[PATCH v3 07/11] Add additional debug flags and open modes

Eric Van Hensbergen
2023-01-24T02:39:37Z

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