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From: Theodore Ts'o <tytso@mit.edu>
To: Tahsin Erdogan <tahsin@google.com>
Cc: Andreas Dilger <adilger@dilger.ca>,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] ext4: make xattr inode reads faster
Date: Sun, 6 Aug 2017 00:14:57 -0400	[thread overview]
Message-ID: <20170806041457.3sedyg67nnvypwhx@thunk.org> (raw)
In-Reply-To: <20170717062012.26331-1-tahsin@google.com>

On Sun, Jul 16, 2017 at 11:20:12PM -0700, Tahsin Erdogan wrote:
> ext4_xattr_inode_read() currently reads each block sequentially while
> waiting for io operation to complete before moving on to the next
> block. This prevents request merging in block layer.
> 
> Add a ext4_bread_batch() function that starts reads for all blocks
> then optionally waits for them to complete. A similar logic is used
> in ext4_find_entry(), so update that code to use the new function.
> 
> Signed-off-by: Tahsin Erdogan <tahsin@google.com>

Thanks, applied.

					- Ted

      parent reply	other threads:[~2017-08-06  4:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-12  8:29 [PATCH] ext4: make xattr inode reads faster Tahsin Erdogan
2017-07-14 21:13 ` Andreas Dilger
2017-07-17  6:20   ` [PATCH v2] " Tahsin Erdogan
2017-07-17  6:30     ` Tahsin Erdogan
2017-08-06  4:14     ` Theodore Ts'o [this message]

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