summaryrefslogtreecommitdiff
path: root/fs/hfs
diff options
context:
space:
mode:
Diffstat (limited to 'fs/hfs')
-rw-r--r--fs/hfs/btree.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 56c6782436e9..2fa4b1f8cc7f 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -80,7 +80,8 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
goto free_inode;
/* Load the header */
- head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
+ head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
+ sizeof(struct hfs_bnode_desc));
tree->root = be32_to_cpu(head->root);
tree->leaf_count = be32_to_cpu(head->leaf_count);
tree->leaf_head = be32_to_cpu(head->leaf_head);
@@ -119,12 +120,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
tree->node_size_shift = ffs(size) - 1;
tree->pages_per_bnode = (tree->node_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- kunmap(page);
+ kunmap_local(head);
put_page(page);
return tree;
fail_page:
- kunmap(page);
+ kunmap_local(head);
put_page(page);
free_inode:
tree->inode->i_mapping->a_ops = &hfs_aops;
@@ -170,7 +171,8 @@ void hfs_btree_write(struct hfs_btree *tree)
return;
/* Load the header */
page = node->page[0];
- head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc));
+ head = (struct hfs_btree_header_rec *)(kmap_local_page(page) +
+ sizeof(struct hfs_bnode_desc));
head->root = cpu_to_be32(tree->root);
head->leaf_count = cpu_to_be32(tree->leaf_count);
@@ -181,7 +183,7 @@ void hfs_btree_write(struct hfs_btree *tree)
head->attributes = cpu_to_be32(tree->attributes);
head->depth = cpu_to_be16(tree->depth);
- kunmap(page);
+ kunmap_local(head);
set_page_dirty(page);
hfs_bnode_put(node);
}
@@ -269,7 +271,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
- data = kmap(*pagep);
+ data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
idx = 0;
@@ -282,7 +284,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
idx += i;
data[off] |= m;
set_page_dirty(*pagep);
- kunmap(*pagep);
+ kunmap_local(data);
tree->free_nodes--;
mark_inode_dirty(tree->inode);
hfs_bnode_put(node);
@@ -291,14 +293,14 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
}
}
if (++off >= PAGE_SIZE) {
- kunmap(*pagep);
- data = kmap(*++pagep);
+ kunmap_local(data);
+ data = kmap_local_page(*++pagep);
off = 0;
}
idx += 8;
len--;
}
- kunmap(*pagep);
+ kunmap_local(data);
nidx = node->next;
if (!nidx) {
printk(KERN_DEBUG "create new bmap node...\n");
@@ -314,7 +316,7 @@ struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree)
off = off16;
off += node->page_offset;
pagep = node->page + (off >> PAGE_SHIFT);
- data = kmap(*pagep);
+ data = kmap_local_page(*pagep);
off &= ~PAGE_MASK;
}
}
@@ -361,20 +363,20 @@ void hfs_bmap_free(struct hfs_bnode *node)
}
off += node->page_offset + nidx / 8;
page = node->page[off >> PAGE_SHIFT];
- data = kmap(page);
+ data = kmap_local_page(page);
off &= ~PAGE_MASK;
m = 1 << (~nidx & 7);
byte = data[off];
if (!(byte & m)) {
pr_crit("trying to free free bnode %u(%d)\n",
node->this, node->type);
- kunmap(page);
+ kunmap_local(data);
hfs_bnode_put(node);
return;
}
data[off] = byte & ~m;
set_page_dirty(page);
- kunmap(page);
+ kunmap_local(data);
hfs_bnode_put(node);
tree->free_nodes++;
mark_inode_dirty(tree->inode);