From: Artem Bityutskiy <dedekind@infradead.org>
To: Amit Kumar Sharma <amitsharma.9@samsung.com>
Cc: linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org,
Adrian Hunter <ext-adrian.hunter@nokia.com>,
linux-kernel@vger.kernel.org
Subject: Re: What is in ubifs-2.6.git
Date: Tue, 30 Sep 2008 12:02:43 +0300 [thread overview]
Message-ID: <1222765363.8051.10.camel@sauron> (raw)
In-Reply-To: <EC8994007A40495FA924271106803A63@sisodomain.com>
On Tue, 2008-09-30 at 14:25 +0530, Amit Kumar Sharma wrote:
> Hi Artem
>
> OneNAND can support for full block read also in sync burst
> block read mode ,so why u want to limit bulk read only for 4
> pages , with sync burst enable u can read max 64 pages.
> so in place of max 4 pages , u can set max to 64 it will be
> improve performance if sync burst mode is upported.
Actually UBIFS reads up to whole eraseblock. So if you have
a file, and it is resided in consecutive NAND pages of an
eraseblock, and UBIFS has decided to do read-ahead, it would
read whole eraseblock. So for OneNAND, indeed UBIFS may read
up to 64 NAND pages at one go.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2008-09-30 9:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-30 9:18 What is in ubifs-2.6.git Artem Bityutskiy
2008-09-30 7:56 ` Artem Bityutskiy
2008-09-30 8:55 ` Amit Kumar Sharma
2008-09-30 9:02 ` Artem Bityutskiy [this message]
2008-09-30 9:18 ` [PATCH] UBIFS: add a print, fix comments and more minor stuff Artem Bityutskiy
2008-09-30 9:18 ` [PATCH] UBIFS: remove unneeded unlikely() Artem Bityutskiy
2008-09-30 9:18 ` [PATCH] UBIFS: inline one-line functions Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: use an IS_ERR test rather than a NULL test Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: add bulk-read facility Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: add no_chk_data_crc mount option Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: improve znode splitting rules Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: check data CRC when in error state Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: use bit-fields when possible Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: correct key comparison Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: ensure data read beyond i_size is zeroed out correctly Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: fix races in bit-fields Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: fix commentary Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: update dbg_dump_inode Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: correct comment for commit_on_unmount Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: commit on sync_fs Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: allow for sync_fs when read-only Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: improve garbage collection Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: fix bulk-read handling uptodate pages Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: add more debugging messages for LPT Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: correct condition to eliminate unecessary assignment Artem Bityutskiy
2008-09-30 9:19 ` [PATCH] UBIFS: check buffer length when scanning for LPT nodes Artem Bityutskiy
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