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smb3: add missing read completion trace point 

When ENODATA returned we weren't logging the read completion
(not an error, but can be indicated by logging length 0) which
makes looking at read traces confusing for smb3.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2019-02-25 15:02:58 -06:00
parent d323c24617
commit b0a42f2ac9
1 changed files with 4 additions and 1 deletions
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5
fs/cifs/smb2pdu.c
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@ -3404,7 +3404,10 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
io_parms->tcon->tid, ses->Suid,
io_parms->offset, io_parms->length,
rc);
}
} else
trace_smb3_read_done(xid, req->PersistentFileId,
io_parms->tcon->tid, ses->Suid,
io_parms->offset, 0);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
return rc == -ENODATA ? 0 : rc;
} else