linux-kernel - Re: [PATCH 14/41] whiteout: Split of ext2_append_link() from ext2_add

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Date:	Mon, 30 Nov 2009 01:32:08 -0500
From:	Erez Zadok <ezk@...sunysb.edu>
To:	Valerie Aurora <vaurora@...hat.com>
Cc:	Jan Blunck <jblunck@...e.de>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Andy Whitcroft <apw@...onical.com>,
	Scott James Remnant <scott@...onical.com>,
	Sandu Popa Marius <sandupopamarius@...il.com>,
	Jan Rekorajski <baggins@...h.mimuw.edu.pl>,
	"J. R. Okajima" <hooanon05@...oo.co.jp>,
	Arnd Bergmann <arnd@...db.de>,
	Vladimir Dronnikov <dronnikov@...il.com>,
	Felix Fietkau <nbd@...nwrt.org>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, Theodore Tso <tytso@....edu>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 14/41] whiteout: Split of ext2_append_link() from ext2_add_link() 

In message <1256152779-10054-15-git-send-email-vaurora@...hat.com>, Valerie Aurora writes:
> From: Jan Blunck <jblunck@...e.de>
> 
> The ext2_append_link() is later used to find or append a directory
> entry to whiteout.
> 
> Signed-off-by: Jan Blunck <jblunck@...e.de>
> Signed-off-by: Valerie Aurora <vaurora@...hat.com>
> Cc: Theodore Tso <tytso@....edu>
> Cc: linux-ext4@...r.kernel.org
> ---
>  fs/ext2/dir.c |   70 ++++++++++++++++++++++++++++++++++++++++----------------
>  1 files changed, 50 insertions(+), 20 deletions(-)
> 
> diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
> index 6cde970..cb8ceff 100644
> --- a/fs/ext2/dir.c
> +++ b/fs/ext2/dir.c
> @@ -472,9 +472,10 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de,
>  }
>  
>  /*
> - *	Parent is locked.
> + * Find or append a given dentry to the parent directory
>   */
> -int ext2_add_link (struct dentry *dentry, struct inode *inode)
> +static ext2_dirent * ext2_append_entry(struct dentry * dentry,
> +				       struct page ** page)

I thought checkpatch didn't want to see spaces after a '*', so
"struct foo * ptr" should become "struct foo *ptr".

I also think that "struct page **page" should be renamed to "struct page
**ppage" or "struct page **pages", to avoid confusion with many other
functions which pass a "struct page *" pointer to a variable named "page".

Erez.
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