From a69201d6f08240f20a0d33a1b7273d1e7748791c Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Tue, 11 Dec 2012 12:10:14 -0500 Subject: vfs: allow utimensat() calls to retry once on an ESTALE error Clearly, we can't handle the NULL filename case, but we can deal with the case where there's a real pathname. Signed-off-by: Jeff Layton Signed-off-by: Al Viro --- fs/utimes.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'fs') diff --git a/fs/utimes.c b/fs/utimes.c index bb0696a41735..f4fb7eca10e8 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -158,13 +158,17 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times, if (!(flags & AT_SYMLINK_NOFOLLOW)) lookup_flags |= LOOKUP_FOLLOW; - +retry: error = user_path_at(dfd, filename, lookup_flags, &path); if (error) goto out; error = utimes_common(&path, times); path_put(&path); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } } out: -- cgit v1.2.3