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Re: filestream allocator rewrite

To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: filestream allocator rewrite
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 14 Apr 2014 12:23:47 +1000
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1397289723-26243-1-git-send-email-hch@xxxxxx>
References: <1397289723-26243-1-git-send-email-hch@xxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sat, Apr 12, 2014 at 10:01:54AM +0200, Christoph Hellwig wrote:
> This series is a major overhaul of the filestream allocator.  The main point
> is to use the dcache to get the parent and avoiding to maintain a fstrm_item
> for each inode that the filestream is applied to in favor of just tracking
> the parent, but there's various more or less related fallout from this as 
> well.

OVerall it looks good. I'll need to do some testing on it and 
have a deeper look at the main use-the-dentry-cache patch, but it
removes a heap of complexity and code and gets rid of the use of
inode IO locks, so there's a loot to like here...


Dave Chinner

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