What does "ordering by draining" mean?

Hi,

I am reading the source code of block I/O layer, and now seeing there
saying "ordering by draining" or "ordering by tag" in
include/blkdev.h,and the comments in that file says: "Hardbarrier is
supported with one of the following methods", but what do these two
methods exactly mean?

Thanks

Regards
Jason
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Follow-Ups:
- Re: What does "ordering by draining" mean?
  - From: Jens Axboe <[email protected]>

Prev by Date: Re: ata_piix init/performance regression ?
Next by Date: [PATCH 1/2] Kprobes: Indicate kretprobe support in arch/<arch>/Kconfig
Previous by thread: [PATCH 2.6.24-rc4-mm 2/2] gpiolib: add Generic IRQ support for 16-bit PCA9539 GPIO expander
Next by thread: Re: What does "ordering by draining" mean?
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Netfilter] [Bugtraq] [Photo] [Stuff] [Gimp] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Video 4 Linux] [Linux for the blind] [Linux Resources]