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Differential D34923 Diff 105073 stand/userboot/userboot/userboot_disk.c

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stand/userboot/userboot/userboot_disk.c

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static struct userdisk_info *ud_info; static struct userdisk_info *ud_info;
static int userdisk_init(void); static int userdisk_init(void);
static void userdisk_cleanup(void); static void userdisk_cleanup(void);
static int userdisk_strategy(void *devdata, int flag, daddr_t dblk, static int userdisk_strategy(void *devdata, int flag, daddr_t dblk,
size_t size, char *buf, size_t *rsize); size_t size, char *buf, size_t *rsize);
static int userdisk_realstrategy(void *devdata, int flag, daddr_t dblk, static int userdisk_realstrategy(void *devdata, int flag, daddr_t dblk,
size_t size, char *buf, size_t *rsize); size_t size, char *buf, size_t *rsize);
static int userdisk_open(struct open_file *f, ...); static int userdisk_open(struct open_file *f, struct devdesc *dev);
static int userdisk_close(struct open_file *f); static int userdisk_close(struct open_file *f);
static int userdisk_ioctl(struct open_file *f, u_long cmd, void *data); static int userdisk_ioctl(struct open_file *f, u_long cmd, void *data);
static int userdisk_print(int verbose); static int userdisk_print(int verbose);
struct devsw userboot_disk = { struct devsw userboot_disk = {
"disk", "disk",
DEVT_DISK, DEVT_DISK,
userdisk_init, userdisk_init,
▲ Show 20 Lines • Show All 81 Lines • ▼ Show 20 Linesuserdisk_print(int verbose)
} }
return (ret); return (ret);
} }
/* /*
* Attempt to open the disk described by (dev) for use by (f). * Attempt to open the disk described by (dev) for use by (f).
*/ */
static int static int
userdisk_open(struct open_file *f, ...) userdisk_open(struct open_file *f __unused, struct devdesc *dev)
tsoomeUnsubmitted
Done
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f is now __unused?

tsoome: f is now __unused?
{ {
va_list ap;
struct disk_devdesc *dev;
va_start(ap, f); if (dev->d_unit < 0 || dev->d_unit >= userdisk_maxunit)
dev = va_arg(ap, struct disk_devdesc *);
va_end(ap);
if (dev->dd.d_unit < 0 || dev->dd.d_unit >= userdisk_maxunit)
return (EIO); return (EIO);
ud_info[dev->dd.d_unit].ud_open++; ud_info[dev->d_unit].ud_open++;
if (ud_info[dev->dd.d_unit].ud_bcache == NULL) if (ud_info[dev->d_unit].ud_bcache == NULL)
ud_info[dev->dd.d_unit].ud_bcache = bcache_allocate(); ud_info[dev->d_unit].ud_bcache = bcache_allocate();
return (disk_open(dev, ud_info[dev->dd.d_unit].mediasize, return (disk_open((struct disk_devdesc *)dev,
ud_info[dev->dd.d_unit].sectorsize)); ud_info[dev->d_unit].mediasize, ud_info[dev->d_unit].sectorsize));
} }
static int static int
userdisk_close(struct open_file *f) userdisk_close(struct open_file *f)
{ {
struct disk_devdesc *dev; struct disk_devdesc *dev;
dev = (struct disk_devdesc *)f->f_devdata; dev = (struct disk_devdesc *)f->f_devdata;
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