On 2 July 2018 at 19:58, Bob Peterson wrote:
> Hi,
>
> Do we really still need "clone bitmaps" in gfs2? If so, why?
> I think maybe we can get rid of them. Can someone (Steve Whitehouse
> perhaps?) think of a scenario in which they're still needed? If so,
> please elaborate and give an example.
>
Hi,
Do we really still need "clone bitmaps" in gfs2? If so, why?
I think maybe we can get rid of them. Can someone (Steve Whitehouse
perhaps?) think of a scenario in which they're still needed? If so,
please elaborate and give an example.
Regards,
Bob Peterson
---
Before this patch, gfs2 kept
Use new return type vm_fault_t for gfs2_page_mkwrite
handler.
see commit 1c8f422059ae ("mm: change return type to
vm_fault_t") for reference.
Signed-off-by: Souptick Joarder
Reviewed-by: Matthew Wilcox
---
fs/gfs2/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
Hi,
the following patches for gfs2 iomap write support have been pushed to
the gfs2 for-next branch. The gfs2 for-next branch can be found here:
https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/log/?h=for-next
This (partially) depends on the iomap-4.19-merge branch in the
From: Andreas Gruenbacher
Add support for reading from and writing to inline data to iomap_dio_rw.
This saves filesystems from having to implement fallback code for this
case.
The inline data is actually cached in the inode, so the I/O is only
direct in the sense that it doesn't go through the
From: Andreas Gruenbacher
Just copy the inline data into the page using the existing helper.
Signed-off-by: Andreas Gruenbacher
Signed-off-by: Christoph Hellwig
---
fs/iomap.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/fs/iomap.c b/fs/iomap.c
index 98a1fdd5c091..13cdcf33e6c0
Hi Darrick,
below are a few more iomap patches to enable inline data for the
iomap-4.19-merge branch.
Split the function up into two helpers for the bio based I/O and hole
case, and a small helper to call the two. This separates the code a
little better in preparation for supporting I/O to inline data.
Signed-off-by: Christoph Hellwig
Reviewed-by: Andreas Gruenbacher
---
fs/iomap.c | 88
On 2 July 2018 at 14:52, Christoph Hellwig wrote:
> On Sun, Jul 01, 2018 at 11:43:43PM +0200, Andreas Gruenbacher wrote:
>> > + WARN_ON_ONCE(plen != PAGE_SIZE);
>>
>> Inline mappings only extend to the end of the file (iomap->offset == 0
>> && iomap->length == inode->i_size), so
On Sun, Jul 01, 2018 at 11:43:43PM +0200, Andreas Gruenbacher wrote:
> > + WARN_ON_ONCE(plen != PAGE_SIZE);
>
> Inline mappings only extend to the end of the file (iomap->offset == 0
> && iomap->length == inode->i_size), so length and plen will be
> inode->i_size here. This
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