ceph: fix snaptrace decoding on cap migration between mds
This was simply broken. Apparently at some point we thought about putting the snaptrace in the middle section, but didn't. Signed-off-by: Sage Weil <sage@newdream.net>
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c16e786927
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@ -2608,6 +2608,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
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u64 size, max_size;
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u64 tid;
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int check_caps = 0;
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void *snaptrace;
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int r;
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dout("handle_caps from mds%d\n", mds);
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@ -2617,6 +2618,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
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if (msg->front.iov_len < sizeof(*h))
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goto bad;
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h = msg->front.iov_base;
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snaptrace = h + 1;
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op = le32_to_cpu(h->op);
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vino.ino = le64_to_cpu(h->ino);
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vino.snap = CEPH_NOSNAP;
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@ -2651,8 +2653,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
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case CEPH_CAP_OP_IMPORT:
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handle_cap_import(mdsc, inode, h, session,
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msg->middle,
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le32_to_cpu(h->snap_trace_len));
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snaptrace, le32_to_cpu(h->snap_trace_len));
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check_caps = 1; /* we may have sent a RELEASE to the old auth */
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goto done;
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}
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