From: Jan Kara <jack@suse.cz>
To: Rohit Sharma <imreckless@gmail.com>
Cc: Kernelnewbies <kernelnewbies@nl.linux.org>,
ext4 <linux-ext4@vger.kernel.org>
Subject: Re: block allocation for ext2_mkdir
Date: Thu, 18 Dec 2008 23:39:28 +0100 [thread overview]
Message-ID: <20081218223928.GA20092@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <2d08ef090812181152r53fa9d18j1b21310c4e592f@mail.gmail.com>
> On Fri, Dec 19, 2008 at 12:12 AM, Rohit Sharma <imreckless@gmail.com> wrote:
> > How does ext2 allocate blocks for directory.
> >
> > ext2_mkdir calls ext2_make_empty
> >
> > ext2_make_empty calls __ext2_write_begin
> >
> > __ ext2_write_begin calls block_write_begin
> >
> > my query is that how does this function allocates blocks for directories. ??
> >
>
> Does ext2 uses ext2_get_block to allocate blocks for both files and
> directories. ??
Yes, exactly. Ext2 (unlike ext3 or ext4) treats directories the same
ways as ordinary files and thus ext2_get_block is used for block
allocation.
Honza
--
Jan Kara <jack@suse.cz>
SuSE CR Labs
next prev parent reply other threads:[~2008-12-18 22:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-18 18:42 block allocation for ext2_mkdir Rohit Sharma
2008-12-18 19:52 ` Rohit Sharma
2008-12-18 22:39 ` Jan Kara [this message]
2008-12-19 7:42 ` Rohit Sharma
2008-12-19 9:21 ` Sandeep K Sinha
2008-12-19 9:35 ` Peter Teoh
2008-12-19 11:18 ` Rohit Sharma
2008-12-19 15:29 ` Peter Teoh
2008-12-19 18:49 ` Rohit Sharma
2008-12-19 19:01 ` Rohit Sharma
2008-12-19 20:24 ` Sandeep K Sinha
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