projects/linux·commit c19bf74f

Merge tag 'ceph-for-4.20-rc7' of https://github.com/ceph/ceph-client

c19bf74f · Linus Torvalds <[email protected]> · 2018-12-14 09:22:14 -08:00

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
Commit
c19bf74fe4d979455b22a8e998615a3d46e24c92
Parents
7fb5f5d3 · 6f9718fe

Merge commit. Changes below are compared with the first parent: 7fb5f5d3.

Changes

2 files changed · +5 −3

FileStatusAddDelContent
fs/ceph/super.cmodified+2−2View file
fs/ceph/super.hmodified+3−1View file

fs/ceph/super.c

View file
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 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
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);

fs/ceph/super.h

View file
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;