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blktrace: handle BLKTRACESETUP2 ioctl

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Handle the BLKTRACESETUP2 ioctl, requesting an extended version of the
blktrace protocol from user-space.

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Johannes Thumshirn
2025-10-22 13:41:15 +02:00
committed by Jens Axboe
parent 3f6722816a
commit 4ae8efb4f9
2 changed files with 37 additions and 0 deletions
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block/ioctl.c
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@@ -691,6 +691,7 @@ long blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
/* Incompatible alignment on i386 */
case BLKTRACESETUP:
case BLKTRACESETUP2:
return blk_trace_ioctl(bdev, cmd, argp);
default:
break;