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block: add and use scsi_blk_cmd_ioctl

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Introduce a wrapper around scsi_cmd_ioctl that takes a block device.

The function will then be enhanced to detect partition block devices
and, in that case, subject the ioctls to whitelisting.

Cc: [email protected]
Cc: Jens Axboe <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Paolo Bonzini 2012-01-12 16:01:27 +01:00 • committed by Linus Torvalds
commit 577ebb374c
8 changed files with 18 additions and 12 deletions
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3
drivers/ide/ide-floppy_ioctl.c
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@ -292,8 +292,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev,
* and CDROM_SEND_PACKET (legacy) ioctls
*/
if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
err = scsi_cmd_ioctl(bdev->bd_disk->queue, bdev->bd_disk,
mode, cmd, argp);
err = scsi_cmd_blk_ioctl(bdev, mode, cmd, argp);
if (err == -ENOTTY)
err = generic_ide_ioctl(drive, bdev, cmd, arg);