block: drbd: drbd_main: Fix a bunch of function documentation discrepancies

Fixes the following W=1 kernel build warning(s):

 drivers/block/drbd/drbd_main.c:278: warning: Function parameter or member 'connection' not described in 'tl_clear'
 drivers/block/drbd/drbd_main.c:278: warning: Excess function parameter 'device' description in 'tl_clear'
 drivers/block/drbd/drbd_main.c:489: warning: Function parameter or member 'cpu_mask' not described in 'drbd_calc_cpu_mask'
 drivers/block/drbd/drbd_main.c:528: warning: Excess function parameter 'device' description in 'drbd_thread_current_set_cpu'
 drivers/block/drbd/drbd_main.c:549: warning: Function parameter or member 'connection' not described in 'drbd_header_size'
 drivers/block/drbd/drbd_main.c:1204: warning: Function parameter or member 'device' not described in 'send_bitmap_rle_or_plain'
 drivers/block/drbd/drbd_main.c:1204: warning: Function parameter or member 'c' not described in 'send_bitmap_rle_or_plain'
 drivers/block/drbd/drbd_main.c:1335: warning: Function parameter or member 'peer_device' not described in '_drbd_send_ack'
 drivers/block/drbd/drbd_main.c:1335: warning: Excess function parameter 'device' description in '_drbd_send_ack'
 drivers/block/drbd/drbd_main.c:1379: warning: Function parameter or member 'peer_device' not described in 'drbd_send_ack'
 drivers/block/drbd/drbd_main.c:1379: warning: Excess function parameter 'device' description in 'drbd_send_ack'
 drivers/block/drbd/drbd_main.c:1892: warning: Function parameter or member 'connection' not described in 'drbd_send_all'
 drivers/block/drbd/drbd_main.c:1892: warning: Function parameter or member 'sock' not described in 'drbd_send_all'
 drivers/block/drbd/drbd_main.c:1892: warning: Function parameter or member 'buffer' not described in 'drbd_send_all'
 drivers/block/drbd/drbd_main.c:1892: warning: Function parameter or member 'size' not described in 'drbd_send_all'
 drivers/block/drbd/drbd_main.c:1892: warning: Function parameter or member 'msg_flags' not described in 'drbd_send_all'
 drivers/block/drbd/drbd_main.c:3525: warning: Function parameter or member 'flags' not described in 'drbd_queue_bitmap_io'
 drivers/block/drbd/drbd_main.c:3563: warning: Function parameter or member 'flags' not described in 'drbd_bitmap_io'

Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: drbd-dev@lists.linbit.com
Cc: linux-block@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210312105530.2219008-9-lee.jones@linaro.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/drbd/drbd_main.c

@@ -268,7 +268,7 @@ void tl_restart(struct drbd_connection *connection, enum drbd_req_event what)
 
 /**
  * tl_clear() - Clears all requests and &struct drbd_tl_epoch objects out of the TL
- * @device:	DRBD device.
+ * @connection:	DRBD connection.
  *
  * This is called after the connection to the peer was lost. The storage covered
  * by the requests on the transfer gets marked as our of sync. Called from the
@@ -479,7 +479,7 @@ int conn_lowest_minor(struct drbd_connection *connection)
 }
 
 #ifdef CONFIG_SMP
-/**
+/*
  * drbd_calc_cpu_mask() - Generate CPU masks, spread over all CPUs
  *
  * Forces all threads of a resource onto the same CPU. This is beneficial for
@@ -518,7 +518,6 @@ static void drbd_calc_cpu_mask(cpumask_var_t *cpu_mask)
 
 /**
  * drbd_thread_current_set_cpu() - modifies the cpu mask of the _current_ thread
- * @device:	DRBD device.
  * @thi:	drbd_thread object
  *
  * call in the "main loop" of _all_ threads, no need for any mutex, current won't die
@@ -538,7 +537,7 @@ void drbd_thread_current_set_cpu(struct drbd_thread *thi)
 #define drbd_calc_cpu_mask(A) ({})
 #endif
 
-/**
+/*
  * drbd_header_size  -  size of a packet header
  *
  * The header size is a multiple of 8, so any payload following the header is
@@ -1193,7 +1192,7 @@ static int fill_bitmap_rle_bits(struct drbd_device *device,
 	return len;
 }
 
-/**
+/*
  * send_bitmap_rle_or_plain
  *
  * Return 0 when done, 1 when another iteration is needed, and a negative error
@@ -1324,11 +1323,11 @@ void drbd_send_b_ack(struct drbd_connection *connection, u32 barrier_nr, u32 set
 
 /**
  * _drbd_send_ack() - Sends an ack packet
- * @device:	DRBD device.
- * @cmd:	Packet command code.
- * @sector:	sector, needs to be in big endian byte order
- * @blksize:	size in byte, needs to be in big endian byte order
- * @block_id:	Id, big endian byte order
+ * @peer_device:	DRBD peer device.
+ * @cmd:		Packet command code.
+ * @sector:		sector, needs to be in big endian byte order
+ * @blksize:		size in byte, needs to be in big endian byte order
+ * @block_id:		Id, big endian byte order
  */
 static int _drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet cmd,
 			  u64 sector, u32 blksize, u64 block_id)
@@ -1370,9 +1369,9 @@ void drbd_send_ack_rp(struct drbd_peer_device *peer_device, enum drbd_packet cmd
 
 /**
  * drbd_send_ack() - Sends an ack packet
- * @device:	DRBD device
- * @cmd:	packet command code
- * @peer_req:	peer request
+ * @peer_device:	DRBD peer device
+ * @cmd:		packet command code
+ * @peer_req:		peer request
  */
 int drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet cmd,
 		  struct drbd_peer_request *peer_req)
@@ -1882,7 +1881,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock,
 	return sent;
 }
 
-/**
+/*
  * drbd_send_all  -  Send an entire buffer
  *
  * Returns 0 upon success and a negative error value otherwise.
@@ -3509,6 +3508,7 @@ static int w_bitmap_io(struct drbd_work *w, int unused)
  * @io_fn:	IO callback to be called when bitmap IO is possible
  * @done:	callback to be called after the bitmap IO was performed
  * @why:	Descriptive text of the reason for doing the IO
+ * @flags:	Bitmap flags
  *
  * While IO on the bitmap happens we freeze application IO thus we ensure
  * that drbd_set_out_of_sync() can not be called. This function MAY ONLY be
@@ -3554,6 +3554,7 @@ void drbd_queue_bitmap_io(struct drbd_device *device,
  * @device:	DRBD device.
  * @io_fn:	IO callback to be called when bitmap IO is possible
  * @why:	Descriptive text of the reason for doing the IO
+ * @flags:	Bitmap flags
  *
  * freezes application IO while that the actual IO operations runs. This
  * functions MAY NOT be called from worker context.