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[PATCH] hfs: add HFSX support

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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>
This commit is contained in:
David Elliott
2006-01-18 17:43:08 -08:00
committed by Linus Torvalds
parent 7cf3cc3036
commit 2179d372d9
8 changed files with 90 additions and 23 deletions
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23
fs/hfsplus/btree.c
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@ -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;