From 324ef39a8a4f693035d63527f16100ed27310ecc Mon Sep 17 00:00:00 2001
From: Vyacheslav Dubeyko <slava@dubeyko.com>
Date: Wed, 27 Feb 2013 17:03:04 -0800
Subject: hfsplus: add support of manipulation by attributes file

Add support of manipulation by attributes file.

Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Reported-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/hfsplus/btree.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'fs/hfsplus/btree.c')

diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index 685d07d0ed18..efb689c21a95 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -98,6 +98,14 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
 			set_bit(HFSPLUS_SB_CASEFOLD, &HFSPLUS_SB(sb)->flags);
 		}
 		break;
+	case HFSPLUS_ATTR_CNID:
+		if (tree->max_key_len != HFSPLUS_ATTR_KEYLEN - sizeof(u16)) {
+			printk(KERN_ERR "hfs: invalid attributes max_key_len %d\n",
+				tree->max_key_len);
+			goto fail_page;
+		}
+		tree->keycmp = hfsplus_attr_bin_cmp_key;
+		break;
 	default:
 		printk(KERN_ERR "hfs: unknown B*Tree requested\n");
 		goto fail_page;
-- 
cgit v1.2.3