4.19-stable review patch. If anyone has any objections, please let me know.
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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 d1a0f36dcdd43..ea32af83729d9 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -192,6 +192,9 @@ int v9fs_uflags2omode(int uflags, int extended) break; }
+ if (uflags & O_TRUNC) + ret |= P9_OTRUNC; + if (extended) { if (uflags & O_EXCL) ret |= P9_OEXCL;