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| author | Chris Mason <chris.mason@oracle.com> | 2007-04-17 15:39:32 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-04-17 15:39:32 -0400 |
| commit | 70b2befd0c8a4064715d8b340270650cc9d15af8 (patch) | |
| tree | 81171607c9ddf501e5c0233dc24d20d1a5b19858 /fs/btrfs/dir-item.c | |
| parent | b18c6685810af8e6763760711aece31ccc7a8ea8 (diff) | |
| download | linux-70b2befd0c8a4064715d8b340270650cc9d15af8.tar.bz2 | |
Btrfs: rework csums and extent item ordering
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/dir-item.c')
| -rw-r--r-- | fs/btrfs/dir-item.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 0ba46bc0da9a..cd4137a8b87e 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -103,7 +103,7 @@ int btrfs_lookup_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); - btrfs_set_key_overflow(&key, BTRFS_KEY_OVERFLOW_MAX - 1); + // btrfs_set_key_overflow(&key, BTRFS_KEY_OVERFLOW_MAX - 1); ret = btrfs_name_hash(name, name_len, &key.offset); BUG_ON(ret); while(1) { @@ -146,19 +146,29 @@ int btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans, int cow = mod != 0; struct btrfs_disk_key *found_key; struct btrfs_leaf *leaf; + int overflow = 0; key.objectid = dir; key.flags = 0; btrfs_set_key_type(&key, BTRFS_DIR_INDEX_KEY); - btrfs_set_key_overflow(&key, BTRFS_KEY_OVERFLOW_MAX - 1); key.offset = objectid; - ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); - if (ret < 0) - return ret; - if (ret > 0) { - if (path->slots[0] == 0) - return 1; - path->slots[0]--; + + while(1) { + btrfs_set_key_overflow(&key, overflow); + ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow); + if (ret < 0) + return ret; + if (ret > 0) { + if (overflow >= BTRFS_KEY_OVERFLOW_MAX) + return 1; + overflow++; + btrfs_set_key_overflow(&key, overflow); + btrfs_release_path(root, path); + continue; + } else { + /* found */ + break; + } } leaf = btrfs_buffer_leaf(path->nodes[0]); found_key = &leaf->items[path->slots[0]].key; |