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From:   Eric Van Hensbergen <evanhensbergen@icloud.com>
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 <evanhensbergen@icloud.com>
Subject: [PATCH v2 07/10] Add additional debug flags and open modes
Date:   Sun, 18 Dec 2022 23:22:21 +0000
Message-Id: <20221218232217.1713283-8-evanhensbergen@icloud.com>
In-Reply-To: <20221218232217.1713283-1-evanhensbergen@icloud.com>
References: <20221217183142.1425132-1-evanhensbergen@icloud.com>
 <20221218232217.1713283-1-evanhensbergen@icloud.com>
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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@icloud.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