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9p/trans_fd: split into dedicated module

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This allows these transports only to be used when needed.

Link: https://lkml.kernel.org/r/20211103193823.111007-3-linux@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
[Dominique: Kconfig NET_9P_FD: -depends VIRTIO, +default NET_9P]
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
This commit is contained in:
Thomas Weißschuh 2021-11-03 20:38:21 +01:00 committed by Dominique Martinet
parent 90d6cf349c
commit 1c582c6dc4
5 changed files with 23 additions and 7 deletions
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2
include/net/9p/9p.h
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@ -551,6 +551,4 @@ struct p9_fcall {
int p9_errstr2errno(char *errstr, int len);
int p9_error_init(void);
int p9_trans_fd_init(void);
void p9_trans_fd_exit(void);
#endif /* NET_9P_H */

7
net/9p/Kconfig
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@ -15,6 +15,13 @@ menuconfig NET_9P
if NET_9P
config NET_9P_FD
default NET_9P
tristate "9P FD Transport"
help
This builds support for transports over TCP, Unix sockets and
filedescriptors.
config NET_9P_VIRTIO
depends on VIRTIO
tristate "9P Virtio Transport"

5
net/9p/Makefile
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@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_NET_9P) := 9pnet.o
obj-$(CONFIG_NET_9P_FD) += 9pnet_fd.o
obj-$(CONFIG_NET_9P_XEN) += 9pnet_xen.o
obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
obj-$(CONFIG_NET_9P_RDMA) += 9pnet_rdma.o
@ -9,9 +10,11 @@ obj-$(CONFIG_NET_9P_RDMA) += 9pnet_rdma.o
client.o \
error.o \
protocol.o \
trans_fd.o \
trans_common.o \
9pnet_fd-objs := \
trans_fd.o \
9pnet_virtio-objs := \
trans_virtio.o \

2
net/9p/mod.c
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@ -177,7 +177,6 @@ static int __init init_p9(void)
p9_error_init();
pr_info("Installing 9P2000 support\n");
p9_trans_fd_init();
return ret;
}
@ -191,7 +190,6 @@ static void __exit exit_p9(void)
{
pr_info("Unloading 9P2000 support\n");
p9_trans_fd_exit();
p9_client_exit();
}

14
net/9p/trans_fd.c
View File

@ -1090,6 +1090,7 @@ static struct p9_trans_module p9_tcp_trans = {
.show_options = p9_fd_show_options,
.owner = THIS_MODULE,
};
MODULE_ALIAS_9P("tcp");
static struct p9_trans_module p9_unix_trans = {
.name = "unix",
@ -1103,6 +1104,7 @@ static struct p9_trans_module p9_unix_trans = {
.show_options = p9_fd_show_options,
.owner = THIS_MODULE,
};
MODULE_ALIAS_9P("unix");
static struct p9_trans_module p9_fd_trans = {
.name = "fd",
@ -1116,6 +1118,7 @@ static struct p9_trans_module p9_fd_trans = {
.show_options = p9_fd_show_options,
.owner = THIS_MODULE,
};
MODULE_ALIAS_9P("fd");
/**
* p9_poll_workfn - poll worker thread
@ -1149,7 +1152,7 @@ static void p9_poll_workfn(struct work_struct *work)
p9_debug(P9_DEBUG_TRANS, "finish\n");
}
int p9_trans_fd_init(void)
static int __init p9_trans_fd_init(void)
{
v9fs_register_trans(&p9_tcp_trans);
v9fs_register_trans(&p9_unix_trans);
@ -1158,10 +1161,17 @@ int p9_trans_fd_init(void)
return 0;
}
void p9_trans_fd_exit(void)
static void __exit p9_trans_fd_exit(void)
{
flush_work(&p9_poll_work);
v9fs_unregister_trans(&p9_tcp_trans);
v9fs_unregister_trans(&p9_unix_trans);
v9fs_unregister_trans(&p9_fd_trans);
}
module_init(p9_trans_fd_init);
module_exit(p9_trans_fd_exit);
MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
MODULE_DESCRIPTION("Filedescriptor Transport for 9P");
MODULE_LICENSE("GPL");