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SubjectRe: [PATCH 1/3] fs/ntfs3: Refactoring of indx_find function
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On Fri, 2022-05-27 at 17:21 +0300, Almaz Alexandrovich wrote:
> This commit makes function a bit more readable

trivia:

> diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
[]
> @@ -1042,19 +1042,16 @@ int indx_find(struct ntfs_index *indx, struct ntfs_inode *ni,
> {
> int err;
> struct NTFS_DE *e;
> - const struct INDEX_HDR *hdr;
> struct indx_node *node;
>
> if (!root)
> root = indx_get_root(&ni->dir, ni, NULL, NULL);
>
> if (!root) {
> - err = -EINVAL;
> - goto out;
> + /* Should not happed. */
> + return -EINVAL;

s/happed/happen/

> for (;;) {
> node = NULL;
> if (*diff >= 0 || !de_has_vcn_ex(e)) {
> *entry = e;
> - goto out;
> + return 0;
> }

might be nicer with a break; or a while like

while (*diff < 0 && de_has_vcn_ex(e)) {
node = NULL;


> /* Read next level. */
> err = indx_read(indx, ni, de_get_vbn(e), &node);
> if (err)
> - goto out;
> + return err;
>
> /* Lookup entry that is <= to the search value. */
> e = hdr_find_e(indx, &node->index->ihdr, key, key_len, ctx,
> diff);
> if (!e) {
> - err = -EINVAL;
> put_indx_node(node);
> - goto out;
> + return -EINVAL;
> }
>
> fnd_push(fnd, node, e);
> }
> -
> -out:
> - return err;

and a return 0;

or
*entry = e;
return 0;

so it appears that the function has a typical return value.

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