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| author | Jens Axboe <axboe@fb.com> | 2014-05-29 18:09:00 +0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-05-29 18:09:00 +0400 |
| commit | 4d92a9beb39d80a7d8ff7c04ae12a10290105ae5 (patch) | |
| tree | 6c0c28e1e1e3edf9958bedbe9d5e6c2f84a13b92 /include/linux/blkdev.h | |
| parent | cdef54dd85ad66e77262ea57796a3e81683dd5d6 (diff) | |
| download | linux-4d92a9beb39d80a7d8ff7c04ae12a10290105ae5.tar.xz | |
block: remove 'magic' from struct blk_plug
I don't think we've ever caught any bugs with this, and there's the
list poisoning for the plug lists to catch uninitialized cases.
So remove the magic member and save 8 bytes in the struct.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 913f1c2d3be0..098304576d51 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1060,7 +1060,6 @@ static inline void blk_post_runtime_resume(struct request_queue *q, int err) {} * schedule() where blk_schedule_flush_plug() is called. */ struct blk_plug { - unsigned long magic; /* detect uninitialized use-cases */ struct list_head list; /* requests */ struct list_head mq_list; /* blk-mq requests */ struct list_head cb_list; /* md requires an unplug callback */ |