linux-ext4 - Re: [PATCH-e2fsprogs] filefrag: accept positive ioctl return value

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Message-ID: <6149e97b0906021010u60892ab9ta1cba067fdcc5086@mail.gmail.com>
Date:	Wed, 3 Jun 2009 01:10:17 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	Theodore Tso <tytso@....edu>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH-e2fsprogs] filefrag: accept positive ioctl return value

On Tue, Jun 2, 2009 at 8:40 PM, Theodore Tso <tytso@....edu> wrote:
> What does the positive fiemap ioctl return mean?  It's not documented
> in Documentation/filesystems/fiemap.txt.
The positive btrfs_fiemap ioctl return comes from
fiemap_fill_next_extent(), which returns 1 to indicate that
user-supplied fm_extents array is full according to
Documentation/filesystems/fiemap.txt.

-- 
Cheers,
Bergwolf
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