Messages in this thread | | | From | OGAWA Hirofumi <> | Subject | Re: [PATCH] fat: instead of constant number, use the i_blkbits of struct inode to calculate the number of blocks | Date | Tue, 19 Feb 2013 20:56:51 +0900 |
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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>
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