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Date: Mon, 5 Jan 2009 10:47:13 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Theodore Tso <tytso@....edu> Cc: Jens Axboe <jens.axboe@...cle.com>, linux-ext4@...r.kernel.org, Arjan van de Ven <arjan@...radead.org> Subject: Re: [PATCH, RFC] Use WRITE_SYNC in __block_write_full_page() if WBC_SYNC_ALL On Mon, 5 Jan 2009 09:47:40 -0500 Theodore Tso <tytso@....edu> wrote: > there will be times (i.e., when we are doing a checkpoint as > opposed to a commit, or in a fsync-heavy workload), where we will end > up getting blocked behind kjournald, so upping the I/O priority really > does make sense. Not if it will cause kjournald writes to be prioritised ahead of any reads, I suspect. Writes are rarely synchronous, but with reads, there's almost always someone waiting. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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