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https://github.com/edk2-porting/linux-next.git
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8a6cfeb6de
As a preparation for the removal of the big kernel lock in the block layer, this removes the BKL from the common ioctl handling code, moving it into every single driver still using it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
32 lines
877 B
C
32 lines
877 B
C
#include <linux/kernel.h>
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#include <linux/ide.h>
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#include <linux/hdreg.h>
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#include <linux/smp_lock.h>
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#include "ide-disk.h"
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static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
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{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address },
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{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount },
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{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr },
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{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache },
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{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic },
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{ 0 }
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};
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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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{
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int err;
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lock_kernel();
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err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
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if (err != -EOPNOTSUPP)
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goto out;
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err = generic_ide_ioctl(drive, bdev, cmd, arg);
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out:
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unlock_kernel();
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return err;
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}
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