> On Tue, Feb 02, 2021 at 01:12:04PM +0900, Changheun Lee wrote:
> > > On Mon, Feb 01, 2021 at 11:52:48AM +0900, Changheun Lee wrote:
> > > > > On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> > > > > > bio size can grow up to 4GB when muli-page bvec is enabled.
> > > > > > but some
On Tue, Feb 02, 2021 at 01:12:04PM +0900, Changheun Lee wrote:
> > On Mon, Feb 01, 2021 at 11:52:48AM +0900, Changheun Lee wrote:
> > > > On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> > > > > bio size can grow up to 4GB when muli-page bvec is enabled.
> > > > > but sometimes it w
> On Mon, Feb 01, 2021 at 11:52:48AM +0900, Changheun Lee wrote:
> > > On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> > > > bio size can grow up to 4GB when muli-page bvec is enabled.
> > > > but sometimes it would lead to inefficient behaviors.
> > > > in case of large chunk dire
On Mon, Feb 01, 2021 at 11:52:48AM +0900, Changheun Lee wrote:
> > On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> > > bio size can grow up to 4GB when muli-page bvec is enabled.
> > > but sometimes it would lead to inefficient behaviors.
> > > in case of large chunk direct I/O, -
> On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> > bio size can grow up to 4GB when muli-page bvec is enabled.
> > but sometimes it would lead to inefficient behaviors.
> > in case of large chunk direct I/O, - 32MB chunk read in user space -
> > all pages for 32MB would be merged
On Fri, Jan 29, 2021 at 12:49:08PM +0900, Changheun Lee wrote:
> bio size can grow up to 4GB when muli-page bvec is enabled.
> but sometimes it would lead to inefficient behaviors.
> in case of large chunk direct I/O, - 32MB chunk read in user space -
> all pages for 32MB would be merged to a bio s
bio size can grow up to 4GB when muli-page bvec is enabled.
but sometimes it would lead to inefficient behaviors.
in case of large chunk direct I/O, - 32MB chunk read in user space -
all pages for 32MB would be merged to a bio structure if the pages
physical addresses are contiguous. it makes some
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