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block: move ->timeout request member 

After the recent timeout handling changes, we have two holes in
the struct. Move the timeout near the deadline, killing both,
and moving related members closer together. On my config on
x86-64, this shrinks struct request from 312 to 304 bytes.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-05-29 08:47:57 -06:00
parent d1210d5afb
commit 0b7576d8eb
1 changed files with 2 additions and 2 deletions
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4
include/linux/blkdev.h
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@ -237,8 +237,6 @@ struct request {
unsigned short write_hint;
unsigned short ioprio;
unsigned int timeout;
void *special; /* opaque pointer available for LLD use */
unsigned int extra_len; /* length of alignment and padding */
@ -246,6 +244,8 @@ struct request {
enum mq_rq_state state;
refcount_t ref;
unsigned int timeout;
/* access through blk_rq_set_deadline, blk_rq_deadline */
unsigned long __deadline;