diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2025-10-22 13:41:06 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-10-22 11:14:05 -0600 |
| commit | 0d8627cc936de8ea04f3cc1e6921c63fb72cc199 (patch) | |
| tree | 843a47b69c2fb9f0b2c34cdff1618d2e307bb89f /kernel | |
| parent | 42da88a724d8a3b92ade35ae2ef4d5e5a491df2d (diff) | |
blktrace: add definitions for blk_user_trace_setup2
Add definitions for a version 2 of the blk_user_trace_setup ioctl. This
new ioctl will enable a different struct layout of the binary data passed
to user-space when using a new version of the blktrace utility requesting
the new struct layout.
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/blktrace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index df90422ae613..c31b8f433116 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1601,6 +1601,9 @@ static int __init init_blk_tracer(void) return 1; } + BUILD_BUG_ON(__alignof__(struct blk_user_trace_setup2) % + __alignof__(long)); + return 0; } |