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Date: Mon, 7 May 2007 15:40:26 +0300
From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: "Amit K. Arora" <aarora@linux.vnet.ibm.com>
Subject: Re: [PATCH 5/5] ext4: write support for preallocated blocks/extents
Cc: torvalds@osdl.org, akpm@linux-foundation.org,
       linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
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On 4/26/07, Amit K. Arora <aarora@linux.vnet.ibm.com> wrote:
>  /*
> + * ext4_ext_try_to_merge:
> + * tries to merge the "ex" extent to the next extent in the tree.
> + * It always tries to merge towards right. If you want to merge towards
> + * left, pass "ex - 1" as argument instead of "ex".
> + * Returns 0 if the extents (ex and ex+1) were _not_ merged and returns
> + * 1 if they got merged.
> + */
> +int ext4_ext_try_to_merge(struct inode *inode,
> +                               struct ext4_ext_path *path,
> +                               struct ext4_extent *ex)
> +{

Please either use proper kerneldoc format or drop
"ext4_ext_try_to_merge" from the comment.