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Date:   Wed, 7 Dec 2022 11:58:57 +0100
From:   Jan Kara <jack@...e.cz>
To:     Ye Bin <yebin@...weicloud.com>
Cc:     tytso@....edu, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        jack@...e.cz, Ye Bin <yebin10@...wei.com>
Subject: Re: [PATCH v2 5/6] ext4: rename xattr_find_entry() and
 __xattr_check_inode()

On Wed 07-12-22 15:40:42, Ye Bin wrote:
> From: Ye Bin <yebin10@...wei.com>
> 
> xattr_find_entry() and __xattr_check_inode() is in EXT4 xattr module. so
> add 'ext4' prefix to unify name style.
> 
> Signed-off-by: Ye Bin <yebin10@...wei.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/ext4/xattr.c | 35 ++++++++++++++++++-----------------
>  1 file changed, 18 insertions(+), 17 deletions(-)
> 
> diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
> index efa623658c12..5c0476ff62c8 100644
> --- a/fs/ext4/xattr.c
> +++ b/fs/ext4/xattr.c
> @@ -290,8 +290,9 @@ __ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh,
>  
>  
>  static int
> -__xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
> -			 void *end, const char *function, unsigned int line)
> +__ext4_xattr_check_inode(struct inode *inode,
> +			 struct ext4_xattr_ibody_header *header, void *end,
> +			 const char *function, unsigned int line)
>  {
>  	int error = -EFSCORRUPTED;
>  
> @@ -307,12 +308,12 @@ __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
>  	return error;
>  }
>  
> -#define xattr_check_inode(inode, header, end) \
> -	__xattr_check_inode((inode), (header), (end), __func__, __LINE__)
> +#define ext4_xattr_check_inode(inode, header, end) \
> +	__ext4_xattr_check_inode((inode), (header), (end), __func__, __LINE__)
>  
>  static int
> -xattr_find_entry(struct inode *inode, struct ext4_xattr_entry **pentry,
> -		 void *end, int name_index, const char *name, int sorted)
> +ext4_xattr_find_entry(struct inode *inode, struct ext4_xattr_entry **pentry,
> +		      void *end, int name_index, const char *name, int sorted)
>  {
>  	struct ext4_xattr_entry *entry, *next;
>  	size_t name_len;
> @@ -577,7 +578,7 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
>  	ext4_xattr_block_cache_insert(ea_block_cache, bh);
>  	entry = BFIRST(bh);
>  	end = bh->b_data + bh->b_size;
> -	error = xattr_find_entry(inode, &entry, end, name_index, name, 1);
> +	error = ext4_xattr_find_entry(inode, &entry, end, name_index, name, 1);
>  	if (error)
>  		goto cleanup;
>  	size = le32_to_cpu(entry->e_value_size);
> @@ -628,11 +629,11 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
>  	raw_inode = ext4_raw_inode(&iloc);
>  	header = IHDR(inode, raw_inode);
>  	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
> -	error = xattr_check_inode(inode, header, end);
> +	error = ext4_xattr_check_inode(inode, header, end);
>  	if (error)
>  		goto cleanup;
>  	entry = IFIRST(header);
> -	error = xattr_find_entry(inode, &entry, end, name_index, name, 0);
> +	error = ext4_xattr_find_entry(inode, &entry, end, name_index, name, 0);
>  	if (error)
>  		goto cleanup;
>  	size = le32_to_cpu(entry->e_value_size);
> @@ -773,7 +774,7 @@ ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size)
>  	raw_inode = ext4_raw_inode(&iloc);
>  	header = IHDR(inode, raw_inode);
>  	end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
> -	error = xattr_check_inode(inode, header, end);
> +	error = ext4_xattr_check_inode(inode, header, end);
>  	if (error)
>  		goto cleanup;
>  	error = ext4_xattr_list_entries(dentry, IFIRST(header),
> @@ -859,7 +860,7 @@ int ext4_get_inode_usage(struct inode *inode, qsize_t *usage)
>  		raw_inode = ext4_raw_inode(&iloc);
>  		header = IHDR(inode, raw_inode);
>  		end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
> -		ret = xattr_check_inode(inode, header, end);
> +		ret = ext4_xattr_check_inode(inode, header, end);
>  		if (ret)
>  			goto out;
>  
> @@ -1862,8 +1863,8 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
>  		bs->s.first = BFIRST(bs->bh);
>  		bs->s.end = bs->bh->b_data + bs->bh->b_size;
>  		bs->s.here = bs->s.first;
> -		error = xattr_find_entry(inode, &bs->s.here, bs->s.end,
> -					 i->name_index, i->name, 1);
> +		error = ext4_xattr_find_entry(inode, &bs->s.here, bs->s.end,
> +					      i->name_index, i->name, 1);
>  		if (error && error != -ENODATA)
>  			return error;
>  		bs->s.not_found = error;
> @@ -2222,12 +2223,12 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
>  	is->s.here = is->s.first;
>  	is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
>  	if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) {
> -		error = xattr_check_inode(inode, header, is->s.end);
> +		error = ext4_xattr_check_inode(inode, header, is->s.end);
>  		if (error)
>  			return error;
>  		/* Find the named attribute. */
> -		error = xattr_find_entry(inode, &is->s.here, is->s.end,
> -					 i->name_index, i->name, 0);
> +		error = ext4_xattr_find_entry(inode, &is->s.here, is->s.end,
> +					      i->name_index, i->name, 0);
>  		if (error && error != -ENODATA)
>  			return error;
>  		is->s.not_found = error;
> @@ -2742,7 +2743,7 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
>  	min_offs = end - base;
>  	total_ino = sizeof(struct ext4_xattr_ibody_header) + sizeof(u32);
>  
> -	error = xattr_check_inode(inode, header, end);
> +	error = ext4_xattr_check_inode(inode, header, end);
>  	if (error)
>  		goto cleanup;
>  
> -- 
> 2.31.1
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR

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