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Subject[RFC PATCH 2/2] ceph: make 'copyfrom' a default mount option again
Date
Now that we're able to detect whether an OSD can correctly handle
'copy-from' without corrupting the destination file, we can make the
'copyfrom' mount option the default again. This effectively reverts
commit 6f9718fe41c3 ("ceph: make 'nocopyfrom' a default mount option").

Signed-off-by: Luis Henriques <lhenriques@suse.com>
---
fs/ceph/super.c | 4 ++--
fs/ceph/super.h | 4 +---
2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index edfd643a8205..c761be9eecbf 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -584,8 +584,8 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
seq_puts(m, ",noacl");
#endif

- if ((fsopt->flags & CEPH_MOUNT_OPT_NOCOPYFROM) == 0)
- seq_puts(m, ",copyfrom");
+ if (fsopt->flags & CEPH_MOUNT_OPT_NOCOPYFROM)
+ seq_puts(m, ",nocopyfrom");

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 f98d9247f9cb..4cbcaee6e670 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -44,9 +44,7 @@
#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 | \
- CEPH_MOUNT_OPT_NOCOPYFROM)
+#define CEPH_MOUNT_OPT_DEFAULT CEPH_MOUNT_OPT_DCACHE

#define ceph_set_mount_opt(fsc, opt) \
(fsc)->mount_options->flags |= CEPH_MOUNT_OPT_##opt;
\
 
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