[PATCH v2 08/10] ovl: do not fail because of O_NOATIME

From: Miklos Szeredi
Date: Mon Dec 07 2020 - 11:35:33 EST


In case the file cannot be opened with O_NOATIME because of lack of
capabilities, then clear O_NOATIME instead of failing.

Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
---
fs/overlayfs/file.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index dc767034d37b..d6ac7ac66410 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -53,9 +53,10 @@ static struct file *ovl_open_realfile(const struct file *file,
err = inode_permission(realinode, MAY_OPEN | acc_mode);
if (err) {
realfile = ERR_PTR(err);
- } else if (!inode_owner_or_capable(realinode)) {
- realfile = ERR_PTR(-EPERM);
} else {
+ if (!inode_owner_or_capable(realinode))
+ flags &= ~O_NOATIME;
+
realfile = open_with_fake_path(&file->f_path, flags, realinode,
current_cred());
}
--
2.26.2