Hi Christoph,
On 9:46 13/07, Christoph Hellwig wrote:
> Hi all,
>
> this series has two parts: the first one picks up Dave's patch to avoid
> invalidation entierly for reads, picked up deep down from the btrfs iomap
> thread. The second one falls back to buffered writes if invalidation fails
ellwig
Thanks. This will help btrfs. The current next tree contains the iomap
changes I recomended and would need to be reverted in order to
incorporate this. Once this is in the next tree I will (re)format the
btrfs iomap dio patches.
Reviewed-by: Goldwyn Rodrigues
> ---
> fs/ext4/file.c | 2
From: Goldwyn Rodrigues
The read and write versions don't have anything in common except for the
call to iomap_dio_rw. So split this function, and merge each half into
its only caller.
Originally proposed by Christoph Hellwig
Signed-off-by: Goldwyn Rodrigues
---
fs/btrfs/ctree.h | 4
From: Goldwyn Rodrigues
Since we removed the last user of dio_end_io(), remove the helper
function dio_end_io().
Reviewed-by: Nikolay Borisov
Reviewed-by: Johannes Thumshirn
Reviewed-by: Christoph Hellwig
Signed-off-by: Goldwyn Rodrigues
---
fs/direct-io.c | 19
This is an effort to use iomap for direct I/O in btrfs. This would
change the call from __blockdev_direct_io() to iomap_dio_rw().
These are remanants of the series which was revoked due to page
invalidation errors and adds patches in iomap for proper buffered
fallback.
The main objective is to
From: Goldwyn Rodrigues
Since we now perform direct reads using i_rwsem, we can remove this
inode flag used to co-ordinate unlocked reads.
The truncate call takes i_rwsem. This means it is correctly synchronized
with concurrent direct reads.
Reviewed-by: Nikolay Borisov
Reviewed-by: Johannes
From: Goldwyn Rodrigues
For direct I/O, add the flag IOMAP_DIO_RWF_NO_STALE_PAGECACHE to indicate
that if the page invalidation fails, return back control to the
filesystem so it may fallback to buffered mode.
Reviewed-by: Darrick J. Wong
Signed-off-by: Goldwyn Rodrigues
---
fs/iomap/direct
On 7:01 07/07, Darrick J. Wong wrote:
> On Tue, Jul 07, 2020 at 08:49:52AM -0500, Goldwyn Rodrigues wrote:
> > On 13:57 07/07, Matthew Wilcox wrote:
> > > On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote:
> > > > On 9:53 01/07, Christoph Hellwig w
On 13:57 07/07, Matthew Wilcox wrote:
> On Tue, Jul 07, 2020 at 07:43:46AM -0500, Goldwyn Rodrigues wrote:
> > On 9:53 01/07, Christoph Hellwig wrote:
> > > On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote:
> > > > From: Goldwyn Rodrigues
> &
On 9:53 01/07, Christoph Hellwig wrote:
> On Mon, Jun 29, 2020 at 02:23:49PM -0500, Goldwyn Rodrigues wrote:
> > From: Goldwyn Rodrigues
> >
> > For direct I/O, add the flag IOMAP_DIO_RWF_NO_STALE_PAGECACHE to indicate
> > that if the page invalidation
On 18:41 19/06, Christoph Hellwig wrote:
> This will be used by gfs2 to attach data to transactions for the journaled
> data mode. But the concept is generic enough that we might be able to
> use it for other purposes like encryption/integrity post-processing in the
> future.
>
> Based on a
Hi,
I am trying to run bonnie on GFS2 but it hangs on every instance of its run.
The kernel is 2.6.35.3 on an i686x2 processor.
gfs2 is formatted with lock_nolock and mounted locally.
The backtrace of the process is -
[20937.467142] bonnie++ S 130a 0 22275 11549 0x0080
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