"Darrick J. Wong" writes:
> On Fri, Dec 28, 2012 at 06:48:35AM +0900, OGAWA Hirofumi wrote:
>> "Darrick J. Wong" writes:
>>
>> >> I think this flag should be separated into "FS provide stable page" and
>> >> "FS needs bounce buffer for stable page".
>> >>
>> >> My fs (I guess btrfs also)
Darrick J. Wong darrick.w...@oracle.com writes:
On Fri, Dec 28, 2012 at 06:48:35AM +0900, OGAWA Hirofumi wrote:
Darrick J. Wong darrick.w...@oracle.com writes:
I think this flag should be separated into FS provide stable page and
FS needs bounce buffer for stable page.
My fs (I guess
On Fri, Dec 28, 2012 at 06:48:35AM +0900, OGAWA Hirofumi wrote:
> "Darrick J. Wong" writes:
>
> >> I think this flag should be separated into "FS provide stable page" and
> >> "FS needs bounce buffer for stable page".
> >>
> >> My fs (I guess btrfs also) provides stable page by better way, and
On Fri, Dec 28, 2012 at 06:48:35AM +0900, OGAWA Hirofumi wrote:
Darrick J. Wong darrick.w...@oracle.com writes:
I think this flag should be separated into FS provide stable page and
FS needs bounce buffer for stable page.
My fs (I guess btrfs also) provides stable page by better way,
"Darrick J. Wong" writes:
>> I think this flag should be separated into "FS provide stable page" and
>> "FS needs bounce buffer for stable page".
>>
>> My fs (I guess btrfs also) provides stable page by better way, and
>> doesn't need to wait writeback flags too. What needs is just to avoid
>>
On Fri, Dec 28, 2012 at 04:14:49AM +0900, OGAWA Hirofumi wrote:
> "Darrick J. Wong" writes:
>
> > diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
> > index 780d4c6..0144fbb 100644
> > --- a/include/uapi/linux/fs.h
> > +++ b/include/uapi/linux/fs.h
> > @@ -69,6 +69,7 @@ struct
"Darrick J. Wong" writes:
> diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
> index 780d4c6..0144fbb 100644
> --- a/include/uapi/linux/fs.h
> +++ b/include/uapi/linux/fs.h
> @@ -69,6 +69,7 @@ struct inodes_stat_t {
> #define MS_REMOUNT 32 /* Alter flags of a mounted FS */
Darrick J. Wong darrick.w...@oracle.com writes:
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 780d4c6..0144fbb 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -69,6 +69,7 @@ struct inodes_stat_t {
#define MS_REMOUNT 32 /* Alter flags of a
On Fri, Dec 28, 2012 at 04:14:49AM +0900, OGAWA Hirofumi wrote:
Darrick J. Wong darrick.w...@oracle.com writes:
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 780d4c6..0144fbb 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -69,6 +69,7 @@
Darrick J. Wong darrick.w...@oracle.com writes:
I think this flag should be separated into FS provide stable page and
FS needs bounce buffer for stable page.
My fs (I guess btrfs also) provides stable page by better way, and
doesn't need to wait writeback flags too. What needs is just to
On Mon, Dec 17, 2012 at 11:23:59AM +0100, Jan Kara wrote:
> On Thu 13-12-12 00:08:11, Darrick J. Wong wrote:
> > Several complaints have been received regarding long file write latencies
> > when
> > memory pages must be held stable during writeback. Since it might not be
> > acceptable to stall
On Mon, Dec 17, 2012 at 12:13:36AM +0800, Zheng Liu wrote:
> On Thu, Dec 13, 2012 at 12:08:11AM -0800, Darrick J. Wong wrote:
> > diff --git a/mm/bounce.c b/mm/bounce.c
> > index 0420867..fa11935 100644
> > --- a/mm/bounce.c
> > +++ b/mm/bounce.c
> > @@ -178,6 +178,38 @@ static void
On Fri, Dec 14, 2012 at 06:06:50PM -0800, Andy Lutomirski wrote:
> On Fri, Dec 14, 2012 at 6:01 PM, Darrick J. Wong
> wrote:
> > On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
> >> It survived. I hit at least one mm bug, but I really don't think it's
> >> a problem with your
On Thu 13-12-12 00:08:11, Darrick J. Wong wrote:
> Several complaints have been received regarding long file write latencies when
> memory pages must be held stable during writeback. Since it might not be
> acceptable to stall programs for the entire duration of a page write (which
> may
> take
On Fri, Dec 14, 2012 at 06:06:50PM -0800, Andy Lutomirski wrote:
On Fri, Dec 14, 2012 at 6:01 PM, Darrick J. Wong
darrick.w...@oracle.com wrote:
On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
It survived. I hit at least one mm bug, but I really don't think it's
a problem
On Mon, Dec 17, 2012 at 12:13:36AM +0800, Zheng Liu wrote:
On Thu, Dec 13, 2012 at 12:08:11AM -0800, Darrick J. Wong wrote:
diff --git a/mm/bounce.c b/mm/bounce.c
index 0420867..fa11935 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -178,6 +178,38 @@ static void
On Mon, Dec 17, 2012 at 11:23:59AM +0100, Jan Kara wrote:
On Thu 13-12-12 00:08:11, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies
when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall programs
On Thu 13-12-12 00:08:11, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall programs for the entire duration of a page write (which
may
take many
On Thu, Dec 13, 2012 at 12:08:11AM -0800, Darrick J. Wong wrote:
> diff --git a/mm/bounce.c b/mm/bounce.c
> index 0420867..fa11935 100644
> --- a/mm/bounce.c
> +++ b/mm/bounce.c
> @@ -178,6 +178,38 @@ static void bounce_end_io_read_isa(struct bio *bio, int
> err)
> __bounce_end_io_read(bio,
On Thu, Dec 13, 2012 at 12:08:11AM -0800, Darrick J. Wong wrote:
diff --git a/mm/bounce.c b/mm/bounce.c
index 0420867..fa11935 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -178,6 +178,38 @@ static void bounce_end_io_read_isa(struct bio *bio, int
err)
__bounce_end_io_read(bio,
On Fri, Dec 14, 2012 at 6:01 PM, Darrick J. Wong
wrote:
> On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
>> It survived. I hit at least one mm bug, but I really don't think it's
>> a problem with your code. (I have not tried this workload on Linux
>> 3.7 at all before. It
On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
> On Thu, Dec 13, 2012 at 6:10 PM, Darrick J. Wong
> wrote:
> > On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
> >> On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
> >> > Several complaints have been received
On Thu, Dec 13, 2012 at 6:10 PM, Darrick J. Wong
wrote:
> On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
>> On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
>> > Several complaints have been received regarding long file write latencies
>> > when
>> > memory pages must be held
On Fri, Dec 14, 2012 at 02:33:34PM +1100, Dave Chinner wrote:
> On Thu, Dec 13, 2012 at 06:10:49PM -0800, Darrick J. Wong wrote:
> > On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
> > > On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
> > > > Several complaints have been received
On Fri, Dec 14, 2012 at 02:33:34PM +1100, Dave Chinner wrote:
On Thu, Dec 13, 2012 at 06:10:49PM -0800, Darrick J. Wong wrote:
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been received regarding
On Thu, Dec 13, 2012 at 6:10 PM, Darrick J. Wong
darrick.w...@oracle.com wrote:
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies
when
memory pages must
On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
On Thu, Dec 13, 2012 at 6:10 PM, Darrick J. Wong
darrick.w...@oracle.com wrote:
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been
On Fri, Dec 14, 2012 at 6:01 PM, Darrick J. Wong
darrick.w...@oracle.com wrote:
On Fri, Dec 14, 2012 at 05:12:37PM -0800, Andy Lutomirski wrote:
It survived. I hit at least one mm bug, but I really don't think it's
a problem with your code. (I have not tried this workload on Linux
3.7 at all
On Thu, Dec 13, 2012 at 06:10:49PM -0800, Darrick J. Wong wrote:
> On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
> > On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
> > > Several complaints have been received regarding long file write latencies
> > > when
> > > memory pages must
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
> On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
> > Several complaints have been received regarding long file write latencies
> > when
> > memory pages must be held stable during writeback. Since it might not be
> > acceptable to
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
> Several complaints have been received regarding long file write latencies when
> memory pages must be held stable during writeback. Since it might not be
> acceptable to stall programs for the entire duration of a page write (which
> may
> take
Several complaints have been received regarding long file write latencies when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall programs for the entire duration of a page write (which may
take many milliseconds even on good hardware), enable a second
Several complaints have been received regarding long file write latencies when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall programs for the entire duration of a page write (which may
take many milliseconds even on good hardware), enable a second
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall programs for the entire duration of a page write (which
may
take many
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies
when
memory pages must be held stable during writeback. Since it might not be
acceptable to stall
On Thu, Dec 13, 2012 at 06:10:49PM -0800, Darrick J. Wong wrote:
On Thu, Dec 13, 2012 at 05:48:06PM -0800, Andy Lutomirski wrote:
On 12/13/2012 12:08 AM, Darrick J. Wong wrote:
Several complaints have been received regarding long file write latencies
when
memory pages must be held
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