[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20150217010220.GH4251@dastard>
Date: Tue, 17 Feb 2015 12:02:20 +1100
From: Dave Chinner <david@...morbit.com>
To: Namjae Jeon <linkinjeon@...il.com>
Cc: tytso@....edu, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org,
xfs@....sgi.com, a.sangwan@...sung.com, bfoster@...hat.com,
mtk.manpages@...il.com, linux-man@...r.kernel.org,
linux-api@...r.kernel.org, Namjae Jeon <namjae.jeon@...sung.com>
Subject: Re: [PATCH RESEND 3/12] ext4: Add support FALLOC_FL_INSERT_RANGE for
fallocate
On Tue, Feb 17, 2015 at 12:47:50AM +0900, Namjae Jeon wrote:
> From: Namjae Jeon <namjae.jeon@...sung.com>
>
> This patch implements fallocate's FALLOC_FL_INSERT_RANGE for Ext4.
>
> 1) Make sure that both offset and len are block size aligned.
> 2) Update the i_size of inode by len bytes.
> 3) Compute the file's logical block number against offset. If the computed
> block number is not the starting block of the extent, split the extent
> such that the block number is the starting block of the extent.
> 4) Shift all the extents which are lying bewteen [offset, last allocated extent]
> towards right by len bytes. This step will make a hole of len bytes
> at offset.
>
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Ashish Sangwan <a.sangwan@...sung.com>
I'll leave this for the ext4 folk to review. If I don't get a review
by the time we're ready to merge the VFS and XFS code, then I'll
leave it out and let Ted merge it inhis own time.
Cheers,
Dave.
--
Dave Chinner
david@...morbit.com
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists