ceph: get inode size for each append write

Signed-off-by: Yan, Zheng <zyan@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 90ec110b8400..0c62868b5c56 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -952,6 +952,12 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
         /* We can write back this queue in page reclaim */
         current->backing_dev_info = inode_to_bdi(inode);
 
+        if (iocb->ki_flags & IOCB_APPEND) {
+                err = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE, false);
+                if (err < 0)
+                        goto out;
+        }
+
         err = generic_write_checks(iocb, from);
         if (err <= 0)
                 goto out;