linux-kernel - Re: [PATCH 2/2 linux-next] AFFS: add tmpfile support

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Date:	Wed, 6 May 2015 09:34:32 +0200
From:	Jan Kara <jack@...e.cz>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 2/2 linux-next] AFFS: add tmpfile support

On Tue 05-05-15 20:06:10, Fabian Frederick wrote:
> Based on the following patch:
> commit 60545d0d4610 ("[O_TMPFILE] it's still short a few helpers,
>  but infrastructure should be OK now...")
> 
> Tested with xfstests generic/004
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Alexander Viro <viro@...iv.linux.org.uk>
> Cc: Jan Kara <jack@...e.cz>
> Signed-off-by: Fabian Frederick <fabf@...net.be>
  The patch looks good. You can add:
Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/affs/affs.h  |  1 +
>  fs/affs/dir.c   |  1 +
>  fs/affs/namei.c | 23 +++++++++++++++++++++++
>  3 files changed, 25 insertions(+)
> 
> diff --git a/fs/affs/affs.h b/fs/affs/affs.h
> index cffe837..c3f60a5 100644
> --- a/fs/affs/affs.h
> +++ b/fs/affs/affs.h
> @@ -180,6 +180,7 @@ extern int	affs_rename(struct inode *old_dir, struct dentry *old_dentry,
>  extern unsigned long		 affs_parent_ino(struct inode *dir);
>  extern struct inode		*affs_new_inode(struct inode *dir);
>  extern int			 affs_notify_change(struct dentry *dentry, struct iattr *attr);
> +extern int affs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode);
>  extern void			 affs_evict_inode(struct inode *inode);
>  extern struct inode		*affs_iget(struct super_block *sb,
>  					unsigned long ino);
> diff --git a/fs/affs/dir.c b/fs/affs/dir.c
> index ac4f318..2b0e5ea 100644
> --- a/fs/affs/dir.c
> +++ b/fs/affs/dir.c
> @@ -37,6 +37,7 @@ const struct inode_operations affs_dir_inode_operations = {
>  	.rmdir		= affs_rmdir,
>  	.rename		= affs_rename,
>  	.setattr	= affs_notify_change,
> +	.tmpfile	= affs_tmpfile,
>  };
>  
>  static int
> diff --git a/fs/affs/namei.c b/fs/affs/namei.c
> index b183540..7c3909a 100644
> --- a/fs/affs/namei.c
> +++ b/fs/affs/namei.c
> @@ -466,3 +466,26 @@ done:
>  	affs_brelse(bh);
>  	return retval;
>  }
> +
> +int affs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
> +{
> +
> +	struct super_block *sb = dir->i_sb;
> +	struct affs_sb_info *sbi = AFFS_SB(sb);
> +	struct inode *inode;
> +
> +	inode = affs_new_inode(dir);
> +	if (!inode)
> +		return -ENOSPC;
> +
> +	inode->i_mode = mode;
> +	mode_to_prot(inode);
> +	inode->i_mapping->a_ops = affs_test_opt(sbi->s_flags, SF_OFS) ?
> +				  &affs_aops_ofs : &affs_aops;
> +	inode->i_op = &affs_file_inode_operations;
> +	inode->i_fop = &affs_file_operations;
> +	mark_inode_dirty(inode);
> +	d_tmpfile(dentry, inode);
> +	unlock_new_inode(inode);
> +	return 0;
> +}
> -- 
> 1.9.1
> 
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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