[PATCH 12/29] cramfs: use bdev_nr_sectors instead of open coding it

Christoph Hellwig
2021-10-13T05:28:08Z

Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/cramfs/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 2be65269a987c..3e44cc3ed0543 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -209,7 +209,7 @@ static void *cramfs_blkdev_read(struct super_block *sb, unsigned int offset,
return read_buffers[i] + blk_offset;
}

- devsize = mapping->host->i_size >> PAGE_SHIFT;
+ devsize = bdev_nr_sectors(sb->s_bdev) >> (PAGE_SHIFT - SECTOR_SHIFT);

/* Ok, read in BLKS_PER_BUF pages completely first. */
for (i = 0; i < BLKS_PER_BUF; i++) {
--
2.30.2