diff options
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index e61e0efe9ec7..9620d452d030 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -255,19 +255,25 @@ static struct page *read_sb_page(mddev_t *mddev, long offset, unsigned long inde } -static int write_sb_page(mddev_t *mddev, long offset, struct page *page, int wait) +static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait) { mdk_rdev_t *rdev; struct list_head *tmp; + mddev_t *mddev = bitmap->mddev; ITERATE_RDEV(mddev, rdev, tmp) if (test_bit(In_sync, &rdev->flags) - && !test_bit(Faulty, &rdev->flags)) + && !test_bit(Faulty, &rdev->flags)) { + int size = PAGE_SIZE; + if (page->index == bitmap->file_pages-1) + size = roundup(bitmap->last_page_size, + bdev_hardsect_size(rdev->bdev)); md_super_write(mddev, rdev, - (rdev->sb_offset<<1) + offset + (rdev->sb_offset<<1) + bitmap->offset + page->index * (PAGE_SIZE/512), - PAGE_SIZE, + size, page); + } if (wait) md_super_wait(mddev); @@ -282,7 +288,7 @@ static int write_page(struct bitmap *bitmap, struct page *page, int wait) struct buffer_head *bh; if (bitmap->file == NULL) - return write_sb_page(bitmap->mddev, bitmap->offset, page, wait); + return write_sb_page(bitmap, page, wait); bh = page_buffers(page); @@ -923,6 +929,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) } bitmap->filemap[bitmap->file_pages++] = page; + bitmap->last_page_size = count; } paddr = kmap_atomic(page, KM_USER0); if (bitmap->flags & BITMAP_HOSTENDIAN) @@ -1456,10 +1463,10 @@ int bitmap_create(mddev_t *mddev) bitmap->offset = mddev->bitmap_offset; if (file) { get_file(file); - do_sync_file_range(file, 0, LLONG_MAX, - SYNC_FILE_RANGE_WAIT_BEFORE | - SYNC_FILE_RANGE_WRITE | - SYNC_FILE_RANGE_WAIT_AFTER); + do_sync_mapping_range(file->f_mapping, 0, LLONG_MAX, + SYNC_FILE_RANGE_WAIT_BEFORE | + SYNC_FILE_RANGE_WRITE | + SYNC_FILE_RANGE_WAIT_AFTER); } /* read superblock from bitmap file (this sets bitmap->chunksize) */ err = bitmap_read_sb(bitmap); |