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Add support for newers kernels, remove the temporary IOCTL and set back the writev function.

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This commit is contained in:
Godzil 2012-07-10 12:48:23 +02:00
parent 789713fa0b
commit 472265ae8a
1 changed files with 45 additions and 14 deletions
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43
kfusd/kfusd.c
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@ -38,7 +38,7 @@
* Copyright (c) 2001, Sensoria Corporation * Copyright (c) 2001, Sensoria Corporation
* Copyright (c) 2002-2003, Regents of the University of California * Copyright (c) 2002-2003, Regents of the University of California
* Copyright (c) 2007 Monty and Xiph.Org * Copyright (c) 2007 Monty and Xiph.Org
* Copyright (c) 2009-2011 Manoel Trapier <godzil@godzil.net> * Copyright (c) 2009-2012 Manoel Trapier <godzil@godzil.net>
* *
* $Id: kfusd.c 12354 2007-01-19 17:26:14Z xiphmont $ * $Id: kfusd.c 12354 2007-01-19 17:26:14Z xiphmont $
*/ */
@ -194,6 +194,11 @@ struct class_private {
#endif #endif
/*
struct sysfs_dirent *attr_sd = dentry->d_fsdata;
struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
*/
static inline struct kobject * to_kobj (struct dentry * dentry) static inline struct kobject * to_kobj (struct dentry * dentry)
{ {
struct sysfs_dirent * sd = dentry->d_fsdata; struct sysfs_dirent * sd = dentry->d_fsdata;
@ -201,7 +206,7 @@ static inline struct kobject * to_kobj (struct dentry * dentry)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
return ((struct kobject *) sd->s_element ); return ((struct kobject *) sd->s_element );
#else #else
return ((struct kobject *) sd->s_dir.kobj ); return ((struct kobject *) sd->s_parent->s_dir.kobj );
#endif #endif
else else
return NULL; return NULL;
@ -257,7 +262,7 @@ DEFINE_SEMAPHORE (fusd_devlist_sem);
//#ifdef MODULE_LICENSE //#ifdef MODULE_LICENSE
MODULE_AUTHOR ("Jeremy Elson <jelson@acm.org> (c)2001"); MODULE_AUTHOR ("Jeremy Elson <jelson@acm.org> (c)2001");
MODULE_AUTHOR ("Manoel Trapier <godzil@godzil.net> (c)2009-2011"); MODULE_AUTHOR ("Manoel Trapier <godzil@godzil.net> (c)2009-2012");
MODULE_LICENSE ("GPL"); MODULE_LICENSE ("GPL");
//#endif //#endif
@ -315,7 +320,12 @@ STATIC void rdebug_real (char *fmt, ...)
# define MAX_MEM_DEBUG 10000 # define MAX_MEM_DEBUG 10000
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
DECLARE_MUTEX (fusd_memdebug_sem); DECLARE_MUTEX (fusd_memdebug_sem);
#else
DEFINE_SEMAPHORE (fusd_memdebug_sem);
#endif
typedef struct typedef struct
{ {
@ -464,6 +474,7 @@ STATIC inline void free_fusd_msg (fusd_msg_t **fusd_msg)
VFREE(( *fusd_msg )->data); VFREE(( *fusd_msg )->data);
( *fusd_msg )->data = NULL; ( *fusd_msg )->data = NULL;
} }
RDEBUG(1, "Freeing fusd_msg [%p] then set to NULL", fusd_msg);
KFREE(*fusd_msg); KFREE(*fusd_msg);
*fusd_msg = NULL; *fusd_msg = NULL;
} }
@ -2229,6 +2240,7 @@ STATIC int fusd_register_device (fusd_dev_t *fusd_dev,
struct kobject *ko = to_kobj(classdir2); struct kobject *ko = to_kobj(classdir2);
sys_class = ( ko ? to_class(ko)->class : NULL ); sys_class = ( ko ? to_class(ko)->class : NULL );
#if 0
if ( sys_class ) if ( sys_class )
{ {
/* W T F ???? Using an existing sys_class will led to a NULL pointer crash /* W T F ???? Using an existing sys_class will led to a NULL pointer crash
@ -2237,7 +2249,7 @@ STATIC int fusd_register_device (fusd_dev_t *fusd_dev,
RDEBUG(1, "ERROR: Using existing class name is currently unsported !!!"); RDEBUG(1, "ERROR: Using existing class name is currently unsported !!!");
goto register_failed4; goto register_failed4;
} }
#endif
if ( !sys_class ) if ( !sys_class )
RDEBUG(2, "WARNING: sysfs entry for %s has no kobject!\n", register_msg.clazz); RDEBUG(2, "WARNING: sysfs entry for %s has no kobject!\n", register_msg.clazz);
} }
@ -2630,7 +2642,7 @@ STATIC ssize_t fusd_write (struct file *file,
RDEBUG(1, "%s: [%p:%p:%d:%p] [sl: %d]!!", __func__, file, buffer, length, offset, sizeof (fusd_msg_t )); RDEBUG(1, "%s: [%p:%p:%d:%p] [sl: %d]!!", __func__, file, buffer, length, offset, sizeof (fusd_msg_t ));
return fusd_process_write(file, buffer, length, NULL, 0); return fusd_process_write(file, buffer, length, NULL, 0);
} }
#ifndef HAVE_UNLOCKED_IOCTL
STATIC ssize_t fusd_writev (struct file *file, STATIC ssize_t fusd_writev (struct file *file,
const struct iovec *iov, const struct iovec *iov,
unsigned long count, unsigned long count,
@ -2646,6 +2658,23 @@ STATIC ssize_t fusd_writev (struct file *file,
iov[0].iov_base, iov[0].iov_len, iov[0].iov_base, iov[0].iov_len,
iov[1].iov_base, iov[1].iov_len); iov[1].iov_base, iov[1].iov_len);
} }
#else
STATIC ssize_t fusd_aio_write (struct kiocb *iocb,
const struct iovec *iov,
unsigned long count,
loff_t offset)
{
if ( count != 2 )
{
RDEBUG(2, "fusd_writev: got illegal iov count of %ld", count);
return -EINVAL;
}
return fusd_process_write(iocb->ki_filp,
iov[0].iov_base, iov[0].iov_len,
iov[1].iov_base, iov[1].iov_len);
}
#endif
#ifndef HAVE_UNLOCKED_IOCTL #ifndef HAVE_UNLOCKED_IOCTL
STATIC int fusd_ioctl (struct inode *inode, struct file *file, STATIC int fusd_ioctl (struct inode *inode, struct file *file,
@ -2656,6 +2685,7 @@ STATIC long fusd_unlocked_ioctl (struct file *file,
#endif #endif
{ {
void __user *argp = (void __user *) arg; void __user *argp = (void __user *) arg;
#if 0
struct iovec iov; struct iovec iov;
if ( ( argp != NULL ) && ( cmd == 0xb16b00b5 ) ) if ( ( argp != NULL ) && ( cmd == 0xb16b00b5 ) )
@ -2672,6 +2702,7 @@ STATIC long fusd_unlocked_ioctl (struct file *file,
return -EIO; return -EIO;
} }
} }
#endif
RDEBUG(2, "%s: got illegal ioctl #%08X# Or ARG is null [%p]", __func__, cmd, argp); RDEBUG(2, "%s: got illegal ioctl #%08X# Or ARG is null [%p]", __func__, cmd, argp);
return -EINVAL; return -EINVAL;
} }
@ -2882,7 +2913,7 @@ STATIC struct file_operations fusd_fops = {
.open = fusd_open, .open = fusd_open,
.read = fusd_read, .read = fusd_read,
.write = fusd_write, .write = fusd_write,
//writev: fusd_writev, .aio_write = fusd_aio_write,
.unlocked_ioctl = fusd_unlocked_ioctl, .unlocked_ioctl = fusd_unlocked_ioctl,
.release = fusd_release, .release = fusd_release,
.poll = fusd_poll, .poll = fusd_poll,