diff options
| author | Eric Van Hensbergen <ericvh@ericvh-laptop.(none)> | 2007-10-17 14:31:07 -0500 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com> | 2007-10-17 14:31:07 -0500 |
| commit | fb0466c3ae7f1c73f70072af8fd27ac166908a2f (patch) | |
| tree | 24af82c397d1f155bded80f3fcb49849da28bcc9 /net/9p | |
| parent | 50fd8010673b770f6489c9ee96680c204aefa84a (diff) | |
| download | linux-fb0466c3ae7f1c73f70072af8fd27ac166908a2f.tar.gz | |
9p: fix bad kconfig cross-dependency
This patch moves transport dynamic registration and matching to the net module to prevent a bad Kconfig dependency between the net and fs 9p modules. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p')
| -rw-r--r-- | net/9p/client.c | 1 | ||||
| -rw-r--r-- | net/9p/mod.c | 62 | ||||
| -rw-r--r-- | net/9p/mux.c | 1 |
3 files changed, 64 insertions, 0 deletions
diff --git a/net/9p/client.c b/net/9p/client.c index d83cc1247f1e..af9199364049 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -30,6 +30,7 @@ #include <linux/sched.h> #include <linux/uaccess.h> #include <net/9p/9p.h> +#include <linux/parser.h> #include <net/9p/transport.h> #include <net/9p/conn.h> #include <net/9p/client.h> diff --git a/net/9p/mod.c b/net/9p/mod.c index 4f9e1d2ac257..b8ac0635ad83 100644 --- a/net/9p/mod.c +++ b/net/9p/mod.c @@ -27,6 +27,10 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <net/9p/9p.h> +#include <linux/fs.h> +#include <linux/parser.h> +#include <net/9p/transport.h> +#include <linux/list.h> #ifdef CONFIG_NET_9P_DEBUG unsigned int p9_debug_level = 0; /* feature-rific global debug level */ @@ -40,6 +44,64 @@ extern void p9_mux_global_exit(void); extern int p9_sysctl_register(void); extern void p9_sysctl_unregister(void); +/* + * Dynamic Transport Registration Routines + * + */ + +static LIST_HEAD(v9fs_trans_list); +static struct p9_trans_module *v9fs_default_transport; + +/** + * v9fs_register_trans - register a new transport with 9p + * @m - structure describing the transport module and entry points + * + */ +void v9fs_register_trans(struct p9_trans_module *m) +{ + list_add_tail(&m->list, &v9fs_trans_list); + if (m->def) + v9fs_default_transport = m; +} +EXPORT_SYMBOL(v9fs_register_trans); + +/** + * v9fs_match_trans - match transport versus registered transports + * @arg: string identifying transport + * + */ +struct p9_trans_module *v9fs_match_trans(const substring_t *name) +{ + struct list_head *p; + struct p9_trans_module *t = NULL; + + list_for_each(p, &v9fs_trans_list) { + t = list_entry(p, struct p9_trans_module, list); + if (strncmp(t->name, name->from, name->to-name->from) == 0) + break; + } + return t; +} +EXPORT_SYMBOL(v9fs_match_trans); + +/** + * v9fs_default_trans - returns pointer to default transport + * + */ + +struct p9_trans_module *v9fs_default_trans(void) +{ + if (v9fs_default_transport) + return v9fs_default_transport; + else if (!list_empty(&v9fs_trans_list)) + return list_first_entry(&v9fs_trans_list, + struct p9_trans_module, list); + else + return NULL; +} +EXPORT_SYMBOL(v9fs_default_trans); + + /** * v9fs_init - Initialize module * diff --git a/net/9p/mux.c b/net/9p/mux.c index 934e2ea86e2c..f14014793bed 100644 --- a/net/9p/mux.c +++ b/net/9p/mux.c @@ -31,6 +31,7 @@ #include <linux/idr.h> #include <linux/mutex.h> #include <net/9p/9p.h> +#include <linux/parser.h> #include <net/9p/transport.h> #include <net/9p/conn.h> |