Merge tag 'ceph-for-4.20-rc7' of https://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"Luis discovered a problem with the new copyfrom offload on the server
side. Disable it for now"
* tag 'ceph-for-4.20-rc7' of https://github.com/ceph/ceph-client:
ceph: make 'nocopyfrom' a default mount option
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index b5ecd6f..4e9a7cc 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -563,8 +563,8 @@
seq_puts(m, ",noacl");
#endif
- if (fsopt->flags & CEPH_MOUNT_OPT_NOCOPYFROM)
- seq_puts(m, ",nocopyfrom");
+ if ((fsopt->flags & CEPH_MOUNT_OPT_NOCOPYFROM) == 0)
+ seq_puts(m, ",copyfrom");
if (fsopt->mds_namespace)
seq_show_option(m, "mds_namespace", fsopt->mds_namespace);
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index c005a54..79a265b 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -42,7 +42,9 @@
#define CEPH_MOUNT_OPT_NOQUOTADF (1<<13) /* no root dir quota in statfs */
#define CEPH_MOUNT_OPT_NOCOPYFROM (1<<14) /* don't use RADOS 'copy-from' op */
-#define CEPH_MOUNT_OPT_DEFAULT CEPH_MOUNT_OPT_DCACHE
+#define CEPH_MOUNT_OPT_DEFAULT \
+ (CEPH_MOUNT_OPT_DCACHE | \
+ CEPH_MOUNT_OPT_NOCOPYFROM)
#define ceph_set_mount_opt(fsc, opt) \
(fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt;