Behavior summary:
Android Distro
By default disabledenabled
Android case:
1) enabled -> disabled
- mkfs.f2fs -f -g android -O casefold -C utf8:nohashonly /dev/vdb
- dump.f2fs -d3 /dev/vdb |grep s_encoding_flags
s_encoding_flags
It provides a way to disable linear lookup fallback during mkfs.
Behavior summary:
Android Distro
By default disabledenabled
Android case:
1.1) Disable linear lookup:
- mkfs.f2fs -f -g android -O casefold -C utf8:hashonly /dev/vdb
- dump.f2fs
Chao Yu 于2025年7月25日周五 10:45写道：
>
> On 7/25/2025 10:08 AM, Zhiguo Niu wrote:
> > Chao Yu via Linux-f2fs-devel
> > 于2025年7月25日周五 09:03写道：
> >>
> >> It provides a way to disable linear lookup fallback during mkfs.
> >>
> >> Behavior summary:
> >> Android Distro
> >>
On 7/25/2025 10:08 AM, Zhiguo Niu wrote:
Chao Yu via Linux-f2fs-devel
于2025年7月25日周五 09:03写道：
It provides a way to disable linear lookup fallback during mkfs.
Behavior summary:
Android Distro
By default disabledenabled
Tune w/ [no]hashonly
On 7/25/2025 9:44 AM, hanqi wrote:
在 2025/7/24 21:09, Chao Yu 写道:
On 2025/7/16 16:27, hanqi wrote:
在 2025/7/16 11:43, Jens Axboe 写道:
On 7/15/25 9:34 PM, hanqi wrote:
? 2025/7/15 22:28, Jens Axboe ??:
On 7/14/25 9:10 PM, Qi Han wrote:
Jens has already completed the development of uncach
On 7/25/2025 10:17 AM, wangzijie wrote:
On 7/22/25 22:36, wangzijie wrote:
When we need to alloc nat entry and set it dirty, we can directly add it to
dirty set list(or initialize its list_head for new_ne) instead of adding it
to clean list and make a move. Introduce init_dirty flag to do it.
S
On 7/24/2025 11:59 PM, mason.zhang wrote:
Otherwise, the filesystem may unaware of potential file corruption.
Signed-off-by: mason.zhang
---
fs/f2fs/segment.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ae1223ef648f..
> On 7/22/25 22:36, wangzijie wrote:
> > When we need to alloc nat entry and set it dirty, we can directly add it to
> > dirty set list(or initialize its list_head for new_ne) instead of adding it
> > to clean list and make a move. Introduce init_dirty flag to do it.
> >
> > Signed-off-by: wangzij
Chao Yu via Linux-f2fs-devel
于2025年7月25日周五 09:03写道：
>
> It provides a way to disable linear lookup fallback during mkfs.
>
> Behavior summary:
> Android Distro
> By default disabledenabled
> Tune w/ [no]hashonlyno yes
>
> Androi
在 2025/7/24 21:09, Chao Yu 写道:
On 2025/7/16 16:27, hanqi wrote:
在 2025/7/16 11:43, Jens Axboe 写道:
On 7/15/25 9:34 PM, hanqi wrote:
? 2025/7/15 22:28, Jens Axboe ??:
On 7/14/25 9:10 PM, Qi Han wrote:
Jens has already completed the development of uncached buffered I/O
in git [1], and in f
It provides a way to disable linear lookup fallback during mkfs.
Behavior summary:
Android Distro
By default disabledenabled
Tune w/ [no]hashonlyno yes
Android case:
1.1) Disable linear lookup:
mkfs.f2fs -f -g android -O casef
Commit 84447ee7212e correctly relocated the zone alignment check to its
proper location. However, this revealed that the original check's
condition was incorrect for multi-device setups.
This patch corrects the logic to check the alignment relative to the start
of the segment0 and improves the err
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Wed, 23 Jul 2025 22:24:56 +0800 you wrote:
> From: Sheng Yong
>
> There is no extra work before trace_f2fs_[dataread|datawrite]_end(),
> so there is no need to check trace__enabled().
>
> Signed-off-by: Sheng Yong
>
Hello:
The following patches were marked "accepted", because they were applied to
jaegeuk/f2fs.git (dev):
Patch: [f2fs-dev] f2fs: remove unnecessary tracepoint enabled check
Submitter: Sheng Yong
Committer: Jaegeuk Kim
Patchwork: https://patchwork.kernel.org/project/f2fs/list/?series=9851
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Thu, 24 Jul 2025 17:31:15 +0200 you wrote:
> When testing F2FS with xfstests using UFS backed virtual disks the
> kernel complains sometimes that f2fs_release_decomp_mem() calls
> vm_unmap_ram() from an invalid context. E
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Tue, 22 Jul 2025 15:02:40 +0900 you wrote:
> read for the pinfile using Direct I/O do not wait for dio write.
>
> Signed-off-by: yohan.joung
> ---
> fs/f2fs/file.c | 8 ++--
> 1 file changed, 6 insertions(+), 2 del
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Mon, 21 Jul 2025 10:02:31 +0800 you wrote:
> Commit 0638a3197c19 ("f2fs: avoid unused block when dio write in LFS
> mode") has fixed unused block issue for dio write in lfs mode.
>
> However, f2fs_map_blocks() may break
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Fri, 18 Jul 2025 15:04:31 -0700 you wrote:
> From: Daeho Jeong
>
> Otherwise F2FS will not do GC in background in low free section.
>
> Signed-off-by: Daeho Jeong
> ---
> fs/f2fs/gc.c | 18 --
> 1 fil
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Wed, 23 Jul 2025 22:58:37 +0800 you wrote:
> No functional changes.
>
> Signed-off-by: mason.zhang
> ---
> fs/f2fs/gc.c | 7 +--
> 1 file changed, 1 insertion(+), 6 deletions(-)
Here is the summary with links:
-
Otherwise, the filesystem may unaware of potential file corruption.
Signed-off-by: mason.zhang
---
fs/f2fs/segment.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index ae1223ef648f..ce80ba226aed 100644
--- a/fs/f2fs/segment.c
++
On 7/24/2025 11:06 PM, Jaegeuk Kim wrote:
Can we disable linear lookup by default, but add an option to enable it?
Sure.
On 07/24, Chao Yu wrote:
It provides a way to disable linear lookup fallback during mkfs.
Usage:
1. Disable linear lookup:
mkfs.f2fs -f -O casefold -C utf8:hashonly /de
When testing F2FS with xfstests using UFS backed virtual disks the
kernel complains sometimes that f2fs_release_decomp_mem() calls
vm_unmap_ram() from an invalid context. Example trace from
f2fs/007 test:
f2fs/007 5s ... [12:59:38][8.902525] run fstests f2fs/007
[ 11.468026] BUG: sleeping f
Can we disable linear lookup by default, but add an option to enable it?
On 07/24, Chao Yu wrote:
> It provides a way to disable linear lookup fallback during mkfs.
>
> Usage:
>
> 1. Disable linear lookup:
> mkfs.f2fs -f -O casefold -C utf8:hashonly /dev/vdb
> dump.f2fs -d3 /dev/vdb |grep s_enco
On 2025/7/16 16:27, hanqi wrote:
在 2025/7/16 11:43, Jens Axboe 写道:
On 7/15/25 9:34 PM, hanqi wrote:
? 2025/7/15 22:28, Jens Axboe ??:
On 7/14/25 9:10 PM, Qi Han wrote:
Jens has already completed the development of uncached buffered I/O
in git [1], and in f2fs, the feature can be enabled si
Jan,
On 2025/7/24 18:30, Jan Prusakowski via Linux-f2fs-devel wrote:
When testing F2FS with xfstests using UFS backed virtual disks the
kernel complains sometimes that f2fs_release_decomp_mem() calls
vm_unmap_ram() from an invalid context.
It will be better to include testcase & crash informat
When testing F2FS with xfstests using UFS backed virtual disks the
kernel complains sometimes that f2fs_release_decomp_mem() calls
vm_unmap_ram() from an invalid context.
This patch modifies in_task() check inside f2fs_read_end_io() to also
check if interrupts are disabled. This ensures that pages
On Wed, 23 Jul 2025, Greg Kroah-Hartman wrote:
> On Wed, Jul 23, 2025 at 09:26:39AM +0100, Lee Jones wrote:
> > On Wed, 02 Jul 2025, Greg Kroah-Hartman wrote:
> >
> > > On Tue, Jun 24, 2025 at 11:00:39AM +0100, Lee Jones wrote:
> > > > On Wed, 16 Apr 2025, Chao Yu wrote:
> > > >
> > > > > This p
On 7/22/25 22:36, wangzijie wrote:
> When we need to alloc nat entry and set it dirty, we can directly add it to
> dirty set list(or initialize its list_head for new_ne) instead of adding it
> to clean list and make a move. Introduce init_dirty flag to do it.
>
> Signed-off-by: wangzijie
> ---
>
w/ "mode=lfs" mount option, generic/299 will cause system panic as below:
[ cut here ]
kernel BUG at fs/f2fs/segment.c:2835!
Call Trace:
f2fs_allocate_data_block+0x6f4/0xc50
f2fs_map_blocks+0x970/0x1550
f2fs_iomap_begin+0xb2/0x1e0
iomap_iter+0x1d6/0x430
__iomap_dio_r
In lfs mode, dirty data needs OPU, we'd better calculate lower_p and
upper_p w/ them during has_not_enough_free_secs(), otherwise we may
encounter out-of-space issue due to we missed to reclaim enough
free section w/ foreground gc.
Fixes: 36abef4e796d ("f2fs: introduce mode=lfs mount option")
Cc:
Commit 1acd73edbbfe ("f2fs: fix to account dirty data in __get_secs_required()")
missed to calculate upper_p w/ data_secs, fix it.
Fixes: 1acd73edbbfe ("f2fs: fix to account dirty data in __get_secs_required()")
Cc: Daeho Jeong
Signed-off-by: Chao Yu
---
fs/f2fs/segment.h | 2 +-
1 file changed
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