diff options
| -rw-r--r-- | fs/ntfs3/index.c | 50 | ||||
| -rw-r--r-- | fs/ntfs3/ntfs.h | 3 |
2 files changed, 6 insertions, 47 deletions
diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 3ad1ee608e53..4f71a91f07d9 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -671,22 +671,16 @@ static struct NTFS_DE *hdr_find_e(const struct ntfs_index *indx, const struct INDEX_HDR *hdr, const void *key, size_t key_len, const void *ctx, int *diff) { - struct NTFS_DE *e; + struct NTFS_DE *e, *found = NULL; NTFS_CMP_FUNC cmp = indx->cmp; + int min_idx = 0, mid_idx, max_idx = 0; + int diff2; + int table_size = 8; u32 e_size, e_key_len; u32 end = le32_to_cpu(hdr->used); u32 off = le32_to_cpu(hdr->de_off); - -#ifdef NTFS3_INDEX_BINARY_SEARCH - struct NTFS_DE *found = NULL; - int min_idx = 0, mid_idx, max_idx = 0; - int table_size = 8; - int diff2; u16 offs[128]; - if (end > 0x10000) - goto next; - fill_table: if (off + sizeof(struct NTFS_DE) > end) return NULL; @@ -720,7 +714,8 @@ binary_search: return NULL; max_idx = 0; - table_size = min(table_size * 2, 128); + table_size = min(table_size * 2, + (int)ARRAY_SIZE(offs)); goto fill_table; } } else if (diff2 < 0) { @@ -744,39 +739,6 @@ binary_search: e = Add2Ptr(hdr, offs[mid_idx]); goto binary_search; -#endif - -next: - /* - * Entries index are sorted. - * Enumerate all entries until we find entry - * that is <= to the search value. - */ - if (off + sizeof(struct NTFS_DE) > end) - return NULL; - - e = Add2Ptr(hdr, off); - e_size = le16_to_cpu(e->size); - - if (e_size < sizeof(struct NTFS_DE) || off + e_size > end) - return NULL; - - off += e_size; - - e_key_len = le16_to_cpu(e->key_size); - - *diff = (*cmp)(key, key_len, e + 1, e_key_len, ctx); - if (!*diff) - return e; - - if (*diff <= 0) - return e; - - if (de_is_last(e)) { - *diff = 1; - return e; - } - goto next; } /* diff --git a/fs/ntfs3/ntfs.h b/fs/ntfs3/ntfs.h index 695b684bce20..303a162c3158 100644 --- a/fs/ntfs3/ntfs.h +++ b/fs/ntfs3/ntfs.h @@ -21,9 +21,6 @@ /* TODO: Check 4K MFT record and 512 bytes cluster. */ -/* Activate this define to use binary search in indexes. */ -#define NTFS3_INDEX_BINARY_SEARCH - /* Check each run for marked clusters. */ #define NTFS3_CHECK_FREE_CLST |