Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.7 34/59] ovl: fix workdir creation | Date | Mon, 12 Sep 2016 17:29:54 +0200 |
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4.7-stable review patch. If anyone has any objections, please let me know.
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From: Miklos Szeredi <mszeredi@redhat.com>
commit e1ff3dd1ae52cef5b5373c8cc4ad949c2c25a71c upstream.
Workdir creation fails in latest kernel.
Fix by allowing EOPNOTSUPP as a valid return value from vfs_removexattr(XATTR_NAME_POSIX_ACL_*). Upper filesystem may not support ACL and still be perfectly able to support overlayfs.
Reported-by: Martin Ziegler <ziegler@uni-freiburg.de> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Fixes: c11b9fdd6a61 ("ovl: remove posix_acl_default from workdir") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- fs/overlayfs/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -819,11 +819,11 @@ retry: goto out_dput; err = vfs_removexattr(work, XATTR_NAME_POSIX_ACL_DEFAULT); - if (err && err != -ENODATA) + if (err && err != -ENODATA && err != -EOPNOTSUPP) goto out_dput; err = vfs_removexattr(work, XATTR_NAME_POSIX_ACL_ACCESS); - if (err && err != -ENODATA) + if (err && err != -ENODATA && err != -EOPNOTSUPP) goto out_dput; /* Clear any inherited mode bits */
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