forked from Minki/linux
cramfs: use bdev_nr_bytes instead of open coding it
Use the proper helper to read the block device size. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20211018101130.1838532-14-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -209,7 +209,7 @@ static void *cramfs_blkdev_read(struct super_block *sb, unsigned int offset,
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return read_buffers[i] + blk_offset;
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}
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devsize = mapping->host->i_size >> PAGE_SHIFT;
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devsize = bdev_nr_bytes(sb->s_bdev) >> PAGE_SHIFT;
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/* Ok, read in BLKS_PER_BUF pages completely first. */
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for (i = 0; i < BLKS_PER_BUF; i++) {
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