From: Yuri Weinstein <yweinste@redhat.com>
Date: Wed, 18 Oct 2023 16:22:31 +0000 (-0700)
Subject: Merge pull request #53229 from ifed01/wip-ifed-snapdiff-ref
X-Git-Tag: v18.2.1~138
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5bcbf8b3ca17ea54d4b970ea61010968c8cc3397;p=ceph.git

Merge pull request #53229 from ifed01/wip-ifed-snapdiff-ref

reef: cephfs: implement snapdiff

Reviewed-by: Venky Shankar <vshankar@redhat.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jos Collin <jcollin@redhat.com>
---

5bcbf8b3ca17ea54d4b970ea61010968c8cc3397
diff --cc src/include/ceph_fs.h
index 9c7925df8991d,42e5e53b438a3..28440c820dcfb
--- a/src/include/ceph_fs.h
+++ b/src/include/ceph_fs.h
@@@ -627,9 -623,17 +628,17 @@@ union ceph_mds_request_args 
  		__le64 parent;
  		__le32 hash;
  	} __attribute__ ((packed)) lookupino;
+ 	struct {
+ 		__le32 frag;                 /* which dir fragment */
+ 		__le32 max_entries;          /* how many dentries to grab */
+ 		__le32 max_bytes;
+ 		__le16 flags;
+                 __le32 offset_hash;
+ 		__le64 snap_other;
+ 	} __attribute__ ((packed)) snapdiff;
  } __attribute__ ((packed));
  
 -#define CEPH_MDS_REQUEST_HEAD_VERSION	2
 +#define CEPH_MDS_REQUEST_HEAD_VERSION	3
  
  /*
   * Note that any change to this structure must ensure that it is compatible