lkml.org 
[lkml]   [2013]   [Feb]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] fat: instead of constant number, use the i_blkbits of struct inode to calculate the number of blocks
Date
Hyeoncheol Lee <hyc.lee@gmail.com> writes:

> To calculate the number of blocks from the number of clusters,
> use the i_blkbits of struct inode instead of 9.
>
> Signed-off-by: Hyeoncheol Lee <hyc.lee@gmail.com>
> ---
> fs/fat/misc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/fat/misc.c b/fs/fat/misc.c
> index 6d93360..ccdf663 100644
> --- a/fs/fat/misc.c
> +++ b/fs/fat/misc.c
> @@ -156,7 +156,7 @@ int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster)
> (llu)(inode->i_blocks >> (sbi->cluster_bits - 9)));
> fat_cache_inval_inode(inode);
> }
> - inode->i_blocks += nr_cluster << (sbi->cluster_bits - 9);
> + inode->i_blocks += nr_cluster << (sbi->cluster_bits - inode->i_blkbits);

No. Unit of ->i_blocks is 512bytes always. So, 9 is right number.

>
> return 0;
> }

--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


\
 
 \ /
  Last update: 2013-02-19 13:41    [W:0.031 / U:0.448 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site