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Re: [PATCH v2] ext4: make xattr inode reads faster

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  Re: [PATCH v2] ext4: make xattr inode reads faster Theodore Ts'o <tytso@mit.edu> - 2017-08-06 06:20 +0200

#1704742 — Re: [PATCH v2] ext4: make xattr inode reads faster

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

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