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nilfs2: use bdev_nr_bytes instead of open coding it

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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>
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Link: https://lore.kernel.org/r/20211018101130.1838532-20-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-10-18 12:11:19 +02:00 committed by Jens Axboe
parent 6e50e781fe
commit 4fcd69798d
3 changed files with 3 additions and 3 deletions
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2
fs/nilfs2/ioctl.c
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@ -1107,7 +1107,7 @@ static int nilfs_ioctl_set_alloc_range(struct inode *inode, void __user *argp)
goto out;
ret = -ERANGE;
if (range[1] > i_size_read(inode->i_sb->s_bdev->bd_inode))
if (range[1] > bdev_nr_bytes(inode->i_sb->s_bdev))
goto out;
segbytes = nilfs->ns_blocks_per_segment * nilfs->ns_blocksize;

2
fs/nilfs2/super.c
View File

@ -403,7 +403,7 @@ int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
int ret;
ret = -ERANGE;
devsize = i_size_read(sb->s_bdev->bd_inode);
devsize = bdev_nr_bytes(sb->s_bdev);
if (newsize > devsize)
goto out;

2
fs/nilfs2/the_nilfs.c
View File

@ -489,7 +489,7 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
{
struct nilfs_super_block **sbp = nilfs->ns_sbp;
struct buffer_head **sbh = nilfs->ns_sbh;
u64 sb2off = NILFS_SB2_OFFSET_BYTES(nilfs->ns_bdev->bd_inode->i_size);
u64 sb2off = NILFS_SB2_OFFSET_BYTES(bdev_nr_bytes(nilfs->ns_bdev));
int valid[2], swp = 0;
sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,