Re: [PATCH 1/2] nilfs2: use i_blocksize()

From: Ryusuke Konishi
Date: Sun Jan 22 2017 - 20:29:06 EST


On Fri, 20 Jan 2017 22:34:57 +0800, 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@xxxxxxxxx>

i_blocksize() doesn't exist in the mainline kernel.

This needs another patch titled "fs: add i_blocksize()" which I found
in the latest -mm tree.

I will send this to the -mm tree along with this dependency.

Regards,
Ryusuke Konishi

> ---
> fs/nilfs2/alloc.c | 2 +-
> fs/nilfs2/btree.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
> index 2c90e28..03b8ba9 100644
> --- a/fs/nilfs2/alloc.c
> +++ b/fs/nilfs2/alloc.c
> @@ -34,7 +34,7 @@
> static inline unsigned long
> nilfs_palloc_groups_per_desc_block(const struct inode *inode)
> {
> - return (1UL << inode->i_blkbits) /
> + return i_blocksize(inode) /
> sizeof(struct nilfs_palloc_group_desc);
> }
>
> diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
> index 2e315f9..d75238a 100644
> --- a/fs/nilfs2/btree.c
> +++ b/fs/nilfs2/btree.c
> @@ -119,7 +119,7 @@ nilfs_btree_node_set_nchildren(struct nilfs_btree_node *node, int nchildren)
>
> static int nilfs_btree_node_size(const struct nilfs_bmap *btree)
> {
> - return 1 << btree->b_inode->i_blkbits;
> + return i_blocksize(btree->b_inode);
> }
>
> static int nilfs_btree_nchildren_per_block(const struct nilfs_bmap *btree)
> --
> 2.9.3
>