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>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index c298a7b8a1ce..2862a75fb949 100644
--- 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);
         }