ceph: cleanup redundant code in handle_cap_grant

There is no state in local vars that requires us to loop after temporarily
dropping i_lock.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index e1e6df0..289f6c6 100644 (file)
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2210,7 +2210,6 @@ static int handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
        int writeback = 0;
        int revoked_rdcache = 0;
        int queue_invalidate = 0;
-       int tried_invalidate = 0;
 
        dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n",
             inode, cap, mds, seq, ceph_cap_string(newcaps));
@@ -2222,10 +2221,8 @@ static int handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
         * try to invalidate (once).  (If there are dirty buffers, we
         * will invalidate _after_ writeback.)
         */
-restart:
        if (((cap->issued & ~newcaps) & CEPH_CAP_FILE_CACHE) &&
-           !ci->i_wrbuffer_ref && !tried_invalidate) {
-               tried_invalidate = 1;
+           !ci->i_wrbuffer_ref) {
                if (try_nonblocking_invalidate(inode) == 0) {
                        revoked_rdcache = 1;
                } else {
@@ -2236,7 +2233,6 @@ restart:
                                ci->i_rdcache_revoking = ci->i_rdcache_gen;
                        }
                }
-               goto restart;
        }
 
        /* side effects now are allowed */