[PATCH 08/11] block: drbd: drbd_main: Fix a bunch of function documentation discrepancies

From: Lee Jones
Date: Fri Mar 12 2021 - 05:56:32 EST


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@xxxxxxxxxx>
Cc: Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: drbd-dev@xxxxxxxxxxxxxxxx
Cc: linux-block@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/block/drbd/drbd_main.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 69c9640d407df..2ca126bbbc377 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/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.
--
2.27.0