It might make sense to move filemap_range_has_page into a separate
prep patch.
Otherwise this looks fine:
Reviewed-by: Christoph Hellwig
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From: Goldwyn Rodrigues
Find out if the write will trigger a wait due to writeback. If yes,
return -EAGAIN.
This introduces a new function filemap_range_has_page() which
returns true if the file's mapping has a page within the range
mentioned.
Return -EINVAL for buffered AIO: there are multiple
From: Goldwyn Rodrigues
Find out if the write will trigger a wait due to writeback. If yes,
return -EAGAIN.
This introduces a new function filemap_range_has_page() which
returns true if the file's mapping has a page within the range
mentioned.
Return -EINVAL for buffered AIO: there are multiple
From: Goldwyn Rodrigues
Find out if the write will trigger a wait due to writeback. If yes,
return -EAGAIN.
This introduces a new function filemap_range_has_page() which
returns true if the file's mapping has a page within the range
mentioned.
Return -EINVAL for buffered AIO: there are multiple
On 03/16/2017 08:20 AM, Matthew Wilcox wrote:
> On Wed, Mar 15, 2017 at 04:51:02PM -0500, Goldwyn Rodrigues wrote:
>> From: Goldwyn Rodrigues
>>
>> Find out if the write will trigger a wait due to writeback. If yes,
>> return -EAGAIN.
>>
>> This introduces a new function filemap_range_has_page()
On 03/16/2017 08:08 AM, Matthew Wilcox wrote:
> On Wed, Mar 15, 2017 at 04:51:02PM -0500, Goldwyn Rodrigues wrote:
>> This introduces a new function filemap_range_has_page() which
>> returns true if the file's mapping has a page within the range
>> mentioned.
>
> I thought you were going to repl
On Wed, Mar 15, 2017 at 04:51:02PM -0500, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues
>
> Find out if the write will trigger a wait due to writeback. If yes,
> return -EAGAIN.
>
> This introduces a new function filemap_range_has_page() which
> returns true if the file's mapping has a page
On Wed, Mar 15, 2017 at 04:51:02PM -0500, Goldwyn Rodrigues wrote:
> This introduces a new function filemap_range_has_page() which
> returns true if the file's mapping has a page within the range
> mentioned.
I thought you were going to replace this patch with one that starts
writeback for these p
From: Goldwyn Rodrigues
Find out if the write will trigger a wait due to writeback. If yes,
return -EAGAIN.
This introduces a new function filemap_range_has_page() which
returns true if the file's mapping has a page within the range
mentioned.
Return -EINVAL for buffered AIO: there are multiple
On Thu 02-03-17 06:12:45, Matthew Wilcox wrote:
> On Thu, Mar 02, 2017 at 11:38:45AM +0100, Jan Kara wrote:
> > On Wed 01-03-17 07:38:57, Christoph Hellwig wrote:
> > > On Tue, Feb 28, 2017 at 07:46:06PM -0800, Matthew Wilcox wrote:
> > > > But what's going to kick these pages out of cache? Should
On Thu, Mar 02, 2017 at 11:38:45AM +0100, Jan Kara wrote:
> On Wed 01-03-17 07:38:57, Christoph Hellwig wrote:
> > On Tue, Feb 28, 2017 at 07:46:06PM -0800, Matthew Wilcox wrote:
> > > But what's going to kick these pages out of cache? Shouldn't we rather
> > > find the pages, kick them out if cle
On Wed 01-03-17 07:38:57, Christoph Hellwig wrote:
> On Tue, Feb 28, 2017 at 07:46:06PM -0800, Matthew Wilcox wrote:
> > Ugh, this is pretty inefficient. If that's all you want to know, then
> > using the radix tree directly will be far more efficient than spinning
> > up all the pagevec machinery
On Tue, Feb 28, 2017 at 07:46:06PM -0800, Matthew Wilcox wrote:
> Ugh, this is pretty inefficient. If that's all you want to know, then
> using the radix tree directly will be far more efficient than spinning
> up all the pagevec machinery only to discard the pages found.
>
> But what's going to
On Tue, Feb 28, 2017 at 05:36:05PM -0600, Goldwyn Rodrigues wrote:
> Find out if the write will trigger a wait due to writeback. If yes,
> return -EAGAIN.
>
> This introduces a new function filemap_range_has_page() which
> returns true if the file's mapping has a page within the range
> mentioned.
From: Goldwyn Rodrigues
Find out if the write will trigger a wait due to writeback. If yes,
return -EAGAIN.
This introduces a new function filemap_range_has_page() which
returns true if the file's mapping has a page within the range
mentioned.
Return -EINVAL for buffered AIO: there are multiple
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