[PATCH 6.1 132/236] fs/9p: translate O_TRUNC into OTRUNC

Greg Kroah-Hartman
2024-05-14T11:33:41Z

From: Joakim Sindholt <opensource@zhasha.com>

[ 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>
---
fs/9p/vfs_inode.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a0c5a372dcf62..8f287009545c9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -181,6 +181,9 @@ int v9fs_uflags2omode(int uflags, int extended)
break;
}

+ if (uflags & O_TRUNC)
+ ret |= P9_OTRUNC;
+
if (extended) {
if (uflags & O_EXCL)
ret |= P9_OEXCL;
--
2.43.0