From: Joakim Sindholt <opensource@zhasha.com>
Date: Mon, 18 Mar 2024 11:22:33 +0000 (+0100)
Subject: fs/9p: translate O_TRUNC into OTRUNC
X-Git-Tag: v5.15.159~82
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2b493bd0da9bfa6717b7e321ddebc24aa0248329;p=thirdparty%2Fkernel%2Fstable.git

fs/9p: translate O_TRUNC into OTRUNC

[ Upstream commit 87de39e70503e04ddb58965520b15eb9efa7eef3 ]

This one hits both 9P2000 and .u as it appears v9fs has never translated
the O_TRUNC flag.

Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 75907f77f9e38..ef103ef392ee3 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -178,6 +178,9 @@ int v9fs_uflags2omode(int uflags, int extended)
 		break;
 	}
 
+	if (uflags & O_TRUNC)
+		ret |= P9_OTRUNC;
+
 	if (extended) {
 		if (uflags & O_EXCL)
 			ret |= P9_OEXCL;