On Thu, Apr 24, 2025 at 10:37:40AM +0200, Christoph Hellwig wrote:
> On Wed, Apr 23, 2025 at 02:02:11PM -0400, Kent Overstreet wrote:
> > Allocating your own bio doesn't allow you to safely exceed the
> > BIO_MAX_VECS limit - there's places in the io path that need to bounce,
> > and they all use b
On Wed, Apr 23, 2025 at 02:02:11PM -0400, Kent Overstreet wrote:
> Allocating your own bio doesn't allow you to safely exceed the
> BIO_MAX_VECS limit - there's places in the io path that need to bounce,
> and they all use biosets.
Yes. Another reason not to do it, which I don't want to anyway.
On Wed, Apr 23, 2025 at 06:07:33PM +0200, Christoph Hellwig wrote:
> On Wed, Apr 23, 2025 at 06:37:41AM -0400, Kent Overstreet wrote:
> > > It also don't support bio chaining or error handling and requires a
> > > single bio that is guaranteed to fit the required number of vectors.
> >
> > Why wou
On Wed, Apr 23, 2025 at 06:37:41AM -0400, Kent Overstreet wrote:
> > It also don't support bio chaining or error handling and requires a
> > single bio that is guaranteed to fit the required number of vectors.
>
> Why would bio chaining ever be required? The caller allocates both the
> buf and the
On Wed, Apr 23, 2025 at 11:36:21AM +0200, Christoph Hellwig wrote:
> On Tue, Apr 22, 2025 at 10:47:03AM -0400, Kent Overstreet wrote:
> > On Tue, Apr 22, 2025 at 04:26:01PM +0200, Christoph Hellwig wrote:
> > > Hi all,
> > >
> > > this series adds more block layer helpers to remove boilerplate cod
On Tue, Apr 22, 2025 at 10:47:03AM -0400, Kent Overstreet wrote:
> On Tue, Apr 22, 2025 at 04:26:01PM +0200, Christoph Hellwig wrote:
> > Hi all,
> >
> > this series adds more block layer helpers to remove boilerplate code when
> > adding memory to a bio or to even do the entire synchronous I/O.
>
On Tue, Apr 22, 2025 at 04:26:01PM +0200, Christoph Hellwig wrote:
> Hi all,
>
> this series adds more block layer helpers to remove boilerplate code when
> adding memory to a bio or to even do the entire synchronous I/O.
>
> The main aim is to avoid having to convert to a struct page in the call
Hi all,
this series adds more block layer helpers to remove boilerplate code when
adding memory to a bio or to even do the entire synchronous I/O.
The main aim is to avoid having to convert to a struct page in the caller
when adding kernel direct mapping or vmalloc memory.
Diffstat:
block/bio.c
