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Message-ID: <5d96567b0612010904s361b799t8db72accc287ca54@mail.gmail.com> Date: Fri, 1 Dec 2006 19:04:57 +0200 From: "Raz Ben-Jehuda(caro)" <raziebe@...il.com> To: linux-aio@...ck.org, "Linux Kernel" <linux-kernel@...r.kernel.org> Cc: jens.axboe@...cle.com, suparna@...ibm.com Subject: slow io_submit Jens suparna hello I have managed to understand why io_submit is sometimes very slow. It is because the device is plugged once too many io's are being sent. I have conducted a simple test with nr_request to default value of 128 and and 256. and it proved to be correct. I would truely appreciate your comment on this. -- Raz - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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