On 2018/9/27 13:12, Sahitya Tummala wrote:
> On Fri, Sep 21, 2018 at 09:12:22PM +0800, Chao Yu wrote:
>> From: Chao Yu
>>
>> Normally, DIO uses in-pllace-update, but in LFS mode, f2fs doesn't
>> allow triggering any in-place-update writes, so we fallback direct
>> write to buffered write, result i
On 2018/9/27 13:05, Jaegeuk Kim wrote:
> This makes xfstests/083 stuck. So, I'll drop it for a while.
Alright, let me check that case again.
Thanks,
>
> On 09/26, Chao Yu wrote:
>> From: Chao Yu
>>
>> Thread A Thread B
>> - f2fs_vm_page_mkwrite
>>
On 2018/9/27 12:58, Jaegeuk Kim wrote:
> On 09/27, Chao Yu wrote:
>> On 2018/9/27 3:49, Jaegeuk Kim wrote:
>>> On 09/26, Chao Yu wrote:
On 2018/9/26 9:10, Chao Yu wrote:
> On 2018/9/26 8:18, Jaegeuk Kim wrote:
>> On 09/21, Chao Yu wrote:
>>> On 2018/9/21 5:46, Jaegeuk Kim wrote:
>>
This patch shows checkpoint is disabled and keeps the flag for next mount.
Signed-off-by: Jaegeuk Kim
---
fsck/fsck.c | 2 ++
fsck/mount.c | 4
include/f2fs_fs.h | 1 +
3 files changed, 7 insertions(+)
diff --git a/fsck/fsck.c b/fsck/fsck.c
index 19220e2..ca4e74e 100644
--- a/fs
On Fri, Sep 21, 2018 at 09:12:22PM +0800, Chao Yu wrote:
> From: Chao Yu
>
> Normally, DIO uses in-pllace-update, but in LFS mode, f2fs doesn't
> allow triggering any in-place-update writes, so we fallback direct
> write to buffered write, result in bad performance of large size
> write.
>
> Thi
This makes xfstests/083 stuck. So, I'll drop it for a while.
On 09/26, Chao Yu wrote:
> From: Chao Yu
>
> Thread A Thread B
> - f2fs_vm_page_mkwrite
> - f2fs_setattr
>- down_write(i_mmap_se
On 09/27, Chao Yu wrote:
> On 2018/9/27 3:49, Jaegeuk Kim wrote:
> > On 09/26, Chao Yu wrote:
> >> On 2018/9/26 9:10, Chao Yu wrote:
> >>> On 2018/9/26 8:18, Jaegeuk Kim wrote:
> On 09/21, Chao Yu wrote:
> > On 2018/9/21 5:46, Jaegeuk Kim wrote:
> >> On 09/20, Chao Yu wrote:
> >>>
To Jaegeuk,
On 2018/9/27 11:25, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
> dev-test
> head: 008aecc0a7dd2906168196bd016a547704c2b444
> commit: 008aecc0a7dd2906168196bd016a547704c2b444 [30/30] f2fs: refactor
> ->page_mkwrite() flow
> co
On 2018/9/27 4:27, Jaegeuk Kim wrote:
> On 09/26, Junling Zheng wrote:
>> Hi, Jaegeuk
>>
>> On 2018/9/26 9:57, Jaegeuk Kim wrote:
>>> On 09/21, Junling Zheng wrote:
On 2018/9/21 5:38, Jaegeuk Kim wrote:
> On 09/20, Junling Zheng wrote:
>> Hi, Jaegeuk
>>
>> On 2018/9/20 7:35, Ja
Ping,
On 2018/9/21 21:12, Chao Yu wrote:
> From: Chao Yu
>
> Normally, DIO uses in-pllace-update, but in LFS mode, f2fs doesn't
> allow triggering any in-place-update writes, so we fallback direct
> write to buffered write, result in bad performance of large size
> write.
>
> This patch adds to
On 2018/9/26 10:09, Jaegeuk Kim wrote:
> Oh, yeah. :P
> I started to run all my tests with this. Let me see what will happen.
Any updates of this test?
Thanks
___
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On 2018/9/27 3:49, Jaegeuk Kim wrote:
> On 09/26, Chao Yu wrote:
>> On 2018/9/26 9:10, Chao Yu wrote:
>>> On 2018/9/26 8:18, Jaegeuk Kim wrote:
On 09/21, Chao Yu wrote:
> On 2018/9/21 5:46, Jaegeuk Kim wrote:
>> On 09/20, Chao Yu wrote:
>>> On 2018/9/19 1:56, Jaegeuk Kim wrote:
>>>
On 09/26, Junling Zheng wrote:
> Hi, Jaegeuk
>
> On 2018/9/26 9:57, Jaegeuk Kim wrote:
> > On 09/21, Junling Zheng wrote:
> >> On 2018/9/21 5:38, Jaegeuk Kim wrote:
> >>> On 09/20, Junling Zheng wrote:
> Hi, Jaegeuk
>
> On 2018/9/20 7:35, Jaegeuk Kim wrote:
> > On 09/19, Junling
On 09/26, Chao Yu wrote:
> On 2018/9/26 9:10, Chao Yu wrote:
> > On 2018/9/26 8:18, Jaegeuk Kim wrote:
> >> On 09/21, Chao Yu wrote:
> >>> On 2018/9/21 5:46, Jaegeuk Kim wrote:
> On 09/20, Chao Yu wrote:
> > On 2018/9/19 1:56, Jaegeuk Kim wrote:
> >> This patch avoids BUG_ON when f2fs_
From: Daniel Rosenberg
Note that, it requires "f2fs: return correct errno in f2fs_gc".
This adds a lightweight non-persistent snapshotting scheme to f2fs.
To use, mount with the option checkpoint=disable, and to return to
normal operation, remount with checkpoint=enable. If the filesystem
is sh
From: Chao Yu
Thread AThread B
- f2fs_vm_page_mkwrite
- f2fs_setattr
- down_write(i_mmap_sem)
- truncate_setsize
From: Chao Yu
There is one case that we can leave bio in f2fs, result in hanging
page writeback waiter.
Thread AThread B
- f2fs_write_cache_pages
- f2fs_submit_page_write
page #0 cached in bio #0 of cold log
- f2fs_submit_page_write
page #1 cached in bio #1 of
There is one case that we can leave bio in f2fs, result in hanging
page writeback waiter.
Thread AThread B
- f2fs_write_cache_pages
- f2fs_submit_page_write
page #0 cached in bio #0 of cold log
- f2fs_submit_page_write
page #1 cached in bio #1 of warm log
https://bugzilla.kernel.org/show_bug.cgi?id=200871
--- Comment #14 from Chao Yu (c...@kernel.org) ---
(In reply to Stathis Maneas from comment #13)
> Indeed, I can tell what is the block address in which the updated inode is
> going to be stored using both dump.f2fs and the output of the SSA block
https://bugzilla.kernel.org/show_bug.cgi?id=200871
--- Comment #13 from Stathis Maneas (sman...@cs.toronto.edu) ---
Indeed, I can tell what is the block address in which the updated inode is
going to be stored using both dump.f2fs and the output of the SSA blocks.
Then, the file system gets initi
There is one case that we can leave bio in f2fs, result in hanging
page writeback waiter.
Thread AThread B
- f2fs_write_cache_pages
- f2fs_submit_page_write
page #0 cached in bio #0 of cold log
- f2fs_submit_page_write
page #1 cached in bio #1 of warm log
https://bugzilla.kernel.org/show_bug.cgi?id=200871
--- Comment #12 from Chao Yu (c...@kernel.org) ---
(In reply to Stathis Maneas from comment #7)
> - The block number (on disk) that will accommodate the newly updated inode
> (after its mode has changed). In my case, this block number is equal to
On 2018/9/26 9:10, Chao Yu wrote:
> On 2018/9/26 8:18, Jaegeuk Kim wrote:
>> On 09/21, Chao Yu wrote:
>>> On 2018/9/21 5:46, Jaegeuk Kim wrote:
On 09/20, Chao Yu wrote:
> On 2018/9/19 1:56, Jaegeuk Kim wrote:
>> This patch avoids BUG_ON when f2fs_get_meta_page_nofail got EIO during
>>>
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