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Commit 002f8bec authored by Al Viro's avatar Al Viro
Browse files

[readdir] convert hfs



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent f0f49ef5
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+23 −26
Original line number Diff line number Diff line
@@ -51,9 +51,9 @@ done:
/*
 * hfs_readdir
 */
static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
static int hfs_readdir(struct file *file, struct dir_context *ctx)
{
	struct inode *inode = file_inode(filp);
	struct inode *inode = file_inode(file);
	struct super_block *sb = inode->i_sb;
	int len, err;
	char strbuf[HFS_MAX_NAMELEN];
@@ -62,7 +62,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
	struct hfs_readdir_data *rd;
	u16 type;

	if (filp->f_pos >= inode->i_size)
	if (ctx->pos >= inode->i_size)
		return 0;

	err = hfs_find_init(HFS_SB(sb)->cat_tree, &fd);
@@ -73,14 +73,13 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
	if (err)
		goto out;

	switch ((u32)filp->f_pos) {
	case 0:
	if (ctx->pos == 0) {
		/* This is completely artificial... */
		if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR))
		if (!dir_emit_dot(file, ctx))
			goto out;
		filp->f_pos++;
		/* fall through */
	case 1:
		ctx->pos = 1;
	}
	if (ctx->pos == 1) {
		if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) {
			err = -EIO;
			goto out;
@@ -97,18 +96,16 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
		//	err = -EIO;
		//	goto out;
		//}
		if (filldir(dirent, "..", 2, 1,
		if (!dir_emit(ctx, "..", 2,
			    be32_to_cpu(entry.thread.ParID), DT_DIR))
			goto out;
		filp->f_pos++;
		/* fall through */
	default:
		if (filp->f_pos >= inode->i_size)
		ctx->pos = 2;
	}
	if (ctx->pos >= inode->i_size)
		goto out;
		err = hfs_brec_goto(&fd, filp->f_pos - 1);
	err = hfs_brec_goto(&fd, ctx->pos - 1);
	if (err)
		goto out;
	}

	for (;;) {
		if (be32_to_cpu(fd.key->cat.ParID) != inode->i_ino) {
@@ -131,7 +128,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
				err = -EIO;
				goto out;
			}
			if (filldir(dirent, strbuf, len, filp->f_pos,
			if (!dir_emit(ctx, strbuf, len,
				    be32_to_cpu(entry.dir.DirID), DT_DIR))
				break;
		} else if (type == HFS_CDR_FIL) {
@@ -140,7 +137,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
				err = -EIO;
				goto out;
			}
			if (filldir(dirent, strbuf, len, filp->f_pos,
			if (!dir_emit(ctx, strbuf, len,
				    be32_to_cpu(entry.file.FlNum), DT_REG))
				break;
		} else {
@@ -148,22 +145,22 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
			err = -EIO;
			goto out;
		}
		filp->f_pos++;
		if (filp->f_pos >= inode->i_size)
		ctx->pos++;
		if (ctx->pos >= inode->i_size)
			goto out;
		err = hfs_brec_goto(&fd, 1);
		if (err)
			goto out;
	}
	rd = filp->private_data;
	rd = file->private_data;
	if (!rd) {
		rd = kmalloc(sizeof(struct hfs_readdir_data), GFP_KERNEL);
		if (!rd) {
			err = -ENOMEM;
			goto out;
		}
		filp->private_data = rd;
		rd->file = filp;
		file->private_data = rd;
		rd->file = file;
		list_add(&rd->list, &HFS_I(inode)->open_dir_list);
	}
	memcpy(&rd->key, &fd.key, sizeof(struct hfs_cat_key));
@@ -306,7 +303,7 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,

const struct file_operations hfs_dir_operations = {
	.read		= generic_read_dir,
	.readdir	= hfs_readdir,
	.iterate	= hfs_readdir,
	.llseek		= generic_file_llseek,
	.release	= hfs_dir_release,
};