dp->i_d.di_mode));

	rval = xfs_dir_ino_validate(tp->t_mountp, inum);
	if (rval)
		return rval;

	args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
	if (!args)
		return -ENOMEM;

	args->geo = dp->i_mount->m_dir_geo;
	args->name = name->name;
	args->namelen = name->len;
	args->filetype = name->type;
	args->hashval = dp->i_mount->m_dirnameops->hashname(name);
	args->inumber = inum;
	args->dp = dp;
	args->firstblock = first;
	args->flist = flist;
	args->total = total;
	args->whichfork = XFS_DATA_FORK;
	args->trans = tp;

	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
		rval = xfs_dir2_sf_replace(args);
		goto out_free;
	}

	rval = xfs_dir2_isblock(args, &v);
	if (rval)
		goto out_free;
	if (v) {
		rval = xfs_dir2_block_replace(args);
		goto out_free;
	}

	rval = xfs_dir2_isleaf(args, &v);
	if (rval)
		goto out_free;
	if (v)
		rval = xfs_dir2_leaf_replace(args);
	else
		rval = xfs_dir2_node_replace(args);
out_free:
	kmem_free(args);
	return rval;
}