diff options
Diffstat (limited to 'fs/ntfs3/bitmap.c')
| -rw-r--r-- | fs/ntfs3/bitmap.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index aa184407520f..e92bbd754365 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -51,11 +51,6 @@ void ntfs3_exit_bitmap(void) kmem_cache_destroy(ntfs_enode_cachep); } -static inline u32 wnd_bits(const struct wnd_bitmap *wnd, size_t i) -{ - return i + 1 == wnd->nwnd ? wnd->bits_last : wnd->sb->s_blocksize * 8; -} - /* * wnd_scan * @@ -565,7 +560,7 @@ static int wnd_rescan(struct wnd_bitmap *wnd) buf = (ulong *)bh->b_data; - used = __bitmap_weight(buf, wbits); + used = bitmap_weight(buf, wbits); if (used < wbits) { frb = wbits - used; wnd->free_bits[iw] = frb; @@ -1333,9 +1328,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) if (!new_free) return -ENOMEM; - if (new_free != wnd->free_bits) - memcpy(new_free, wnd->free_bits, - wnd->nwnd * sizeof(short)); + memcpy(new_free, wnd->free_bits, wnd->nwnd * sizeof(short)); memset(new_free + wnd->nwnd, 0, (new_wnd - wnd->nwnd) * sizeof(short)); kfree(wnd->free_bits); @@ -1371,7 +1364,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) buf = (ulong *)bh->b_data; __bitmap_clear(buf, b0, blocksize * 8 - b0); - frb = wbits - __bitmap_weight(buf, wbits); + frb = wbits - bitmap_weight(buf, wbits); wnd->total_zeroes += frb - wnd->free_bits[iw]; wnd->free_bits[iw] = frb; @@ -1395,9 +1388,8 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits) void wnd_zone_set(struct wnd_bitmap *wnd, size_t lcn, size_t len) { - size_t zlen; + size_t zlen = wnd->zone_end - wnd->zone_bit; - zlen = wnd->zone_end - wnd->zone_bit; if (zlen) wnd_add_free_ext(wnd, wnd->zone_bit, zlen, false); |