linux-kernel - Re: [PATCH 08/19] ext2: convert to new i

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20171218124751.GA30350@quack2.suse.cz>
Date:   Mon, 18 Dec 2017 13:47:51 +0100
From:   Jan Kara <jack@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        hch@....de, neilb@...e.de, bfields@...ldses.org,
        amir73il@...il.com, jack@...e.de, viro@...iv.linux.org.uk
Subject: Re: [PATCH 08/19] ext2: convert to new i_version API

On Wed 13-12-17 09:20:06, Jeff Layton wrote:
> From: Jeff Layton <jlayton@...hat.com>
> 
> Signed-off-by: Jeff Layton <jlayton@...hat.com>

Looks good. You can add:

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

								Honza

> ---
>  fs/ext2/dir.c   | 8 ++++----
>  fs/ext2/super.c | 4 ++--
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
> index 987647986f47..c99f14fec3f3 100644
> --- a/fs/ext2/dir.c
> +++ b/fs/ext2/dir.c
> @@ -92,7 +92,7 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
>  	struct inode *dir = mapping->host;
>  	int err = 0;
>  
> -	dir->i_version++;
> +	inode_inc_iversion(dir);
>  	block_write_end(NULL, mapping, pos, len, len, page, NULL);
>  
>  	if (pos+len > dir->i_size) {
> @@ -293,7 +293,7 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
>  	unsigned long npages = dir_pages(inode);
>  	unsigned chunk_mask = ~(ext2_chunk_size(inode)-1);
>  	unsigned char *types = NULL;
> -	int need_revalidate = file->f_version != inode->i_version;
> +	bool need_revalidate = inode_cmp_iversion(inode, file->f_version);
>  
>  	if (pos > inode->i_size - EXT2_DIR_REC_LEN(1))
>  		return 0;
> @@ -319,8 +319,8 @@ ext2_readdir(struct file *file, struct dir_context *ctx)
>  				offset = ext2_validate_entry(kaddr, offset, chunk_mask);
>  				ctx->pos = (n<<PAGE_SHIFT) + offset;
>  			}
> -			file->f_version = inode->i_version;
> -			need_revalidate = 0;
> +			file->f_version = inode_query_iversion(inode);
> +			need_revalidate = false;
>  		}
>  		de = (ext2_dirent *)(kaddr+offset);
>  		limit = kaddr + ext2_last_byte(inode, n) - EXT2_DIR_REC_LEN(1);
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index 7646818ab266..dd7c3c81d918 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -184,7 +184,7 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
>  	if (!ei)
>  		return NULL;
>  	ei->i_block_alloc_info = NULL;
> -	ei->vfs_inode.i_version = 1;
> +	inode_set_iversion(&ei->vfs_inode, 1);
>  #ifdef CONFIG_QUOTA
>  	memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
>  #endif
> @@ -1569,7 +1569,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type,
>  		return err;
>  	if (inode->i_size < off+len-towrite)
>  		i_size_write(inode, off+len-towrite);
> -	inode->i_version++;
> +	inode_inc_iversion(inode);
>  	inode->i_mtime = inode->i_ctime = current_time(inode);
>  	mark_inode_dirty(inode);
>  	return len - towrite;
> -- 
> 2.14.3
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR