Messages in this thread | | | Date | Sat, 5 Nov 2016 23:27:06 +0100 | From | Jan Kara <> | Subject | Re: [PATCH 1/8] block: add WRITE_BACKGROUND |
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On Tue 01-11-16 15:08:44, Jens Axboe wrote: > This adds a new request flag, REQ_BACKGROUND, that callers can use to > tell the block layer that this is background (non-urgent) IO. > > Signed-off-by: Jens Axboe <axboe@fb.com>
Looks good. You can add:
Reviewed-by: Jan Kara <jack@suse.cz>
Honza
> --- > include/linux/blk_types.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h > index bb921028e7c5..562ac46cb790 100644 > --- a/include/linux/blk_types.h > +++ b/include/linux/blk_types.h > @@ -177,6 +177,7 @@ enum req_flag_bits { > __REQ_FUA, /* forced unit access */ > __REQ_PREFLUSH, /* request for cache flush */ > __REQ_RAHEAD, /* read ahead, can fail anytime */ > + __REQ_BACKGROUND, /* background IO */ > __REQ_NR_BITS, /* stops here */ > }; > > @@ -192,6 +193,7 @@ enum req_flag_bits { > #define REQ_FUA (1ULL << __REQ_FUA) > #define REQ_PREFLUSH (1ULL << __REQ_PREFLUSH) > #define REQ_RAHEAD (1ULL << __REQ_RAHEAD) > +#define REQ_BACKGROUND (1ULL << __REQ_BACKGROUND) > > #define REQ_FAILFAST_MASK \ > (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) > -- > 2.7.4 > -- Jan Kara <jack@suse.com> SUSE Labs, CR
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