[PATCH 1/7] vfs: add some allowed open flags to vfs_lookup_open()

[NeilBrown <neilb@ownmail.net>]

From: NeilBrown <neil@brown.name>

vfs_lookup_open() must allow:
  O_LARGEFILE so that large files can be opened.
  O_NONBLOCK so that break_lease() can be asked to return -EWOULDBLOCK.

Signed-off-by: NeilBrown <neil@brown.name>
---
 fs/namei.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index d95249dd527c..c9ac703110f8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4632,7 +4632,8 @@ struct file *vfs_lookup_open(struct path *parent, struct qstr *last,
 	int error = 0;
 
 	WARN_ONCE(mode & ~S_IALLUGO, "mode must only have permission bits");
-	WARN_ONCE(open_flag & ~(O_ACCMODE|O_CREAT|O_EXCL|O_TRUNC|__O_REGULAR),
+	WARN_ONCE(open_flag & ~(O_ACCMODE|O_CREAT|O_EXCL|O_TRUNC|__O_REGULAR|
+				O_NONBLOCK|O_LARGEFILE),
 		  "open_flag has unsupported flags");
 
 	mode |= S_IFREG;

base-commit: 9189e6a6f89e32d3a604b221ea64e67e1a35957c
-- 
2.50.0.107.gf914562f5916.dirty