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fs/ntfs3: Refactoring of indx_find function

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This commit makes function a bit more readable

Cc: Joe Perches <joe@perches.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov 2022-05-06 19:29:41 +03:00
parent 724bbe49c5
commit b7b6160d0e
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GPG key ID: A9B0331F832407B6
1 changed files with 9 additions and 16 deletions
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25
fs/ntfs3/index.c
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@ -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 happen. */
return -EINVAL;
}
hdr = &root->ihdr;
/* Check cache. */
e = fnd->level ? fnd->de[fnd->level - 1] : fnd->root_de;
if (e && !de_is_last(e) &&
@ -1068,39 +1065,35 @@ int indx_find(struct ntfs_index *indx, struct ntfs_inode *ni,
fnd_clear(fnd);
/* Lookup entry that is <= to the search value. */
e = hdr_find_e(indx, hdr, key, key_len, ctx, diff);
e = hdr_find_e(indx, &root->ihdr, key, key_len, ctx, diff);
if (!e)
return -EINVAL;
fnd->root_de = e;
err = 0;
for (;;) {
node = NULL;
if (*diff >= 0 || !de_has_vcn_ex(e)) {
*entry = e;
goto out;
}
if (*diff >= 0 || !de_has_vcn_ex(e))
break;
/* 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;
*entry = e;
return 0;
}
int indx_find_sort(struct ntfs_index *indx, struct ntfs_inode *ni,