| From | Jeff Layton <> | Subject | [PATCH v7 41/49] vfs: allow utimensat() calls to retry once on an ESTALE error | Date | Mon, 1 Oct 2012 20:16:50 -0400 |
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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 <jlayton@redhat.com> --- fs/utimes.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/fs/utimes.c b/fs/utimes.c index fa4dbe4..b6b2865 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -156,16 +156,21 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times, } else { struct path path; int lookup_flags = 0; + unsigned int try = 0; if (!(flags & AT_SYMLINK_NOFOLLOW)) lookup_flags |= LOOKUP_FOLLOW; - error = user_path_at(dfd, filename, lookup_flags, &path); - if (error) - goto out; + do { + error = user_path_at(dfd, filename, + lookup_flags, &path); + if (error) + break; - error = utimes_common(&path, times); - path_put(&path); + error = utimes_common(&path, times); + path_put(&path); + lookup_flags |= LOOKUP_REVAL; + } while (retry_estale(error, try++)); } out: -- 1.7.11.4
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