*
* This file contains functions assisting in mapping VFS to 9P2000
*
- * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
+ * Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com>
* Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
*
* This program 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 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/fs.h>
+#include <linux/sched.h>
#include <linux/parser.h>
#include <linux/idr.h>
-
-#include "debug.h"
+#include <linux/slab.h>
+#include <net/9p/9p.h>
+#include <net/9p/client.h>
+#include <net/9p/transport.h>
#include "v9fs.h"
-#include "9p.h"
#include "v9fs_vfs.h"
-#include "transport.h"
-#include "mux.h"
-#include "conv.h"
+#include "cache.h"
-/* TODO: sysfs or debugfs interface */
-int v9fs_debug_level = 0; /* feature-rific global debug level */
+static DEFINE_SPINLOCK(v9fs_sessionlist_lock);
+static LIST_HEAD(v9fs_sessionlist);
/*
- * Option Parsing (code inspired by NFS code)
- *
- */
+ * Option Parsing (code inspired by NFS code)
+ * NOTE: each transport will parse its own options
+ */
enum {
/* Options that take integer arguments */
- Opt_port, Opt_msize, Opt_uid, Opt_gid, Opt_afid, Opt_debug,
- Opt_rfdno, Opt_wfdno,
+ Opt_debug, Opt_dfltuid, Opt_dfltgid, Opt_afid,
/* String options */
- Opt_name, Opt_remotename,
+ Opt_uname, Opt_remotename, Opt_trans, Opt_cache, Opt_cachetag,
/* Options that take no arguments */
- Opt_legacy, Opt_nodevmap, Opt_unix, Opt_tcp, Opt_fd,
+ Opt_nodevmap,
+ /* Cache options */
+ Opt_cache_loose, Opt_fscache,
+ /* Access options */
+ Opt_access,
/* Error token */
Opt_err
};
-static match_table_t tokens = {
- {Opt_port, "port=%u"},
- {Opt_msize, "msize=%u"},
- {Opt_uid, "uid=%u"},
- {Opt_gid, "gid=%u"},
+static const match_table_t tokens = {
+ {Opt_debug, "debug=%x"},
+ {Opt_dfltuid, "dfltuid=%u"},
+ {Opt_dfltgid, "dfltgid=%u"},
{Opt_afid, "afid=%u"},
- {Opt_rfdno, "rfdno=%u"},
- {Opt_wfdno, "wfdno=%u"},
- {Opt_debug, "debug=%u"},
- {Opt_name, "name=%s"},
+ {Opt_uname, "uname=%s"},
{Opt_remotename, "aname=%s"},
- {Opt_unix, "proto=unix"},
- {Opt_tcp, "proto=tcp"},
- {Opt_fd, "proto=fd"},
- {Opt_tcp, "tcp"},
- {Opt_unix, "unix"},
- {Opt_fd, "fd"},
- {Opt_legacy, "noextend"},
{Opt_nodevmap, "nodevmap"},
+ {Opt_cache, "cache=%s"},
+ {Opt_cache_loose, "loose"},
+ {Opt_fscache, "fscache"},
+ {Opt_cachetag, "cachetag=%s"},
+ {Opt_access, "access=%s"},
{Opt_err, NULL}
};
-/*
- * Parse option string.
- */
-
/**
* v9fs_parse_options - parse mount options into session structure
- * @options: options string passed from mount
* @v9ses: existing v9fs session information
*
+ * Return 0 upon success, -ERRNO upon failure.
*/
-static void v9fs_parse_options(char *options, struct v9fs_session_info *v9ses)
+static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
{
- char *p;
+ char *options, *tmp_options;
substring_t args[MAX_OPT_ARGS];
- int option;
- int ret;
+ char *p;
+ int option = 0;
+ char *s, *e;
+ int ret = 0;
/* setup defaults */
- v9ses->port = V9FS_PORT;
- v9ses->maxdata = 9000;
- v9ses->proto = PROTO_TCP;
- v9ses->extended = 1;
v9ses->afid = ~0;
v9ses->debug = 0;
- v9ses->rfdno = ~0;
- v9ses->wfdno = ~0;
+ v9ses->cache = 0;
+#ifdef CONFIG_9P_FSCACHE
+ v9ses->cachetag = NULL;
+#endif
+
+ if (!opts)
+ return 0;
- if (!options)
- return;
+ tmp_options = kstrdup(opts, GFP_KERNEL);
+ if (!tmp_options) {
+ ret = -ENOMEM;
+ goto fail_option_alloc;
+ }
+ options = tmp_options;
while ((p = strsep(&options, ",")) != NULL) {
int token;
if (!*p)
continue;
token = match_token(p, tokens, args);
- if (token < Opt_name) {
- if ((ret = match_int(&args[0], &option)) < 0) {
- dprintk(DEBUG_ERROR,
+ if (token < Opt_uname) {
+ int r = match_int(&args[0], &option);
+ if (r < 0) {
+ P9_DPRINTK(P9_DEBUG_ERROR,
"integer field, but no integer?\n");
+ ret = r;
continue;
}
-
}
switch (token) {
- case Opt_port:
- v9ses->port = option;
- break;
- case Opt_msize:
- v9ses->maxdata = option;
+ case Opt_debug:
+ v9ses->debug = option;
+#ifdef CONFIG_NET_9P_DEBUG
+ p9_debug_level = option;
+#endif
break;
- case Opt_uid:
- v9ses->uid = option;
+
+ case Opt_dfltuid:
+ v9ses->dfltuid = option;
break;
- case Opt_gid:
- v9ses->gid = option;
+ case Opt_dfltgid:
+ v9ses->dfltgid = option;
break;
case Opt_afid:
v9ses->afid = option;
break;
- case Opt_rfdno:
- v9ses->rfdno = option;
- break;
- case Opt_wfdno:
- v9ses->wfdno = option;
+ case Opt_uname:
+ match_strlcpy(v9ses->uname, &args[0], PATH_MAX);
break;
- case Opt_debug:
- v9ses->debug = option;
- break;
- case Opt_tcp:
- v9ses->proto = PROTO_TCP;
+ case Opt_remotename:
+ match_strlcpy(v9ses->aname, &args[0], PATH_MAX);
break;
- case Opt_unix:
- v9ses->proto = PROTO_UNIX;
+ case Opt_nodevmap:
+ v9ses->nodev = 1;
break;
- case Opt_fd:
- v9ses->proto = PROTO_FD;
+ case Opt_cache_loose:
+ v9ses->cache = CACHE_LOOSE;
break;
- case Opt_name:
- match_strcpy(v9ses->name, &args[0]);
+ case Opt_fscache:
+ v9ses->cache = CACHE_FSCACHE;
break;
- case Opt_remotename:
- match_strcpy(v9ses->remotename, &args[0]);
+ case Opt_cachetag:
+#ifdef CONFIG_9P_FSCACHE
+ v9ses->cachetag = match_strdup(&args[0]);
+#endif
break;
- case Opt_legacy:
- v9ses->extended = 0;
+ case Opt_cache:
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "problem allocating copy of cache arg\n");
+ goto free_and_return;
+ }
+
+ if (strcmp(s, "loose") == 0)
+ v9ses->cache = CACHE_LOOSE;
+ else if (strcmp(s, "fscache") == 0)
+ v9ses->cache = CACHE_FSCACHE;
+ else
+ v9ses->cache = CACHE_NONE;
+ kfree(s);
break;
- case Opt_nodevmap:
- v9ses->nodev = 1;
+
+ case Opt_access:
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "problem allocating copy of access arg\n");
+ goto free_and_return;
+ }
+
+ v9ses->flags &= ~V9FS_ACCESS_MASK;
+ if (strcmp(s, "user") == 0)
+ v9ses->flags |= V9FS_ACCESS_USER;
+ else if (strcmp(s, "any") == 0)
+ v9ses->flags |= V9FS_ACCESS_ANY;
+ else {
+ v9ses->flags |= V9FS_ACCESS_SINGLE;
+ v9ses->uid = simple_strtoul(s, &e, 10);
+ if (*e != '\0')
+ v9ses->uid = ~0;
+ }
+ kfree(s);
break;
+
default:
continue;
}
}
+
+free_and_return:
+ kfree(tmp_options);
+fail_option_alloc:
+ return ret;
}
/**
- * v9fs_inode2v9ses - safely extract v9fs session info from super block
- * @inode: inode to extract information from
- *
- * Paranoid function to extract v9ses information from superblock,
- * if anything is missing it will report an error.
+ * v9fs_session_init - initialize session
+ * @v9ses: session information structure
+ * @dev_name: device being mounted
+ * @data: options
*
*/
-struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
+struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
+ const char *dev_name, char *data)
{
- return (inode->i_sb->s_fs_info);
+ int retval = -EINVAL;
+ struct p9_fid *fid;
+ int rc;
+
+ v9ses->uname = __getname();
+ if (!v9ses->uname)
+ return ERR_PTR(-ENOMEM);
+
+ v9ses->aname = __getname();
+ if (!v9ses->aname) {
+ __putname(v9ses->uname);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ rc = bdi_setup_and_register(&v9ses->bdi, "9p", BDI_CAP_MAP_COPY);
+ if (rc) {
+ __putname(v9ses->aname);
+ __putname(v9ses->uname);
+ return ERR_PTR(rc);
+ }
+
+ spin_lock(&v9fs_sessionlist_lock);
+ list_add(&v9ses->slist, &v9fs_sessionlist);
+ spin_unlock(&v9fs_sessionlist_lock);
+
+ v9ses->flags = V9FS_ACCESS_USER;
+ strcpy(v9ses->uname, V9FS_DEFUSER);
+ strcpy(v9ses->aname, V9FS_DEFANAME);
+ v9ses->uid = ~0;
+ v9ses->dfltuid = V9FS_DEFUID;
+ v9ses->dfltgid = V9FS_DEFGID;
+
+ rc = v9fs_parse_options(v9ses, data);
+ if (rc < 0) {
+ retval = rc;
+ goto error;
+ }
+
+ v9ses->clnt = p9_client_create(dev_name, data);
+ if (IS_ERR(v9ses->clnt)) {
+ retval = PTR_ERR(v9ses->clnt);
+ v9ses->clnt = NULL;
+ P9_DPRINTK(P9_DEBUG_ERROR, "problem initializing 9p client\n");
+ goto error;
+ }
+
+ if (p9_is_proto_dotl(v9ses->clnt))
+ v9ses->flags |= V9FS_PROTO_2000L;
+ else if (p9_is_proto_dotu(v9ses->clnt))
+ v9ses->flags |= V9FS_PROTO_2000U;
+
+ v9ses->maxdata = v9ses->clnt->msize - P9_IOHDRSZ;
+
+ /* for legacy mode, fall back to V9FS_ACCESS_ANY */
+ if (!v9fs_proto_dotu(v9ses) &&
+ ((v9ses->flags&V9FS_ACCESS_MASK) == V9FS_ACCESS_USER)) {
+
+ v9ses->flags &= ~V9FS_ACCESS_MASK;
+ v9ses->flags |= V9FS_ACCESS_ANY;
+ v9ses->uid = ~0;
+ }
+
+ fid = p9_client_attach(v9ses->clnt, NULL, v9ses->uname, ~0,
+ v9ses->aname);
+ if (IS_ERR(fid)) {
+ retval = PTR_ERR(fid);
+ fid = NULL;
+ P9_DPRINTK(P9_DEBUG_ERROR, "cannot attach\n");
+ goto error;
+ }
+
+ if ((v9ses->flags & V9FS_ACCESS_MASK) == V9FS_ACCESS_SINGLE)
+ fid->uid = v9ses->uid;
+ else
+ fid->uid = ~0;
+
+#ifdef CONFIG_9P_FSCACHE
+ /* register the session for caching */
+ v9fs_cache_session_get_cookie(v9ses);
+#endif
+
+ return fid;
+
+error:
+ bdi_destroy(&v9ses->bdi);
+ return ERR_PTR(retval);
}
/**
- * v9fs_get_idpool - allocate numeric id from pool
- * @p - pool to allocate from
+ * v9fs_session_close - shutdown a session
+ * @v9ses: session information structure
*
- * XXX - This seems to be an awful generic function, should it be in idr.c with
- * the lock included in struct idr?
*/
-int v9fs_get_idpool(struct v9fs_idpool *p)
+void v9fs_session_close(struct v9fs_session_info *v9ses)
{
- int i = 0;
- int error;
-
-retry:
- if (idr_pre_get(&p->pool, GFP_KERNEL) == 0)
- return 0;
-
- if (down_interruptible(&p->lock) == -EINTR) {
- eprintk(KERN_WARNING, "Interrupted while locking\n");
- return -1;
+ if (v9ses->clnt) {
+ p9_client_destroy(v9ses->clnt);
+ v9ses->clnt = NULL;
}
- error = idr_get_new(&p->pool, NULL, &i);
- up(&p->lock);
+#ifdef CONFIG_9P_FSCACHE
+ if (v9ses->fscache) {
+ v9fs_cache_session_put_cookie(v9ses);
+ kfree(v9ses->cachetag);
+ }
+#endif
+ __putname(v9ses->uname);
+ __putname(v9ses->aname);
- if (error == -EAGAIN)
- goto retry;
- else if (error)
- return -1;
+ bdi_destroy(&v9ses->bdi);
- return i;
+ spin_lock(&v9fs_sessionlist_lock);
+ list_del(&v9ses->slist);
+ spin_unlock(&v9fs_sessionlist_lock);
}
/**
- * v9fs_put_idpool - release numeric id from pool
- * @p - pool to allocate from
+ * v9fs_session_cancel - terminate a session
+ * @v9ses: session to terminate
*
- * XXX - This seems to be an awful generic function, should it be in idr.c with
- * the lock included in struct idr?
+ * mark transport as disconnected and cancel all pending requests.
*/
-void v9fs_put_idpool(int id, struct v9fs_idpool *p)
-{
- if (down_interruptible(&p->lock) == -EINTR) {
- eprintk(KERN_WARNING, "Interrupted while locking\n");
- return;
- }
- idr_remove(&p->pool, id);
- up(&p->lock);
+void v9fs_session_cancel(struct v9fs_session_info *v9ses) {
+ P9_DPRINTK(P9_DEBUG_ERROR, "cancel session %p\n", v9ses);
+ p9_client_disconnect(v9ses->clnt);
}
/**
- * v9fs_session_init - initialize session
- * @v9ses: session information structure
- * @dev_name: device being mounted
- * @data: options
+ * v9fs_session_begin_cancel - Begin terminate of a session
+ * @v9ses: session to terminate
*
+ * After this call we don't allow any request other than clunk.
*/
-int
-v9fs_session_init(struct v9fs_session_info *v9ses,
- const char *dev_name, char *data)
+void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses)
{
- struct v9fs_fcall *fcall = NULL;
- struct v9fs_transport *trans_proto;
- int n = 0;
- int newfid = -1;
- int retval = -EINVAL;
+ P9_DPRINTK(P9_DEBUG_ERROR, "begin cancel session %p\n", v9ses);
+ p9_client_begin_disconnect(v9ses->clnt);
+}
- v9ses->name = __getname();
- if (!v9ses->name)
- return -ENOMEM;
+extern int v9fs_error_init(void);
- v9ses->remotename = __getname();
- if (!v9ses->remotename) {
- putname(v9ses->name);
- return -ENOMEM;
- }
+static struct kobject *v9fs_kobj;
- strcpy(v9ses->name, V9FS_DEFUSER);
- strcpy(v9ses->remotename, V9FS_DEFANAME);
-
- v9fs_parse_options(data, v9ses);
-
- /* set global debug level */
- v9fs_debug_level = v9ses->debug;
-
- /* id pools that are session-dependent: FIDs and TIDs */
- idr_init(&v9ses->fidpool.pool);
- init_MUTEX(&v9ses->fidpool.lock);
- idr_init(&v9ses->tidpool.pool);
- init_MUTEX(&v9ses->tidpool.lock);
-
-
- switch (v9ses->proto) {
- case PROTO_TCP:
- trans_proto = &v9fs_trans_tcp;
- break;
- case PROTO_UNIX:
- trans_proto = &v9fs_trans_unix;
- *v9ses->remotename = 0;
- break;
- case PROTO_FD:
- trans_proto = &v9fs_trans_fd;
- *v9ses->remotename = 0;
- if((v9ses->wfdno == ~0) || (v9ses->rfdno == ~0)) {
- printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n");
- retval = -ENOPROTOOPT;
- goto SessCleanUp;
- }
- break;
- default:
- printk(KERN_ERR "v9fs: Bad mount protocol %d\n", v9ses->proto);
- retval = -ENOPROTOOPT;
- goto SessCleanUp;
- };
-
- v9ses->transport = trans_proto;
-
- if ((retval = v9ses->transport->init(v9ses, dev_name, data)) < 0) {
- eprintk(KERN_ERR, "problem initializing transport\n");
- goto SessCleanUp;
- }
+#ifdef CONFIG_9P_FSCACHE
+/**
+ * caches_show - list caches associated with a session
+ *
+ * Returns the size of buffer written.
+ */
- v9ses->inprogress = 0;
- v9ses->shutdown = 0;
- v9ses->session_hung = 0;
+static ssize_t caches_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ ssize_t n = 0, count = 0, limit = PAGE_SIZE;
+ struct v9fs_session_info *v9ses;
+
+ spin_lock(&v9fs_sessionlist_lock);
+ list_for_each_entry(v9ses, &v9fs_sessionlist, slist) {
+ if (v9ses->cachetag) {
+ n = snprintf(buf, limit, "%s\n", v9ses->cachetag);
+ if (n < 0) {
+ count = n;
+ break;
+ }
- if ((retval = v9fs_mux_init(v9ses, dev_name)) < 0) {
- dprintk(DEBUG_ERROR, "problem initializing mux\n");
- goto SessCleanUp;
+ count += n;
+ limit -= n;
+ }
}
- if (v9ses->afid == ~0) {
- if (v9ses->extended)
- retval =
- v9fs_t_version(v9ses, v9ses->maxdata, "9P2000.u",
- &fcall);
- else
- retval = v9fs_t_version(v9ses, v9ses->maxdata, "9P2000",
- &fcall);
-
- if (retval < 0) {
- dprintk(DEBUG_ERROR, "v9fs_t_version failed\n");
- goto FreeFcall;
- }
+ spin_unlock(&v9fs_sessionlist_lock);
+ return count;
+}
- /* Really should check for 9P1 and report error */
- if (!strcmp(fcall->params.rversion.version, "9P2000.u")) {
- dprintk(DEBUG_9P, "9P2000 UNIX extensions enabled\n");
- v9ses->extended = 1;
- } else {
- dprintk(DEBUG_9P, "9P2000 legacy mode enabled\n");
- v9ses->extended = 0;
- }
+static struct kobj_attribute v9fs_attr_cache = __ATTR_RO(caches);
+#endif /* CONFIG_9P_FSCACHE */
- n = fcall->params.rversion.msize;
- kfree(fcall);
+static struct attribute *v9fs_attrs[] = {
+#ifdef CONFIG_9P_FSCACHE
+ &v9fs_attr_cache.attr,
+#endif
+ NULL,
+};
- if (n < v9ses->maxdata)
- v9ses->maxdata = n;
- }
+static struct attribute_group v9fs_attr_group = {
+ .attrs = v9fs_attrs,
+};
- newfid = v9fs_get_idpool(&v9ses->fidpool);
- if (newfid < 0) {
- eprintk(KERN_WARNING, "couldn't allocate FID\n");
- retval = -ENOMEM;
- goto SessCleanUp;
- }
- /* it is a little bit ugly, but we have to prevent newfid */
- /* being the same as afid, so if it is, get a new fid */
- if (v9ses->afid != ~0 && newfid == v9ses->afid) {
- newfid = v9fs_get_idpool(&v9ses->fidpool);
- if (newfid < 0) {
- eprintk(KERN_WARNING, "couldn't allocate FID\n");
- retval = -ENOMEM;
- goto SessCleanUp;
- }
- }
+/**
+ * v9fs_sysfs_init - Initialize the v9fs sysfs interface
+ *
+ */
- if ((retval =
- v9fs_t_attach(v9ses, v9ses->name, v9ses->remotename, newfid,
- v9ses->afid, NULL))
- < 0) {
- dprintk(DEBUG_ERROR, "cannot attach\n");
- goto SessCleanUp;
- }
+static int v9fs_sysfs_init(void)
+{
+ v9fs_kobj = kobject_create_and_add("9p", fs_kobj);
+ if (!v9fs_kobj)
+ return -ENOMEM;
- if (v9ses->afid != ~0) {
- if (v9fs_t_clunk(v9ses, v9ses->afid, NULL))
- dprintk(DEBUG_ERROR, "clunk failed\n");
+ if (sysfs_create_group(v9fs_kobj, &v9fs_attr_group)) {
+ kobject_put(v9fs_kobj);
+ return -ENOMEM;
}
- return newfid;
-
- FreeFcall:
- kfree(fcall);
-
- SessCleanUp:
- v9fs_session_close(v9ses);
- return retval;
+ return 0;
}
/**
- * v9fs_session_close - shutdown a session
- * @v9ses: session information structure
+ * v9fs_sysfs_cleanup - Unregister the v9fs sysfs interface
*
*/
-void v9fs_session_close(struct v9fs_session_info *v9ses)
+static void v9fs_sysfs_cleanup(void)
{
- if (v9ses->recvproc) {
- send_sig(SIGKILL, v9ses->recvproc, 1);
- wait_for_completion(&v9ses->proccmpl);
- }
-
- if (v9ses->transport)
- v9ses->transport->close(v9ses->transport);
-
- putname(v9ses->name);
- putname(v9ses->remotename);
+ sysfs_remove_group(v9fs_kobj, &v9fs_attr_group);
+ kobject_put(v9fs_kobj);
}
-extern int v9fs_error_init(void);
-
/**
- * v9fs_init - Initialize module
+ * init_v9fs - Initialize module
*
*/
static int __init init_v9fs(void)
{
- v9fs_error_init();
+ int err;
+ printk(KERN_INFO "Installing v9fs 9p2000 file system support\n");
+ /* TODO: Setup list of registered trasnport modules */
+ err = register_filesystem(&v9fs_fs_type);
+ if (err < 0) {
+ printk(KERN_ERR "Failed to register filesystem\n");
+ return err;
+ }
- printk(KERN_INFO "Installing v9fs 9P2000 file system support\n");
+ err = v9fs_cache_register();
+ if (err < 0) {
+ printk(KERN_ERR "Failed to register v9fs for caching\n");
+ goto out_fs_unreg;
+ }
+
+ err = v9fs_sysfs_init();
+ if (err < 0) {
+ printk(KERN_ERR "Failed to register with sysfs\n");
+ goto out_sysfs_cleanup;
+ }
+
+ return 0;
+
+out_sysfs_cleanup:
+ v9fs_sysfs_cleanup();
+
+out_fs_unreg:
+ unregister_filesystem(&v9fs_fs_type);
- return register_filesystem(&v9fs_fs_type);
+ return err;
}
/**
- * v9fs_init - shutdown module
+ * exit_v9fs - shutdown module
*
*/
static void __exit exit_v9fs(void)
{
+ v9fs_sysfs_cleanup();
+ v9fs_cache_unregister();
unregister_filesystem(&v9fs_fs_type);
}
module_init(init_v9fs)
module_exit(exit_v9fs)
+MODULE_AUTHOR("Latchesar Ionkov <lucho@ionkov.net>");
MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
MODULE_AUTHOR("Ron Minnich <rminnich@lanl.gov>");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff