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ide: Remove ide_spin_wait_hwgroup() and use special requests instead

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Use a special request for serialisation purposes and get rid of the
awkward ide_spin_wait_hwgroup(). This also involves converting the
ide_devset structure so it can be shared by the /proc and the ioctl code.

Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
[bart: use rq->cmd[] directly]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Elias Oltmanns
2008-10-10 22:39:40 +02:00
committed by Bartlomiej Zolnierkiewicz
parent d6e2955a6b
commit 92f1f8fd80
10 changed files with 271 additions and 281 deletions
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drivers/ide/ide-ioctls.c
+11 -10
View File
@@ -6,11 +6,11 @@
#include <linux/ide.h>
static const struct ide_ioctl_devset ide_ioctl_settings[] = {
{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit },
{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings },
{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq },
{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma },
{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode },
{ HDIO_GET_32BIT, HDIO_SET_32BIT, &ide_devset_io_32bit },
{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, &ide_devset_keepsettings },
{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, &ide_devset_unmaskirq },
{ HDIO_GET_DMA, HDIO_SET_DMA, &ide_devset_using_dma },
{ -1, HDIO_SET_PIO_MODE, &ide_devset_pio_mode },
{ 0 }
};
@@ -18,13 +18,14 @@ int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev,
unsigned int cmd, unsigned long arg,
const struct ide_ioctl_devset *s)
{
const struct ide_devset *ds;
unsigned long flags;
int err = -EOPNOTSUPP;
for (; s->get_ioctl; s++) {
if (s->get && s->get_ioctl == cmd)
for (; (ds = s->setting); s++) {
if (ds->get && s->get_ioctl == cmd)
goto read_val;
else if (s->set && s->set_ioctl == cmd)
else if (ds->set && s->set_ioctl == cmd)
goto set_val;
}
@@ -33,7 +34,7 @@ int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev,
read_val:
mutex_lock(&ide_setting_mtx);
spin_lock_irqsave(&ide_lock, flags);
err = s->get(drive);
err = ds->get(drive);
spin_unlock_irqrestore(&ide_lock, flags);
mutex_unlock(&ide_setting_mtx);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
@@ -46,7 +47,7 @@ set_val:
err = -EACCES;
else {
mutex_lock(&ide_setting_mtx);
err = s->set(drive, arg);
err = ide_devset_execute(drive, ds, arg);
mutex_unlock(&ide_setting_mtx);
}
}