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Mountable btrfs, with readdir

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-22 12:13:20 -04:00
committed by David Woodhouse
parent 2e635a2783
commit e20d96d64f
14 changed files with 659 additions and 498 deletions
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17
fs/btrfs/dir-item.c
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@@ -18,12 +18,7 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
key.objectid = dir;
key.flags = 0;
btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
if (name_len == 1 && *name == '.')
key.offset = 1;
else if (name_len == 2 && name[0] == '.' && name[1] == '.')
key.offset = 2;
else
ret = btrfs_name_hash(name, name_len, &key.offset);
ret = btrfs_name_hash(name, name_len, &key.offset);
BUG_ON(ret);
btrfs_init_path(&path);
data_size = sizeof(*dir_item) + name_len;
@@ -31,7 +26,8 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
if (ret)
goto out;
dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path.nodes[0]),
path.slots[0],
struct btrfs_dir_item);
btrfs_set_dir_objectid(dir_item, objectid);
btrfs_set_dir_type(dir_item, type);
@@ -45,8 +41,8 @@ out:
}
int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
*root, struct btrfs_path *path, u64 dir, char *name,
int name_len, int mod)
*root, struct btrfs_path *path, u64 dir,
const char *name, int name_len, int mod)
{
int ret;
struct btrfs_key key;
@@ -69,7 +65,8 @@ int btrfs_match_dir_item_name(struct btrfs_root *root,
struct btrfs_dir_item *dir_item;
char *name_ptr;
dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
dir_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
path->slots[0],
struct btrfs_dir_item);
if (btrfs_dir_name_len(dir_item) != name_len)
return 0;