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Message-Id: <20221218232217.1713283-8-evanhensbergen@icloud.com>
Date:   Sun, 18 Dec 2022 23:22:21 +0000
From:   Eric Van Hensbergen <evanhensbergen@...oud.com>
To:     v9fs-developer@...ts.sourceforge.net, asmadeus@...ewreck.org,
        rminnich@...il.com, lucho@...kov.net
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux_oss@...debyte.com,
        Eric Van Hensbergen <evanhensbergen@...oud.com>
Subject: [PATCH v2 07/10] Add additional debug flags and open modes

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 <evanhensbergen@...oud.com>
---
 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

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