ceph: stop sending FLUSHSNAPs when we hit a dirty capsnap

Stop sending FLUSHSNAP messages when we hit a capsnap that has dirty_pages
or is still writing.  We'll send the newer capsnaps only after the older
ones complete.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index a2069b6680a..9fbe9019155 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1227,7 +1227,7 @@ retry:
                  * pages to be written out.
                  */
                 if (capsnap->dirty_pages || capsnap->writing)
-                        continue;
+                        break;
 
                 /*
                  * if cap writeback already occurred, we should have dropped
@@ -1276,8 +1276,8 @@ retry:
                               &session->s_cap_snaps_flushing);
                 spin_unlock(&inode->i_lock);
 
-                dout("flush_snaps %p cap_snap %p follows %lld size %llu\n",
-                     inode, capsnap, next_follows, capsnap->size);
+                dout("flush_snaps %p cap_snap %p follows %lld tid %llu\n",
+                     inode, capsnap, capsnap->follows, capsnap->flush_tid);
                 send_cap_msg(session, ceph_vino(inode).ino, 0,
                              CEPH_CAP_OP_FLUSHSNAP, capsnap->issued, 0,
                              capsnap->dirty, 0, capsnap->flush_tid, 0, mseq,