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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>
This commit is contained in:
Christoph Hellwig 2021-10-18 12:11:13 +02:00 committed by Jens Axboe
parent cda00eba02
commit 5816e91e4a
1 changed files with 1 additions and 1 deletions
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2
fs/cramfs/inode.c
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@ -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_bytes(sb->s_bdev) >> PAGE_SHIFT;
/* Ok, read in BLKS_PER_BUF pages completely first. */
for (i = 0; i < BLKS_PER_BUF; i++) {