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drivers/ide/ide-disk_ioctl.c
957 Bytes
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#include <linux/kernel.h> #include <linux/ide.h> #include <linux/hdreg.h> |
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#include <linux/mutex.h> |
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#include "ide-disk.h" |
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static DEFINE_MUTEX(ide_disk_ioctl_mutex); |
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static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { { HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address }, { HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount }, { HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr }, { HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache }, { HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic }, { 0 } }; |
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int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode, |
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unsigned int cmd, unsigned long arg) { |
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int err; |
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mutex_lock(&ide_disk_ioctl_mutex); |
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err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); if (err != -EOPNOTSUPP) |
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goto out; |
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err = generic_ide_ioctl(drive, bdev, cmd, arg); out: |
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mutex_unlock(&ide_disk_ioctl_mutex); |
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return err; |
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} |