From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/arch/m68k/emu/nfblock.c | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/kernel/arch/m68k/emu/nfblock.c b/kernel/arch/m68k/emu/nfblock.c
index e9110b9..92d26c8 100644
--- a/kernel/arch/m68k/emu/nfblock.c
+++ b/kernel/arch/m68k/emu/nfblock.c
@@ -59,9 +59,9 @@
struct gendisk *disk;
};
-static blk_qc_t nfhd_make_request(struct request_queue *queue, struct bio *bio)
+static blk_qc_t nfhd_submit_bio(struct bio *bio)
{
- struct nfhd_device *dev = queue->queuedata;
+ struct nfhd_device *dev = bio->bi_disk->private_data;
struct bio_vec bvec;
struct bvec_iter iter;
int dir, len, shift;
@@ -73,7 +73,7 @@
len = bvec.bv_len;
len >>= 9;
nfhd_read_write(dev->id, 0, dir, sec >> shift, len >> shift,
- bvec_to_phys(&bvec));
+ page_to_phys(bvec.bv_page) + bvec.bv_offset);
sec += len;
}
bio_endio(bio);
@@ -93,6 +93,7 @@
static const struct block_device_operations nfhd_ops = {
.owner = THIS_MODULE,
+ .submit_bio = nfhd_submit_bio,
.getgeo = nfhd_getgeo,
};
@@ -118,12 +119,10 @@
dev->bsize = bsize;
dev->bshift = ffs(bsize) - 10;
- dev->queue = blk_alloc_queue(GFP_KERNEL);
+ dev->queue = blk_alloc_queue(NUMA_NO_NODE);
if (dev->queue == NULL)
goto free_dev;
- dev->queue->queuedata = dev;
- blk_queue_make_request(dev->queue, nfhd_make_request);
blk_queue_logical_block_size(dev->queue, bsize);
dev->disk = alloc_disk(16);
@@ -155,18 +154,22 @@
static int __init nfhd_init(void)
{
u32 blocks, bsize;
+ int ret;
int i;
nfhd_id = nf_get_id("XHDI");
if (!nfhd_id)
return -ENODEV;
- major_num = register_blkdev(major_num, "nfhd");
- if (major_num <= 0) {
+ ret = register_blkdev(major_num, "nfhd");
+ if (ret < 0) {
pr_warn("nfhd: unable to get major number\n");
- return major_num;
+ return ret;
}
+ if (!major_num)
+ major_num = ret;
+
for (i = NFHD_DEV_OFFSET; i < 24; i++) {
if (nfhd_get_capacity(i, 0, &blocks, &bsize))
continue;
--
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