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From: Eric Van Hensbergen <ericvh@kernel.org>
To: v9fs-developer@lists.sourceforge.net, asmadeus@codewreck.org,
	rminnich@gmail.com, lucho@ionkov.net
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux_oss@crudebyte.com, Eric Van Hensbergen <ericvh@kernel.org>
Subject: [PATCH v3 07/11] Add additional debug flags and open modes
Date: Tue, 24 Jan 2023 02:38:30 +0000	[thread overview]
Message-ID: <20230124023834.106339-8-ericvh@kernel.org> (raw)
In-Reply-To: <20230124023834.106339-1-ericvh@kernel.org>

Add some additional debug flags to assist with debugging
cache changes.  Also add some additional open modes so we
can track cache state in fids more directly.

Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
 include/net/9p/9p.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 429adf6be29c..61c20b89becd 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -42,6 +42,8 @@ enum p9_debug_flags {
 	P9_DEBUG_PKT =		(1<<10),
 	P9_DEBUG_FSC =		(1<<11),
 	P9_DEBUG_VPKT =		(1<<12),
+	P9_DEBUG_CACHE =	(1<<13),
+	P9_DEBUG_MMAP =		(1<<14),
 };
 
 #ifdef CONFIG_NET_9P_DEBUG
@@ -213,6 +215,9 @@ enum p9_open_mode_t {
 	P9_ORCLOSE = 0x40,
 	P9_OAPPEND = 0x80,
 	P9_OEXCL = 0x1000,
+	P9L_DIRECT = 0x2000, /* cache disabled */
+	P9L_NOWRITECACHE = 0x4000, /* no write caching  */
+	P9L_LOOSE = 0x8000, /* loose cache */
 };
 
 /**
-- 
2.37.2


  parent reply	other threads:[~2023-01-24  2:39 UTC|newest]

Thread overview: 83+ 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     ` Eric Van Hensbergen [this message]
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
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
2023-02-18  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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