[PATCH 3/4] xfsdump: fix on-media inventory stream packing

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With the on-media inventory now being restored for multiple streams we
can see that the restored streams both claim to be for /dev/nst0.

[root@rhel8 xfsdump-dev]# xfsdump -L "Test2" -f /dev/nst0 -M "tape1" -f /dev/nst1 -M "tape2" /boot
...
[root@rhel8 xfsdump-dev]# rm -rf /var/lib/xfsdump/inventory /tmp/test1/*
[root@rhel8 xfsdump-dev]# restore/xfsrestore -L Test2 -f /dev/nst0 -f /dev/nst1 /tmp/test2
restore/xfsrestore: using scsi tape (drive_scsitape) strategy
restore/xfsrestore: using scsi tape (drive_scsitape) strategy
restore/xfsrestore: version 3.1.10 (dump format 3.0) - type ^C for status and control
...
restore/xfsrestore: Restore Summary:
restore/xfsrestore:   stream 0 /dev/nst0 OK (success)
restore/xfsrestore:   stream 1 /dev/nst1 ALREADY_DONE (another stream completed the operation)
restore/xfsrestore: Restore Status: SUCCESS
[root@rhel8 xfsdump-dev]# xfsdump -I
file system 0:
        fs id:          26dd5aa0-b901-4cf5-9b68-0c5753cb3ab8
        session 0:
                mount point:    rhel8:/boot
                device:         rhel8:/dev/sda1
                time:           Wed Oct 12 15:36:55 2022
                session label:  "Test2"
                session id:     50be3b17-d9f9-414d-885b-ababf660e189
                level:          0
                resumed:        NO
                subtree:        NO
                streams:        2
                stream 0:
                        pathname:       /dev/nst0
                        start:          ino 133 offset 0
                        end:            ino 28839 offset 0
                        interrupted:    YES
                        media files:    1
                        media file 0:
                                mfile index:    2
                                mfile type:     data
                                mfile size:     165675008
                                mfile start:    ino 133 offset 0
                                mfile end:      ino 28839 offset 0
                                media label:    "test"
                                media id:       e2e6978d-5546-4f1f-8c9e-307168071889
                stream 1:
                        pathname:       /dev/nst0
                        start:          ino 133 offset 0
                        end:            ino 28839 offset 0
                        interrupted:    YES
                        media files:    1
                        media file 0:
                                mfile index:    0
                                mfile type:     data
                                mfile size:     166723584
                                mfile start:    ino 28839 offset 0
                                mfile end:      ino 1572997 offset 0
                                media label:    "tape2"
                                media id:       1ad6d919-7159-42fb-a20f-5a2c4e3e24b1
xfsdump: Dump Status: SUCCESS
[root@rhel8 xfsdump-dev]#

Fix this by indexing the stream being packed for the on-media inventory.

Signed-off-by: Donald Douwsma <ddouwsma@xxxxxxxxxx>
Suggested-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 inventory/inv_stobj.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inventory/inv_stobj.c b/inventory/inv_stobj.c
index 025d431..fb4d93a 100644
--- a/inventory/inv_stobj.c
+++ b/inventory/inv_stobj.c
@@ -798,7 +798,7 @@ stobj_pack_sessinfo(int fd, invt_session_t *ses, invt_seshdr_t *hdr,
 	sesbuf += sizeof(invt_session_t);
 
 	for (i = 0; i < ses->s_cur_nstreams; i++) {
-		xlate_invt_stream(strms, (invt_stream_t *)sesbuf, 1);
+		xlate_invt_stream(&strms[i], (invt_stream_t *)sesbuf, 1);
 		sesbuf += sizeof(invt_stream_t);
 	}
 
-- 
2.31.1




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