ceph: don't use CEPH_OSD_FLAG_ORDERSNAP

Inode can be moved between snap realms. It's possible inode is moved
into a snap realm whose seq number is smaller than old snap realm's.
So there is no guarantee that seq number inode's snap context always
increases.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index f602b3e..2eb43a5 100644 (file)
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -787,7 +787,7 @@ static void ceph_aio_retry_work(struct work_struct *work)
                goto out;
        }
 
-       req->r_flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+       req->r_flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
        ceph_oloc_copy(&req->r_base_oloc, &orig_req->r_base_oloc);
        ceph_oid_copy(&req->r_base_oid, &orig_req->r_base_oid);
 
@@ -860,7 +860,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
                if (ret2 < 0)
                        dout("invalidate_inode_pages2_range returned %d\n", ret2);
 
-               flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+               flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
        } else {
                flags = CEPH_OSD_FLAG_READ;
        }
@@ -1063,7 +1063,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos,
        if (ret < 0)
                dout("invalidate_inode_pages2_range returned %d\n", ret);
 
-       flags = CEPH_OSD_FLAG_ORDERSNAP | CEPH_OSD_FLAG_WRITE;
+       flags = /* CEPH_OSD_FLAG_ORDERSNAP | */ CEPH_OSD_FLAG_WRITE;
 
        while ((len = iov_iter_count(from)) > 0) {
                size_t left;