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authorChris Mason <chris.mason@oracle.com>2007-04-02 14:53:59 -0400
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-04-02 14:53:59 -0400
commit7cfcc17e7f2334a0503331264c1340de4e564c85 (patch)
tree4ce6ac8520382673006845ec20b2ad83abc9258a /fs/btrfs/inode-map.c
parent5caf2a002901f0fde475371c4bf1c553b51884af (diff)
downloadop-kernel-dev-7cfcc17e7f2334a0503331264c1340de4e564c85.zip
op-kernel-dev-7cfcc17e7f2334a0503331264c1340de4e564c85.tar.gz
Btrfs: corruptions fixed
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode-map.c')
-rw-r--r--fs/btrfs/inode-map.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index fa4adb8..b3de823 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -10,7 +10,7 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
struct btrfs_root *fs_root,
u64 dirid, u64 *objectid)
{
- struct btrfs_path path;
+ struct btrfs_path *path;
struct btrfs_key key;
int ret;
u64 hole_size = 0;
@@ -31,20 +31,22 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
btrfs_set_key_type(&search_key, BTRFS_INODE_MAP_ITEM_KEY);
search_key.offset = 0;
- btrfs_init_path(&path);
+ path = btrfs_alloc_path();
+ BUG_ON(!path);
+ btrfs_init_path(path);
start_found = 0;
- ret = btrfs_search_slot(trans, root, &search_key, &path, 0, 0);
+ ret = btrfs_search_slot(trans, root, &search_key, path, 0, 0);
if (ret < 0)
goto error;
- if (path.slots[0] > 0)
- path.slots[0]--;
+ if (path->slots[0] > 0)
+ path->slots[0]--;
while (1) {
- l = btrfs_buffer_leaf(path.nodes[0]);
- slot = path.slots[0];
+ l = btrfs_buffer_leaf(path->nodes[0]);
+ slot = path->slots[0];
if (slot >= btrfs_header_nritems(&l->header)) {
- ret = btrfs_next_leaf(root, &path);
+ ret = btrfs_next_leaf(root, path);
if (ret == 0)
continue;
if (ret < 0)
@@ -72,17 +74,19 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
}
start_found = 1;
last_ino = key.objectid + 1;
- path.slots[0]++;
+ path->slots[0]++;
}
// FIXME -ENOSPC
found:
root->fs_info->last_inode_alloc = *objectid;
root->fs_info->last_inode_alloc_dirid = dirid;
- btrfs_release_path(root, &path);
+ btrfs_release_path(root, path);
+ btrfs_free_path(path);
BUG_ON(*objectid < search_start);
return 0;
error:
- btrfs_release_path(root, &path);
+ btrfs_release_path(root, path);
+ btrfs_free_path(path);
return ret;
}
@@ -91,7 +95,7 @@ int btrfs_insert_inode_map(struct btrfs_trans_handle *trans,
u64 objectid, struct btrfs_key *location)
{
int ret = 0;
- struct btrfs_path path;
+ struct btrfs_path *path;
struct btrfs_inode_map_item *inode_item;
struct btrfs_key key;
struct btrfs_root *inode_root = fs_root->fs_info->inode_root;
@@ -100,18 +104,21 @@ int btrfs_insert_inode_map(struct btrfs_trans_handle *trans,
key.flags = 0;
btrfs_set_key_type(&key, BTRFS_INODE_MAP_ITEM_KEY);
key.offset = 0;
- btrfs_init_path(&path);
- ret = btrfs_insert_empty_item(trans, inode_root, &path, &key,
+ path = btrfs_alloc_path();
+ BUG_ON(!path);
+ btrfs_init_path(path);
+ ret = btrfs_insert_empty_item(trans, inode_root, path, &key,
sizeof(struct btrfs_inode_map_item));
if (ret)
goto out;
- inode_item = btrfs_item_ptr(btrfs_buffer_leaf(path.nodes[0]),
- path.slots[0], struct btrfs_inode_map_item);
+ inode_item = btrfs_item_ptr(btrfs_buffer_leaf(path->nodes[0]),
+ path->slots[0], struct btrfs_inode_map_item);
btrfs_cpu_key_to_disk(&inode_item->key, location);
- btrfs_mark_buffer_dirty(path.nodes[0]);
+ btrfs_mark_buffer_dirty(path->nodes[0]);
out:
- btrfs_release_path(inode_root, &path);
+ btrfs_release_path(inode_root, path);
+ btrfs_free_path(path);
return ret;
}
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