[PATCH 4.9 32/77] md/bitmap: disable bitmap_resize for file-backed bitmaps.

4.9-stable review patch. If anyone has any objections, please let me know. -- From: NeilBrown commit e8a27f836f165c26f867ece7f31eb5c811692319 upstream. bitmap_resize() does not work for file-backed bitmaps. The buffer_heads are allocated and initialized when

[PATCH 4.9 32/77] md/bitmap: disable bitmap_resize for file-backed bitmaps.

4.9-stable review patch. If anyone has any objections, please let me know. -- From: NeilBrown commit e8a27f836f165c26f867ece7f31eb5c811692319 upstream. bitmap_resize() does not work for file-backed bitmaps. The buffer_heads are allocated and initialized when the bitmap is