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authorSteve French <smfrench@gmail.com>2013-06-25 07:20:49 +0200
committerSteve French <smfrench@gmail.com>2013-06-27 00:31:29 +0200
commit4a72dafa19ba77a2fb77ae676f8e3a0d6077c37c (patch)
tree036805a2dd4080dd833fdfa41a79e18562fd5042 /fs/read_write.c
parentCharge at least one credit, if server says that it supports multicredit (diff)
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SMB2 FSCTL and IOCTL worker function
This worker function is needed to send SMB2 fsctl (and ioctl) requests including: validating negotiation info (secure negotiate) querying the servers network interfaces copy offload (refcopy) Followon patches for the above three will use this. This patch also does general validation of the response. In the future, as David Disseldorp notes, for the copychunk ioctl case, we will want to enhance the response processing to allow returning the chunk request limits to the caller (even though the server returns an error, in that case we would return data that the caller could use - see 2.2.32.1). See MS-SMB2 Section 2.2.31 for more details on format of fsctl. Acked-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
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