ceph: fscache: Update object store limit after file writing

Synchronize object->store_limit[_l] with new inode->i_size after file writing.

Tested-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: Yunchuan Wen <yunchuanwen@ubuntukylin.com>
Signed-off-by: Min Chen <minchen@ubuntukylin.com>
Signed-off-by: Li Wang <liwang@ubuntukylin.com>

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index c298a7b..2862a75 100644 (file)
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -970,6 +970,7 @@ retry_snap:
                        goto retry_snap;
                }
        } else {
+               loff_t old_size = inode->i_size;
                /*
                 * No need to acquire the i_truncate_mutex. Because
                 * the MDS revokes Fwb caps before sending truncate
@@ -980,6 +981,8 @@ retry_snap:
                written = generic_file_buffered_write(iocb, iov, nr_segs,
                                                      pos, &iocb->ki_pos,
                                                      count, 0);
+               if (inode->i_size > old_size)
+                       ceph_fscache_update_objectsize(inode);
                mutex_unlock(&inode->i_mutex);
        }