From ca9e7a1c85594f61d7ffb414071e6cae82eae23a Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 1 Oct 2015 21:40:10 -0500 Subject: [PATCH] Allow duplicate extents in SMB3 not just SMB3.1.1 Enable duplicate extents (cp --reflink) ioctl for SMB3.0 not just SMB3.1.1 since have verified that this works to Windows 2016 (REFS) and additional testing done at recent plugfest with SMB3.0 not just SMB3.1.1 This will also make it easier for Samba. Signed-off-by: Steve French Reviewed-by: David Disseldorp --- fs/cifs/smb2ops.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 18da19f4f811..2f169eb79b4a 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -810,7 +810,6 @@ smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, cfile->fid.volatile_fid, cfile->pid, &eof, false); } -#ifdef CONFIG_CIFS_SMB311 static int smb2_duplicate_extents(const unsigned int xid, struct cifsFileInfo *srcfile, @@ -854,8 +853,6 @@ smb2_duplicate_extents(const unsigned int xid, duplicate_extents_out: return rc; } -#endif /* CONFIG_CIFS_SMB311 */ - static int smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, @@ -1703,6 +1700,7 @@ struct smb_version_operations smb30_operations = { .create_lease_buf = smb3_create_lease_buf, .parse_lease_buf = smb3_parse_lease_buf, .clone_range = smb2_clone_range, + .duplicate_extents = smb2_duplicate_extents, .validate_negotiate = smb3_validate_negotiate, .wp_retry_size = smb2_wp_retry_size, .dir_needs_close = smb2_dir_needs_close,