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qemu-virtio-9p: Implement TREADLINK operation for 9p2000.L

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Synopsis

        size[4] TReadlink tag[2] fid[4]
        size[4] RReadlink tag[2] target[s]

Description
        Readlink is used to return the contents of the symoblic link
        referred by fid. Contents of symboic link is returned as a
        response.

        target[s] - Contents of the symbolic link referred by fid.

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
This commit is contained in:
M. Mohan Kumar
2010-09-14 15:08:25 +05:30
committed by Anthony Liguori
parent b41e95d348
commit df0973a465
3 changed files with 60 additions and 0 deletions
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8
hw/virtio-9p-debug.c
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@@ -502,6 +502,14 @@ void pprint_pdu(V9fsPDU *pdu)
fprintf(llogfile, "RMKNOD: )");
pprint_qid(pdu, 0, &offset, "qid");
break;
case P9_TREADLINK:
fprintf(llogfile, "TREADLINK: (");
pprint_int32(pdu, 0, &offset, "fid");
break;
case P9_RREADLINK:
fprintf(llogfile, "RREADLINK: (");
pprint_str(pdu, 0, &offset, "target");
break;
case P9_TREAD:
fprintf(llogfile, "TREAD: (");
pprint_int32(pdu, 0, &offset, "fid");