From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/block/drbd/drbd_main.c | 193 +++++++++++++++--------------------------------
1 files changed, 62 insertions(+), 131 deletions(-)
diff --git a/kernel/drivers/block/drbd/drbd_main.c b/kernel/drivers/block/drbd/drbd_main.c
index 5e3885f..420bdaf 100644
--- a/kernel/drivers/block/drbd/drbd_main.c
+++ b/kernel/drivers/block/drbd/drbd_main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
drbd.c
@@ -10,19 +11,6 @@
Thanks to Carter Burden, Bart Grantham and Gennadiy Nerubayev
from Logicworks, Inc. for making SDP replication support possible.
- drbd is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- drbd is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with drbd; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
@@ -144,9 +132,10 @@
DEFINE_RATELIMIT_STATE(drbd_ratelimit_state, 5 * HZ, 5);
static const struct block_device_operations drbd_ops = {
- .owner = THIS_MODULE,
- .open = drbd_open,
- .release = drbd_release,
+ .owner = THIS_MODULE,
+ .submit_bio = drbd_submit_bio,
+ .open = drbd_open,
+ .release = drbd_release,
};
struct bio *bio_alloc_drbd(gfp_t gfp_mask)
@@ -195,7 +184,7 @@
unsigned int set_size)
{
struct drbd_request *r;
- struct drbd_request *req = NULL;
+ struct drbd_request *req = NULL, *tmp = NULL;
int expect_epoch = 0;
int expect_size = 0;
@@ -249,8 +238,11 @@
* to catch requests being barrier-acked "unexpectedly".
* It usually should find the same req again, or some READ preceding it. */
list_for_each_entry(req, &connection->transfer_log, tl_requests)
- if (req->epoch == expect_epoch)
+ if (req->epoch == expect_epoch) {
+ tmp = req;
break;
+ }
+ req = list_prepare_entry(tmp, &connection->transfer_log, tl_requests);
list_for_each_entry_safe_from(req, r, &connection->transfer_log, tl_requests) {
if (req->epoch != expect_epoch)
break;
@@ -441,7 +433,7 @@
thi->t_state = RESTARTING;
drbd_info(resource, "Restarting %s thread (from %s [%d])\n",
thi->name, current->comm, current->pid);
- /* fall through */
+ fallthrough;
case RUNNING:
case RESTARTING:
default:
@@ -479,7 +471,7 @@
smp_mb();
init_completion(&thi->stop);
if (thi->task != current)
- force_sig(DRBD_SIGKILL, thi->task);
+ send_sig(DRBD_SIGKILL, thi->task, 1);
}
spin_unlock_irqrestore(&thi->t_lock, flags);
@@ -672,7 +664,7 @@
/* DRBD protocol "pings" are latency critical.
* This is supposed to trigger tcp_push_pending_frames() */
if (!err && (cmd == P_PING || cmd == P_PING_ACK))
- drbd_tcp_nodelay(sock->socket);
+ tcp_sock_set_nodelay(sock->socket->sk);
return err;
}
@@ -995,7 +987,10 @@
p->d_size = cpu_to_be64(d_size);
p->u_size = cpu_to_be64(u_size);
- p->c_size = cpu_to_be64(trigger_reply ? 0 : drbd_get_capacity(device->this_bdev));
+ if (trigger_reply)
+ p->c_size = 0;
+ else
+ p->c_size = cpu_to_be64(get_capacity(device->vdisk));
p->max_bio_size = cpu_to_be32(max_bio_size);
p->queue_order_type = cpu_to_be16(q_order_type);
p->dds_flags = cpu_to_be16(flags);
@@ -1378,7 +1373,7 @@
struct p_data *dp, int data_size)
{
if (peer_device->connection->peer_integrity_tfm)
- data_size -= crypto_ahash_digestsize(peer_device->connection->peer_integrity_tfm);
+ data_size -= crypto_shash_digestsize(peer_device->connection->peer_integrity_tfm);
_drbd_send_ack(peer_device, cmd, dp->sector, cpu_to_be32(data_size),
dp->block_id);
}
@@ -1564,7 +1559,7 @@
* put_page(); and would cause either a VM_BUG directly, or
* __page_cache_release a page that would actually still be referenced
* by someone, leading to some obscure delayed Oops somewhere else. */
- if (drbd_disable_sendpage || (page_count(page) < 1) || PageSlab(page))
+ if (drbd_disable_sendpage || !sendpage_ok(page))
return _drbd_no_send_page(peer_device, page, offset, size, msg_flags);
msg_flags |= MSG_NOSIGNAL;
@@ -1669,12 +1664,16 @@
(bio->bi_opf & REQ_PREFLUSH ? DP_FLUSH : 0) |
(bio_op(bio) == REQ_OP_WRITE_SAME ? DP_WSAME : 0) |
(bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0) |
- (bio_op(bio) == REQ_OP_WRITE_ZEROES ? DP_DISCARD : 0);
+ (bio_op(bio) == REQ_OP_WRITE_ZEROES ?
+ ((connection->agreed_features & DRBD_FF_WZEROES) ?
+ (DP_ZEROES |(!(bio->bi_opf & REQ_NOUNMAP) ? DP_DISCARD : 0))
+ : DP_DISCARD)
+ : 0);
else
return bio->bi_opf & REQ_SYNC ? DP_RW_SYNC : 0;
}
-/* Used to send write or TRIM aka REQ_DISCARD requests
+/* Used to send write or TRIM aka REQ_OP_DISCARD requests
* R_PRIMARY -> Peer (P_DATA, P_TRIM)
*/
int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request *req)
@@ -1691,7 +1690,7 @@
sock = &peer_device->connection->data;
p = drbd_prepare_command(peer_device, sock);
digest_size = peer_device->connection->integrity_tfm ?
- crypto_ahash_digestsize(peer_device->connection->integrity_tfm) : 0;
+ crypto_shash_digestsize(peer_device->connection->integrity_tfm) : 0;
if (!p)
return -EIO;
@@ -1713,10 +1712,11 @@
}
p->dp_flags = cpu_to_be32(dp_flags);
- if (dp_flags & DP_DISCARD) {
+ if (dp_flags & (DP_DISCARD|DP_ZEROES)) {
+ enum drbd_packet cmd = (dp_flags & DP_ZEROES) ? P_ZEROES : P_TRIM;
struct p_trim *t = (struct p_trim*)p;
t->size = cpu_to_be32(req->i.size);
- err = __send_command(peer_device->connection, device->vnr, sock, P_TRIM, sizeof(*t), NULL, 0);
+ err = __send_command(peer_device->connection, device->vnr, sock, cmd, sizeof(*t), NULL, 0);
goto out;
}
if (dp_flags & DP_WSAME) {
@@ -1797,7 +1797,7 @@
p = drbd_prepare_command(peer_device, sock);
digest_size = peer_device->connection->integrity_tfm ?
- crypto_ahash_digestsize(peer_device->connection->integrity_tfm) : 0;
+ crypto_shash_digestsize(peer_device->connection->integrity_tfm) : 0;
if (!p)
return -EIO;
@@ -1857,7 +1857,7 @@
/* THINK if (signal_pending) return ... ? */
- iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, &iov, 1, size);
+ iov_iter_kvec(&msg.msg_iter, WRITE, &iov, 1, size);
if (sock == connection->data.socket) {
rcu_read_lock();
@@ -2035,6 +2035,17 @@
device->local_max_bio_size = DRBD_MAX_BIO_SIZE_SAFE;
}
+void drbd_set_my_capacity(struct drbd_device *device, sector_t size)
+{
+ char ppb[10];
+
+ set_capacity(device->vdisk, size);
+ revalidate_disk_size(device->vdisk, false);
+
+ drbd_info(device, "size = %s (%llu KB)\n",
+ ppsize(ppb, size>>1), (unsigned long long)size>>1);
+}
+
void drbd_device_cleanup(struct drbd_device *device)
{
int i;
@@ -2060,7 +2071,8 @@
}
D_ASSERT(device, first_peer_device(device)->connection->net_conf == NULL);
- drbd_set_my_capacity(device, 0);
+ set_capacity(device->vdisk, 0);
+ revalidate_disk_size(device->vdisk, false);
if (device->bitmap) {
/* maybe never allocated. */
drbd_bm_resize(device, 0, 1);
@@ -2227,9 +2239,6 @@
/* cleanup stuff that may have been allocated during
* device (re-)configuration or state changes */
- if (device->this_bdev)
- bdput(device->this_bdev);
-
drbd_backing_dev_free(device, device->ldev);
device->ldev = NULL;
@@ -2316,7 +2325,7 @@
* workqueues instead.
*/
- /* We are not just doing generic_make_request(),
+ /* We are not just doing submit_bio_noacct(),
* as we want to keep the start_time information. */
inc_ap_bio(device);
__drbd_make_request(device, bio, start_jif);
@@ -2404,62 +2413,6 @@
idr_destroy(&drbd_devices);
pr_info("module cleanup done.\n");
-}
-
-/**
- * drbd_congested() - Callback for the flusher thread
- * @congested_data: User data
- * @bdi_bits: Bits the BDI flusher thread is currently interested in
- *
- * Returns 1<<WB_async_congested and/or 1<<WB_sync_congested if we are congested.
- */
-static int drbd_congested(void *congested_data, int bdi_bits)
-{
- struct drbd_device *device = congested_data;
- struct request_queue *q;
- char reason = '-';
- int r = 0;
-
- if (!may_inc_ap_bio(device)) {
- /* DRBD has frozen IO */
- r = bdi_bits;
- reason = 'd';
- goto out;
- }
-
- if (test_bit(CALLBACK_PENDING, &first_peer_device(device)->connection->flags)) {
- r |= (1 << WB_async_congested);
- /* Without good local data, we would need to read from remote,
- * and that would need the worker thread as well, which is
- * currently blocked waiting for that usermode helper to
- * finish.
- */
- if (!get_ldev_if_state(device, D_UP_TO_DATE))
- r |= (1 << WB_sync_congested);
- else
- put_ldev(device);
- r &= bdi_bits;
- reason = 'c';
- goto out;
- }
-
- if (get_ldev(device)) {
- q = bdev_get_queue(device->ldev->backing_bdev);
- r = bdi_congested(q->backing_dev_info, bdi_bits);
- put_ldev(device);
- if (r)
- reason = 'b';
- }
-
- if (bdi_bits & (1 << WB_async_congested) &&
- test_bit(NET_CONGESTED, &first_peer_device(device)->connection->flags)) {
- r |= (1 << WB_async_congested);
- reason = reason == 'b' ? 'a' : 'n';
- }
-
-out:
- device->congestion_reason = reason;
- return r;
}
static void drbd_init_workqueue(struct drbd_work_queue* wq)
@@ -2558,11 +2511,11 @@
{
drbd_free_sock(connection);
- crypto_free_ahash(connection->csums_tfm);
- crypto_free_ahash(connection->verify_tfm);
+ crypto_free_shash(connection->csums_tfm);
+ crypto_free_shash(connection->verify_tfm);
crypto_free_shash(connection->cram_hmac_tfm);
- crypto_free_ahash(connection->integrity_tfm);
- crypto_free_ahash(connection->peer_integrity_tfm);
+ crypto_free_shash(connection->integrity_tfm);
+ crypto_free_shash(connection->peer_integrity_tfm);
kfree(connection->int_dig_in);
kfree(connection->int_dig_vv);
@@ -2767,7 +2720,7 @@
enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsigned int minor)
{
struct drbd_resource *resource = adm_ctx->resource;
- struct drbd_connection *connection;
+ struct drbd_connection *connection, *n;
struct drbd_device *device;
struct drbd_peer_device *peer_device, *tmp_peer_device;
struct gendisk *disk;
@@ -2793,11 +2746,10 @@
drbd_init_set_defaults(device);
- q = blk_alloc_queue_node(GFP_KERNEL, NUMA_NO_NODE, &resource->req_lock);
+ q = blk_alloc_queue(NUMA_NO_NODE);
if (!q)
goto out_no_q;
device->rq_queue = q;
- q->queuedata = device;
disk = alloc_disk(1);
if (!disk)
@@ -2813,14 +2765,6 @@
sprintf(disk->disk_name, "drbd%d", minor);
disk->private_data = device;
- device->this_bdev = bdget(MKDEV(DRBD_MAJOR, minor));
- /* we have no partitions. we contain only ourselves. */
- device->this_bdev->bd_contains = device->this_bdev;
-
- q->backing_dev_info->congested_fn = drbd_congested;
- q->backing_dev_info->congested_data = device;
-
- blk_queue_make_request(q, drbd_make_request);
blk_queue_write_cache(q, true, true);
/* Setting the max_hw_sectors to an odd value of 8kibyte here
This triggers a max_bio_size message upon first attach or connect */
@@ -2875,7 +2819,7 @@
if (init_submitter(device)) {
err = ERR_NOMEM;
- goto out_idr_remove_vol;
+ goto out_idr_remove_from_resource;
}
add_disk(disk);
@@ -2892,10 +2836,8 @@
drbd_debugfs_device_add(device);
return NO_ERROR;
-out_idr_remove_vol:
- idr_remove(&connection->peer_devices, vnr);
out_idr_remove_from_resource:
- for_each_connection(connection, resource) {
+ for_each_connection_safe(connection, n, resource) {
peer_device = idr_remove(&connection->peer_devices, vnr);
if (peer_device)
kref_put(&connection->kref, drbd_destroy_connection);
@@ -3002,8 +2944,7 @@
spin_lock_init(&retry.lock);
INIT_LIST_HEAD(&retry.writes);
- if (drbd_debugfs_init())
- pr_notice("failed to initialize debugfs -- will not be available\n");
+ drbd_debugfs_init();
pr_info("initialized. "
"Version: " REL_VERSION " (api:%d/proto:%d-%d)\n",
@@ -3097,7 +3038,7 @@
memset(buffer, 0, sizeof(*buffer));
- buffer->la_size_sect = cpu_to_be64(drbd_get_capacity(device->this_bdev));
+ buffer->la_size_sect = cpu_to_be64(get_capacity(device->vdisk));
for (i = UI_CURRENT; i < UI_SIZE; i++)
buffer->uuid[i] = cpu_to_be64(device->ldev->md.uuid[i]);
buffer->flags = cpu_to_be32(device->ldev->md.flags);
@@ -3155,7 +3096,7 @@
/* Update device->ldev->md.la_size_sect,
* since we updated it on metadata. */
- device->ldev->md.la_size_sect = drbd_get_capacity(device->this_bdev);
+ device->ldev->md.la_size_sect = get_capacity(device->vdisk);
drbd_md_put_buffer(device);
out:
@@ -3407,22 +3348,11 @@
* the meta-data super block. This function sets MD_DIRTY, and starts a
* timer that ensures that within five seconds you have to call drbd_md_sync().
*/
-#ifdef DEBUG
-void drbd_md_mark_dirty_(struct drbd_device *device, unsigned int line, const char *func)
-{
- if (!test_and_set_bit(MD_DIRTY, &device->flags)) {
- mod_timer(&device->md_sync_timer, jiffies + HZ);
- device->last_md_mark_dirty.line = line;
- device->last_md_mark_dirty.func = func;
- }
-}
-#else
void drbd_md_mark_dirty(struct drbd_device *device)
{
if (!test_and_set_bit(MD_DIRTY, &device->flags))
mod_timer(&device->md_sync_timer, jiffies + 5*HZ);
}
-#endif
void drbd_uuid_move_history(struct drbd_device *device) __must_hold(local)
{
@@ -3699,9 +3629,8 @@
* when we want to support more than
* one PRO_VERSION */
static const char *cmdnames[] = {
+
[P_DATA] = "Data",
- [P_WSAME] = "WriteSame",
- [P_TRIM] = "Trim",
[P_DATA_REPLY] = "DataReply",
[P_RS_DATA_REPLY] = "RSDataReply",
[P_BARRIER] = "Barrier",
@@ -3712,7 +3641,6 @@
[P_DATA_REQUEST] = "DataRequest",
[P_RS_DATA_REQUEST] = "RSDataRequest",
[P_SYNC_PARAM] = "SyncParam",
- [P_SYNC_PARAM89] = "SyncParam89",
[P_PROTOCOL] = "ReportProtocol",
[P_UUIDS] = "ReportUUIDs",
[P_SIZES] = "ReportSizes",
@@ -3720,6 +3648,7 @@
[P_SYNC_UUID] = "ReportSyncUUID",
[P_AUTH_CHALLENGE] = "AuthChallenge",
[P_AUTH_RESPONSE] = "AuthResponse",
+ [P_STATE_CHG_REQ] = "StateChgRequest",
[P_PING] = "Ping",
[P_PING_ACK] = "PingAck",
[P_RECV_ACK] = "RecvAck",
@@ -3730,24 +3659,26 @@
[P_NEG_DREPLY] = "NegDReply",
[P_NEG_RS_DREPLY] = "NegRSDReply",
[P_BARRIER_ACK] = "BarrierAck",
- [P_STATE_CHG_REQ] = "StateChgRequest",
[P_STATE_CHG_REPLY] = "StateChgReply",
[P_OV_REQUEST] = "OVRequest",
[P_OV_REPLY] = "OVReply",
[P_OV_RESULT] = "OVResult",
[P_CSUM_RS_REQUEST] = "CsumRSRequest",
[P_RS_IS_IN_SYNC] = "CsumRSIsInSync",
+ [P_SYNC_PARAM89] = "SyncParam89",
[P_COMPRESSED_BITMAP] = "CBitmap",
[P_DELAY_PROBE] = "DelayProbe",
[P_OUT_OF_SYNC] = "OutOfSync",
- [P_RETRY_WRITE] = "RetryWrite",
[P_RS_CANCEL] = "RSCancel",
[P_CONN_ST_CHG_REQ] = "conn_st_chg_req",
[P_CONN_ST_CHG_REPLY] = "conn_st_chg_reply",
[P_RETRY_WRITE] = "retry_write",
[P_PROTOCOL_UPDATE] = "protocol_update",
+ [P_TRIM] = "Trim",
[P_RS_THIN_REQ] = "rs_thin_req",
[P_RS_DEALLOCATED] = "rs_deallocated",
+ [P_WSAME] = "WriteSame",
+ [P_ZEROES] = "Zeroes",
/* enum drbd_packet, but not commands - obsoleted flags:
* P_MAY_IGNORE
--
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