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Subject: Re: [PATCH v2] staging: erofs: use explicit unsigned int type
To:     =?UTF-8?Q?Thomas_Wei=c3=9fschuh?= <linux@weissschuh.net>
References: <20180830205605.19492-1-linux@weissschuh.net>
 <20180907163912.3686-1-linux@weissschuh.net>
CC:     Chao Yu <yuchao0@huawei.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        <linux-erofs@lists.ozlabs.org>, <devel@driverdev.osuosl.org>,
        <linux-kernel@vger.kernel.org>
From:   Gao Xiang <gaoxiang25@huawei.com>
Message-ID: <5c44a63b-041d-1fce-0748-53c0b44f5983@huawei.com>
Date:   Sat, 8 Sep 2018 11:28:30 +0800
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Hi Thomas,

Thanks for your new patch.

It seems that this patch also introduces 2 new 'WARNING: line over 80 characters',
could you please fix it in the patch?

On 2018/9/8 0:39, Thomas Weißschuh wrote:
> Changes since v1:
> 
> * Removed changes that conflicted with
>   [PATCH 1/6] staging: erofs: formatting fix in unzip_vle_lz4.c
> * Added patch description
> 
> -- >8 --
> 
> Fix coding style issue "Prefer 'unsigned int' to bare use of 'unsigned'"
> detected by checkpatch.pl
> 
> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
> 
> ---
>  drivers/staging/erofs/data.c      |  4 +--
>  drivers/staging/erofs/dir.c       | 14 ++++-----
>  drivers/staging/erofs/inode.c     |  6 ++--
>  drivers/staging/erofs/namei.c     | 28 +++++++++---------
>  drivers/staging/erofs/super.c     |  2 +-
>  drivers/staging/erofs/unzip_vle.c | 48 +++++++++++++++----------------
>  drivers/staging/erofs/utils.c     |  2 +-
>  drivers/staging/erofs/xattr.c     | 40 +++++++++++++-------------
>  8 files changed, 72 insertions(+), 72 deletions(-)
> 
> diff --git a/drivers/staging/erofs/data.c b/drivers/staging/erofs/data.c
> index 3c0d9159514e..e1916101ad75 100644
> --- a/drivers/staging/erofs/data.c
> +++ b/drivers/staging/erofs/data.c
> @@ -202,7 +202,7 @@ static inline struct bio *erofs_read_raw_page(
>  	struct address_space *mapping,
>  	struct page *page,
>  	erofs_off_t *last_block,
> -	unsigned nblocks,
> +	unsigned int nblocks,
>  	bool ra)
>  {
>  	struct inode *inode = mapping->host;
> @@ -236,7 +236,7 @@ static inline struct bio *erofs_read_raw_page(
>  			.m_la = blknr_to_addr(current_block),
>  		};
>  		erofs_blk_t blknr;
> -		unsigned blkoff;
> +		unsigned int blkoff;
>  
>  		err = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW);
>  		if (unlikely(err))
> diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c
> index be6ae3b1bdbe..87f12b0f983f 100644
> --- a/drivers/staging/erofs/dir.c
> +++ b/drivers/staging/erofs/dir.c
> @@ -24,8 +24,8 @@ static const unsigned char erofs_filetype_table[EROFS_FT_MAX] = {
>  };
>  
>  static int erofs_fill_dentries(struct dir_context *ctx,
> -	void *dentry_blk, unsigned *ofs,
> -	unsigned nameoff, unsigned maxsize)
> +	void *dentry_blk, unsigned int *ofs,
> +	unsigned int nameoff, unsigned int maxsize)
>  {
>  	struct erofs_dirent *de = dentry_blk;
>  	const struct erofs_dirent *end = dentry_blk + nameoff;
> @@ -36,7 +36,7 @@ static int erofs_fill_dentries(struct dir_context *ctx,
>  		int de_namelen;
>  		unsigned char d_type;
>  #ifdef CONFIG_EROFS_FS_DEBUG
> -		unsigned dbg_namelen;
> +		unsigned int dbg_namelen;
>  		unsigned char dbg_namebuf[EROFS_NAME_LEN];
>  #endif
>  
> @@ -81,15 +81,15 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx)
>  	struct inode *dir = file_inode(f);
>  	struct address_space *mapping = dir->i_mapping;
>  	const size_t dirsize = i_size_read(dir);
> -	unsigned i = ctx->pos / EROFS_BLKSIZ;
> -	unsigned ofs = ctx->pos % EROFS_BLKSIZ;
> +	unsigned int i = ctx->pos / EROFS_BLKSIZ;
> +	unsigned int ofs = ctx->pos % EROFS_BLKSIZ;
>  	int err = 0;
>  	bool initial = true;
>  
>  	while (ctx->pos < dirsize) {
>  		struct page *dentry_page;
>  		struct erofs_dirent *de;
> -		unsigned nameoff, maxsize;
> +		unsigned int nameoff, maxsize;
>  
>  		dentry_page = read_mapping_page(mapping, i, NULL);
>  		if (IS_ERR(dentry_page))
> @@ -109,7 +109,7 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx)
>  			goto skip_this;
>  		}
>  
> -		maxsize = min_t(unsigned, dirsize - ctx->pos + ofs, PAGE_SIZE);
> +		maxsize = min_t(unsigned int, dirsize - ctx->pos + ofs, PAGE_SIZE);

WARNING: line over 80 characters
#102: FILE: drivers/staging/erofs/dir.c:112:
+               maxsize = min_t(unsigned int, dirsize - ctx->pos + ofs, PAGE_SIZE);


>  
>  		/* search dirents at the arbitrary position */
>  		if (unlikely(initial)) {
> diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c
> index fbf6ff25cd1b..70d34b0a97fe 100644
> --- a/drivers/staging/erofs/inode.c
> +++ b/drivers/staging/erofs/inode.c
> @@ -19,7 +19,7 @@ static int read_inode(struct inode *inode, void *data)
>  {
>  	struct erofs_vnode *vi = EROFS_V(inode);
>  	struct erofs_inode_v1 *v1 = data;
> -	const unsigned advise = le16_to_cpu(v1->i_advise);
> +	const unsigned int advise = le16_to_cpu(v1->i_advise);
>  
>  	vi->data_mapping_mode = __inode_data_mapping(advise);
>  
> @@ -112,7 +112,7 @@ static int read_inode(struct inode *inode, void *data)
>   * try_lock since it takes no much overhead and
>   * will success immediately.
>   */
> -static int fill_inline_data(struct inode *inode, void *data, unsigned m_pofs)
> +static int fill_inline_data(struct inode *inode, void *data, unsigned int m_pofs)

WARNING: line over 80 characters
#124: FILE: drivers/staging/erofs/inode.c:115:
+static int fill_inline_data(struct inode *inode, void *data, unsigned int m_pofs)

Thanks,
Gao Xiang