From: Joel Becker <Joel.Becker@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 4/4] ocfs2: Introduce dir free space list
Date: Wed, 12 Nov 2008 19:48:12 -0800 [thread overview]
Message-ID: <20081113034812.GF27602@mail.oracle.com> (raw)
In-Reply-To: <1226543048-911-5-git-send-email-mfasheh@suse.com>
On Wed, Nov 12, 2008 at 06:24:08PM -0800, Mark Fasheh wrote:
> The only operation which doesn't get faster with directory indexing is
> insert, which still has to walk the entire unindexed directory portion to
> find a free block. This patch provides an improvement in directory insert
> performance by maintaining a singly linked list of directory leaf blocks
> which have space for additional dirents.
>
> As the disk format is now finalized, we also turn on directory indexing support.
>
> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Looks good. I realize that you're going to add the versioning
support. And that on-disk trailer structure needs offset annotation.
Joel
--
"And yet I find,
And yet I find repeating in my head.
If I can't be my own,
I'd feel better dead."
Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2008-11-13 3:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-13 2:24 [Ocfs2-devel] [RFC][PATCH 0/4] ocfs2: Directory indexing support Mark Fasheh
2008-11-13 2:24 ` [Ocfs2-devel] [PATCH 1/4] ocfs2: turn __ocfs2_remove_inode_range() into ocfs2_remove_btree_range() Mark Fasheh
2008-11-13 2:53 ` Joel Becker
2008-11-13 2:24 ` [Ocfs2-devel] [PATCH 2/4] ocfs2: Introduce dir lookup helper struct Mark Fasheh
2008-11-13 2:59 ` Joel Becker
2008-11-13 2:24 ` [Ocfs2-devel] [PATCH 3/4] ocfs2: Add a name indexed b-tree to directory inodes Mark Fasheh
2008-11-13 3:28 ` Joel Becker
2008-11-13 2:24 ` [Ocfs2-devel] [PATCH 4/4] ocfs2: Introduce dir free space list Mark Fasheh
2008-11-13 3:48 ` Joel Becker [this message]
2008-11-13 3:59 ` [Ocfs2-devel] [RFC][PATCH 0/4] ocfs2: Directory indexing support Joel Becker
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