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SubjectRe: [PATCH] md/bitmap: use i_blocksize()
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On 2017/1/20 下午10:29, Geliang Tang wrote:
> Since i_blocksize() helper has been defined in fs.h, use it instead
> of open-coding.
>
> Signed-off-by: Geliang Tang <geliangtang@gmail.com>
> ---
> drivers/md/bitmap.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
> index 9fb2cca..30b1b89 100644
> --- a/drivers/md/bitmap.c
> +++ b/drivers/md/bitmap.c
> @@ -367,7 +367,7 @@ static int read_page(struct file *file, unsigned long index,
> pr_debug("read bitmap file (%dB @ %llu)\n", (int)PAGE_SIZE,
> (unsigned long long)index << PAGE_SHIFT);
>
> - bh = alloc_page_buffers(page, 1<<inode->i_blkbits, 0);
> + bh = alloc_page_buffers(page, i_blocksize(inode), 0);
> if (!bh) {
> ret = -ENOMEM;
> goto out;
> @@ -385,10 +385,10 @@ static int read_page(struct file *file, unsigned long index,
> goto out;
> }
> bh->b_bdev = inode->i_sb->s_bdev;
> - if (count < (1<<inode->i_blkbits))
> + if (count < i_blocksize(inode))
> count = 0;
> else
> - count -= (1<<inode->i_blkbits);
> + count -= i_blocksize(inode);
>
> bh->b_end_io = end_bitmap_write;
> bh->b_private = bitmap;
>

Acked-by: Coly Li <colyli@suse.de>

I agree with this. Thanks.

Coly

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