Re: [PATCH 0/7] V3 of the async function call patches

[Ryan Hope]

I just wanted to say that because of these patches the kernel boots
faster than some hard drives can spin up/init... I have these patches
included in a patchset I maintain some users now need rootwait in the
kernel command line :D

-Ryan

On 1/7/09, Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote:
> version 3 of the async function call patches
>
> * Dropped the ACPI part; it broke i surprising ways; needs a rethink
>   (working with Len and co on that)
> * Included asynchronous delete()
>
>
> There is still no integration with the out of tree slow-work patch;
> the slow-work patch does really weird things with refcounts that make it
> really specific to cachefs and, frankly, I think it's a rather
> weird design.
>
> The overlap is maybe 200 lines of code at most, of which 100+ would
> need to be added just to deal with the various weirdnesses. I really
> don't think this is a good idea or a fair requirement on the async
> function call patch series.
>
> The following changes since commit 8903709b054a8dafe4e8c6d9a6444034d7aba36f:
>   Harvey Harrison (1):
>         xtensa: introduce swab.h
>
> are available in the git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async.git
> master
>
> Arjan van de Ven (7):
>       async: Asynchronous function calls to speed up kernel boot
>       fastboot: make scsi probes asynchronous
>       fastboot: make the libata port scan asynchronous
>       fastboot: Make libata initialization even more async
>       async: make the final inode deletion an asynchronous event
>       bootchart: improve output based on Dave Jones' feedback
>       async: don't do the initcall stuff post boot
>
>  drivers/ata/libata-core.c |   96 +++++++-------
>  drivers/scsi/scsi_scan.c  |    3 +
>  drivers/scsi/sd.c         |  109 ++++++++++------
>  fs/inode.c                |   20 ++-
>  fs/super.c                |   10 ++
>  include/linux/async.h     |   25 ++++
>  include/linux/fs.h        |    5 +
>  init/do_mounts.c          |    2 +
>  init/main.c               |    5 +-
>  kernel/Makefile           |    3 +-
>  kernel/async.c            |  321
> +++++++++++++++++++++++++++++++++++++++++++++
>  kernel/irq/autoprobe.c    |    5 +
>  kernel/module.c           |    2 +
>  scripts/bootgraph.pl      |   16 ++-
>  14 files changed, 521 insertions(+), 101 deletions(-)
>  create mode 100644 include/linux/async.h
>  create mode 100644 kernel/async.c
>
>
> --
> Arjan van de Ven 	Intel Open Source Technology Centre
> For development, discussion and tips for power savings,
> visit http://www.lesswatts.org
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