diff options
-rw-r--r-- | drivers/md/md-bitmap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index b10c51988c8e..55b757a223a4 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -357,11 +357,12 @@ static int read_page(struct file *file, unsigned long index, struct inode *inode = file_inode(file); struct buffer_head *bh; sector_t block, blk_cur; + unsigned long blocksize = i_blocksize(inode); pr_debug("read bitmap file (%dB @ %llu)\n", (int)PAGE_SIZE, (unsigned long long)index << PAGE_SHIFT); - bh = alloc_page_buffers(page, 1<<inode->i_blkbits, false); + bh = alloc_page_buffers(page, blocksize, false); if (!bh) { ret = -ENOMEM; goto out; @@ -383,10 +384,10 @@ static int read_page(struct file *file, unsigned long index, bh->b_blocknr = block; bh->b_bdev = inode->i_sb->s_bdev; - if (count < (1<<inode->i_blkbits)) + if (count < blocksize) count = 0; else - count -= (1<<inode->i_blkbits); + count -= blocksize; bh->b_end_io = end_bitmap_write; bh->b_private = bitmap; |