From: asmadeus@codewreck.org
To: Eric Van Hensbergen <ericvh@kernel.org>
Cc: v9fs-developer@lists.sourceforge.net, rminnich@gmail.com,
lucho@ionkov.net, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux_oss@crudebyte.com
Subject: Re: [PATCH v4 01/11] net/9p: Adjust maximum MSIZE to account for p9 header
Date: Sat, 18 Feb 2023 16:50:42 +0900 [thread overview]
Message-ID: <Y/CDUtk3CNIMaf+B@codewreck.org> (raw)
In-Reply-To: <20230218003323.2322580-2-ericvh@kernel.org>
Eric Van Hensbergen wrote on Sat, Feb 18, 2023 at 12:33:13AM +0000:
> Add maximum p9 header size to MSIZE to make sure we can
> have page aligned data.
>
> Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
I'd be tempted to round that up to the next PAGE_SIZE, but it likely
won't make any difference in practice if we want to round the actual
payload. Let's go for this.
Reviewed-by: Dominique Martinet <asmadeus@codewreck.org>
> ---
> net/9p/client.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/net/9p/client.c b/net/9p/client.c
> index 622ec6a586ee..6c2a768a6ab1 100644
> --- a/net/9p/client.c
> +++ b/net/9p/client.c
> @@ -28,7 +28,11 @@
> #define CREATE_TRACE_POINTS
> #include <trace/events/9p.h>
>
> -#define DEFAULT_MSIZE (128 * 1024)
> +/* DEFAULT MSIZE = 32 pages worth of payload + P9_HDRSZ +
> + * room for write (16 extra) or read (11 extra) operands.
> + */
> +
> +#define DEFAULT_MSIZE ((128 * 1024) + P9_IOHDRSZ)
>
> /* Client Option Parsing (code inspired by NFS code)
> * - a little lazy - parse all client options
next prev parent reply other threads:[~2023-02-18 7:51 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20221217183142.1425132-1-evanhensbergen@icloud.com>
2022-12-18 23:22 ` [PATCH v2 00/10] Performance fixes for 9p filesystem Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 01/10] Adjust maximum MSIZE to account for p9 header Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 02/10] Expand setup of writeback cache to all levels Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 03/10] Consolidate file operations and add readahead and writeback Eric Van Hensbergen
2023-01-24 2:43 ` asmadeus
2023-01-24 3:03 ` Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 04/10] Remove unnecessary superblock flags Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 05/10] allow disable of xattr support on mount Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 06/10] fix bug in client create for .L Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 07/10] Add additional debug flags and open modes Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 08/10] Add new mount modes Eric Van Hensbergen
2023-01-24 3:35 ` Amir Goldstein
2022-12-18 23:22 ` [PATCH v2 09/10] fix error reporting in v9fs_dir_release Eric Van Hensbergen
2022-12-18 23:22 ` [PATCH v2 10/10] writeback mode fixes Eric Van Hensbergen
2023-01-23 16:31 ` [PATCH v2 00/10] Performance fixes for 9p filesystem Christian Schoenebeck
2023-01-24 2:33 ` evanhensbergen
2023-01-24 2:49 ` asmadeus
2023-01-24 2:38 ` [PATCH v3 00/11] " Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 01/11] Adjust maximum MSIZE to account for p9 header Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 02/11] Expand setup of writeback cache to all levels Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 03/11] Consolidate file operations and add readahead and writeback Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 04/11] Remove unnecessary superblock flags Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 05/11] allow disable of xattr support on mount Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 06/11] fix bug in client create for .L Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 07/11] Add additional debug flags and open modes Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 08/11] Add new mount modes Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 09/11] fix error reporting in v9fs_dir_release Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 10/11] writeback mode fixes Eric Van Hensbergen
2023-01-24 2:38 ` [PATCH v3 11/11] Fix revalidate Eric Van Hensbergen
2023-02-02 11:27 ` [PATCH v3 00/11] Performance fixes for 9p filesystem Christian Schoenebeck
2023-02-03 19:12 ` Eric Van Hensbergen
2023-02-04 13:40 ` Christian Schoenebeck
2023-02-04 21:38 ` Eric Van Hensbergen
2023-02-05 16:37 ` Eric Van Hensbergen
2023-02-06 13:20 ` Christian Schoenebeck
2023-02-06 13:37 ` Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 " Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 01/11] net/9p: Adjust maximum MSIZE to account for p9 header Eric Van Hensbergen
2023-02-18 7:50 ` asmadeus [this message]
2023-02-18 0:33 ` [PATCH v4 02/11] fs/9p: Expand setup of writeback cache to all levels Eric Van Hensbergen
2023-02-18 8:57 ` asmadeus
2023-02-18 0:33 ` [PATCH v4 03/11] fs/9p: Consolidate file operations and add readahead and writeback Eric Van Hensbergen
2023-02-18 9:24 ` asmadeus
2023-02-18 16:17 ` Eric Van Hensbergen
2023-02-18 16:19 ` Eric Van Hensbergen
2023-02-18 20:35 ` asmadeus
2023-02-27 2:50 ` [PATCH v5 3/11] " Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 04/11] fs/9p: Remove unnecessary superblock flags Eric Van Hensbergen
2023-02-18 9:33 ` asmadeus
2023-02-18 16:24 ` Eric Van Hensbergen
2023-02-18 20:30 ` asmadeus
2023-02-18 0:33 ` [PATCH v4 05/11] fs/9p: allow disable of xattr support on mount Eric Van Hensbergen
2023-02-18 7:52 ` asmadeus
2023-02-18 0:33 ` [PATCH v4 06/11] net/9p: fix bug in client create for .L Eric Van Hensbergen
2023-02-18 8:01 ` asmadeus
2023-02-18 0:33 ` [PATCH v4 07/11] 9p: Add additional debug flags and open modes Eric Van Hensbergen
2023-02-18 8:05 ` asmadeus
2023-02-27 2:53 ` [PATCH v5 7/11] " Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 08/11] fs/9p: Add new mount modes Eric Van Hensbergen
2023-02-18 8:46 ` asmadeus
2023-02-27 2:55 ` [PATCH v5 8/11] " Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 09/11] fs/9p: fix error reporting in v9fs_dir_release Eric Van Hensbergen
2023-02-18 8:49 ` asmadeus
2023-02-18 0:33 ` [PATCH v4 10/11] fs/9p: writeback mode fixes Eric Van Hensbergen
2023-02-18 8:38 ` asmadeus
2023-02-18 10:01 ` asmadeus
2023-02-18 12:15 ` asmadeus
2023-02-18 16:40 ` Eric Van Hensbergen
2023-02-18 20:29 ` asmadeus
2023-03-21 1:12 ` Eric Van Hensbergen
2023-02-18 19:58 ` Christian Schoenebeck
2023-02-18 22:24 ` Eric Van Hensbergen
2023-02-18 23:40 ` asmadeus
2023-02-18 23:52 ` Eric Van Hensbergen
2023-03-27 2:59 ` [PATCH v5] fs/9p: remove writeback fid and fix per-file modes Eric Van Hensbergen
2023-04-25 7:11 ` Christophe JAILLET
2023-04-25 11:13 ` asmadeus
2023-04-26 0:01 ` Eric Van Hensbergen
2023-04-26 16:45 ` Eric Van Hensbergen
2023-02-18 0:33 ` [PATCH v4 11/11] fs/9p: Fix revalidate Eric Van Hensbergen
2023-02-18 8:55 ` asmadeus
2023-02-18 7:48 ` [PATCH v4 00/11] Performance fixes for 9p filesystem asmadeus
2023-02-19 21:36 ` Christian Schoenebeck
2023-02-20 1:13 ` Eric Van Hensbergen
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