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btrfs: use btrfs_for_each_slot in btrfs_search_dir_index_item

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This function can be simplified by refactoring to use the new iterator
macro.  No functional changes.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Signed-off-by: Gabriel Niebler <gniebler@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Gabriel Niebler 2022-03-09 14:50:41 +01:00 committed by David Sterba
parent 9bc5fc0417
commit 9dcbe16fcc
1 changed files with 6 additions and 25 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

31
fs/btrfs/dir-item.c
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@ -325,36 +325,15 @@ btrfs_search_dir_index_item(struct btrfs_root *root,
struct btrfs_path *path, u64 dirid,
const char *name, int name_len)
{
struct extent_buffer *leaf;
struct btrfs_dir_item *di;
struct btrfs_key key;
u32 nritems;
int ret;
key.objectid = dirid;
key.type = BTRFS_DIR_INDEX_KEY;
key.offset = 0;
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0)
return ERR_PTR(ret);
leaf = path->nodes[0];
nritems = btrfs_header_nritems(leaf);
while (1) {
if (path->slots[0] >= nritems) {
ret = btrfs_next_leaf(root, path);
if (ret < 0)
return ERR_PTR(ret);
if (ret > 0)
break;
leaf = path->nodes[0];
nritems = btrfs_header_nritems(leaf);
continue;
}
btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
btrfs_for_each_slot(root, &key, &key, path, ret) {
if (key.objectid != dirid || key.type != BTRFS_DIR_INDEX_KEY)
break;
@ -362,10 +341,12 @@ btrfs_search_dir_index_item(struct btrfs_root *root,
name, name_len);
if (di)
return di;
path->slots[0]++;
}
return NULL;
/* Adjust return code if the key was not found in the next leaf. */
if (ret > 0)
ret = 0;
return ERR_PTR(ret);
}
struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,