[PATCH 6.1.y 2/3] ceph: print cluster fsid and client global_id in all debug logs

[Sasha Levin <sashal@kernel.org>]

From: Xiubo Li <xiubli@redhat.com>

[ Upstream commit 38d46409c4639a1d659ebfa70e27a8bed6b8ee1d ]

Multiple CephFS mounts on a host is increasingly common so
disambiguating messages like this is necessary and will make it easier
to debug issues.

At the same this will improve the debug logs to make them easier to
troubleshooting issues, such as print the ino# instead only printing
the memory addresses of the corresponding inodes and print the dentry
names instead of the corresponding memory addresses for the dentry,etc.

Link: https://tracker.ceph.com/issues/61590
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

[ stable: retain only the delegated-inode parser conversion needed as
  context for the dependent fix; the remaining debug-log churn is not
  required on this tree ]

[ sashal: Reduced backport -- upstream 38d46409c4639 touches 19 file(s), this
  backport carries 1. Not backported here:
  fs/ceph/acl.c
  fs/ceph/addr.c
  fs/ceph/caps.c
  fs/ceph/crypto.c
  fs/ceph/debugfs.c
  fs/ceph/dir.c
  fs/ceph/export.c
  fs/ceph/file.c
  ... and 10 more
  This note is generated from the file lists only; see the resolution record
  for the reasoning. ]

Stable-dep-of: 4bd3158bd624 ("ceph: cap delegated inode count in ceph_parse_deleg_inos()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/ceph/mds_client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 4893545b930c3..4516fa908d70c 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -437,7 +437,7 @@ static int ceph_parse_deleg_inos(void **p, void *end,
 	u32 sets;
 
 	ceph_decode_32_safe(p, end, sets, bad);
-	dout("got %u sets of delegated inodes\n", sets);
+	doutc(cl, "got %u sets of delegated inodes\n", sets);
 	while (sets--) {
 		u64 start, len;
 
-- 
2.53.0