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authorVyacheslav Dubeyko <slava@dubeyko.com>2013-02-28 05:03:04 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-28 07:10:10 +0400
commit324ef39a8a4f693035d63527f16100ed27310ecc (patch)
tree1814515cf6139fe1b4ebae8d6641c9ec6293d396 /fs/hfsplus/brec.c
parent127e5f5ae51eff44c9bff673f24e8587caa4e29f (diff)
downloadlinux-324ef39a8a4f693035d63527f16100ed27310ecc.tar.xz
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>
Diffstat (limited to 'fs/hfsplus/brec.c')
-rw-r--r--fs/hfsplus/brec.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c
index 2a734cfccc92..298d4e45604b 100644
--- a/fs/hfsplus/brec.c
+++ b/fs/hfsplus/brec.c
@@ -36,7 +36,8 @@ u16 hfs_brec_keylen(struct hfs_bnode *node, u16 rec)
return 0;
if ((node->type == HFS_NODE_INDEX) &&
- !(node->tree->attributes & HFS_TREE_VARIDXKEYS)) {
+ !(node->tree->attributes & HFS_TREE_VARIDXKEYS) &&
+ (node->tree->cnid != HFSPLUS_ATTR_CNID)) {
retval = node->tree->max_key_len + 2;
} else {
recoff = hfs_bnode_read_u16(node,
@@ -151,12 +152,13 @@ skip:
/* get index key */
hfs_bnode_read_key(new_node, fd->search_key, 14);
- __hfs_brec_find(fd->bnode, fd);
+ __hfs_brec_find(fd->bnode, fd, hfs_find_rec_by_key);
hfs_bnode_put(new_node);
new_node = NULL;
- if (tree->attributes & HFS_TREE_VARIDXKEYS)
+ if ((tree->attributes & HFS_TREE_VARIDXKEYS) ||
+ (tree->cnid == HFSPLUS_ATTR_CNID))
key_len = be16_to_cpu(fd->search_key->key_len) + 2;
else {
fd->search_key->key_len =
@@ -201,7 +203,7 @@ again:
hfs_bnode_put(node);
node = fd->bnode = parent;
- __hfs_brec_find(node, fd);
+ __hfs_brec_find(node, fd, hfs_find_rec_by_key);
goto again;
}
hfs_bnode_write_u16(node,
@@ -367,12 +369,13 @@ again:
parent = hfs_bnode_find(tree, node->parent);
if (IS_ERR(parent))
return PTR_ERR(parent);
- __hfs_brec_find(parent, fd);
+ __hfs_brec_find(parent, fd, hfs_find_rec_by_key);
hfs_bnode_dump(parent);
rec = fd->record;
/* size difference between old and new key */
- if (tree->attributes & HFS_TREE_VARIDXKEYS)
+ if ((tree->attributes & HFS_TREE_VARIDXKEYS) ||
+ (tree->cnid == HFSPLUS_ATTR_CNID))
newkeylen = hfs_bnode_read_u16(node, 14) + 2;
else
fd->keylength = newkeylen = tree->max_key_len + 2;
@@ -427,7 +430,7 @@ skip:
hfs_bnode_read_key(new_node, fd->search_key, 14);
cnid = cpu_to_be32(new_node->this);
- __hfs_brec_find(fd->bnode, fd);
+ __hfs_brec_find(fd->bnode, fd, hfs_find_rec_by_key);
hfs_brec_insert(fd, &cnid, sizeof(cnid));
hfs_bnode_put(fd->bnode);
hfs_bnode_put(new_node);
@@ -495,13 +498,15 @@ static int hfs_btree_inc_height(struct hfs_btree *tree)
/* insert old root idx into new root */
node->parent = tree->root;
if (node->type == HFS_NODE_LEAF ||
- tree->attributes & HFS_TREE_VARIDXKEYS)
+ tree->attributes & HFS_TREE_VARIDXKEYS ||
+ tree->cnid == HFSPLUS_ATTR_CNID)
key_size = hfs_bnode_read_u16(node, 14) + 2;
else
key_size = tree->max_key_len + 2;
hfs_bnode_copy(new_node, 14, node, 14, key_size);
- if (!(tree->attributes & HFS_TREE_VARIDXKEYS)) {
+ if (!(tree->attributes & HFS_TREE_VARIDXKEYS) &&
+ (tree->cnid != HFSPLUS_ATTR_CNID)) {
key_size = tree->max_key_len + 2;
hfs_bnode_write_u16(new_node, 14, tree->max_key_len);
}