staging: unisys: visorbus: remove putfile data structures
authorDavid Kershner <david.kershner@unisys.com>
Wed, 1 Feb 2017 22:38:59 +0000 (17:38 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 2 Feb 2017 12:10:49 +0000 (13:10 +0100)
There were several unused data structures dealing with putfile that are no
longer being used. So get rid of them.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/unisys/visorbus/visorchipset.c

index c90ea6a..7ed0664 100644 (file)
@@ -114,60 +114,6 @@ static unsigned long controlvm_payload_bytes_buffered;
 static struct controlvm_message controlvm_pending_msg;
 static bool controlvm_pending_msg_valid;
 
-/*
- * This describes a buffer and its current state of transfer (e.g., how many
- * bytes have already been supplied as putfile data, and how many bytes are
- * remaining) for a putfile_request.
- */
-struct putfile_active_buffer {
-       /* a payload from a controlvm message, containing a file data buffer */
-       struct parser_context *parser_ctx;
-       /* points within data area of parser_ctx to next byte of data */
-       size_t bytes_remaining;
-};
-
-#define PUTFILE_REQUEST_SIG 0x0906101302281211
-/*
- * This identifies a single remote --> local CONTROLVM_TRANSMIT_FILE
- * conversation. Structs of this type are dynamically linked into
- * <Putfile_request_list>.
- */
-struct putfile_request {
-       u64 sig;                /* PUTFILE_REQUEST_SIG */
-
-       /* header from original TransmitFile request */
-       struct controlvm_message_header controlvm_header;
-
-       /* link to next struct putfile_request */
-       struct list_head next_putfile_request;
-
-       /*
-        * head of putfile_buffer_entry list, which describes the data to be
-        * supplied as putfile data;
-        * - this list is added to when controlvm messages come in that supply
-        * file data
-        * - this list is removed from via the hotplug program that is actually
-        * consuming these buffers to write as file data
-        */
-       struct list_head input_buffer_list;
-       spinlock_t req_list_lock;       /* lock for input_buffer_list */
-
-       /* waiters for input_buffer_list to go non-empty */
-       wait_queue_head_t input_buffer_wq;
-
-       /* data not yet read within current putfile_buffer_entry */
-       struct putfile_active_buffer active_buf;
-
-       /*
-        * <0 = failed, 0 = in-progress, >0 = successful;
-        * note that this must be set with req_list_lock, and if you set <0,
-        * it is your responsibility to also free up all of the other objects
-        * in this struct (like input_buffer_list, active_buf.parser_ctx)
-        * before releasing the lock
-        */
-       int completion_status;
-};
-
 struct parahotplug_request {
        struct list_head list;
        int id;