[PATCH 08/29] fs: use bdev_nr_sectors instead of open coding it in blkdev_max_block

Christoph Hellwig hch at lst.de
Tue Oct 12 22:10:21 PDT 2021


Use the proper helper to read the block device size.

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

diff --git a/fs/buffer.c b/fs/buffer.c
index c615387aedcae..3fb9c5b457ab6 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -878,7 +878,7 @@ link_dev_buffers(struct page *page, struct buffer_head *head)
 static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size)
 {
 	sector_t retval = ~((sector_t)0);
-	loff_t sz = i_size_read(bdev->bd_inode);
+	loff_t sz = bdev_nr_sectors(bdev) << SECTOR_SHIFT;
 
 	if (sz) {
 		unsigned int sizebits = blksize_bits(size);
-- 
2.30.2




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