fuse: fix attribute caching after rename

Invalidate attributes on rename, since some filesystems may update
st_ctime.  Reported by Szabolcs Szakacsits

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index dfc32dc97f7f..80d2f5292cf9 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -657,6 +657,9 @@ static int fuse_rename(struct inode *olddir, struct dentry *oldent,
         err = req->out.h.error;
         fuse_put_request(fc, req);
         if (!err) {
+                /* ctime changes */
+                fuse_invalidate_attr(oldent->d_inode);
+
                 fuse_invalidate_attr(olddir);
                 if (olddir != newdir)
                         fuse_invalidate_attr(newdir);