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authorDavid Elliott <elliott@stcnet.com>2006-01-19 04:43:08 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-19 06:20:23 +0300
commit2179d372d9f8b5fc5c189c89bc6a565a42151b23 (patch)
tree2b09f55702890e7edbae9b9e396bfe958f53608a /fs/hfsplus/btree.c
parent7cf3cc3036cb7b1147350bf7c3f1ab98c160eb7b (diff)
downloadlinux-2179d372d9f8b5fc5c189c89bc6a565a42151b23.tar.xz
[PATCH] hfs: add HFSX support
Add support for HFSX, which allows for case-sensitive filenames. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/hfsplus/btree.c')
-rw-r--r--fs/hfsplus/btree.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index 671290663838..a67edfa34e9e 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -31,17 +31,8 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
init_MUTEX(&tree->tree_lock);
spin_lock_init(&tree->hash_lock);
- /* Set the correct compare function */
tree->sb = sb;
tree->cnid = id;
- if (id == HFSPLUS_EXT_CNID) {
- tree->keycmp = hfsplus_ext_cmp_key;
- } else if (id == HFSPLUS_CAT_CNID) {
- tree->keycmp = hfsplus_cat_cmp_key;
- } else {
- printk(KERN_ERR "hfs: unknown B*Tree requested\n");
- goto free_tree;
- }
tree->inode = iget(sb, id);
if (!tree->inode)
goto free_tree;
@@ -64,6 +55,20 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
tree->max_key_len = be16_to_cpu(head->max_key_len);
tree->depth = be16_to_cpu(head->depth);
+ /* Set the correct compare function */
+ if (id == HFSPLUS_EXT_CNID) {
+ tree->keycmp = hfsplus_ext_cmp_key;
+ } else if (id == HFSPLUS_CAT_CNID) {
+ if ((HFSPLUS_SB(sb).flags & HFSPLUS_SB_HFSX) &&
+ (head->key_type == HFSPLUS_KEY_BINARY))
+ tree->keycmp = hfsplus_cat_bin_cmp_key;
+ else
+ tree->keycmp = hfsplus_cat_case_cmp_key;
+ } else {
+ printk(KERN_ERR "hfs: unknown B*Tree requested\n");
+ goto fail_page;
+ }
+
size = tree->node_size;
if (!size || size & (size - 1))
goto fail_page;