Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Fri, 25 Apr 2025 17:50:55 +0800 you wrote:
> Support to inject a timeout fault into function, currently it only
> support to inject timeout to commit_atomic_write flow to reproduce
> inconsistent bug, like the bug fixed b
Support to inject a timeout fault into function, currently it only
support to inject timeout to commit_atomic_write flow to reproduce
inconsistent bug, like the bug fixed by commit f098aeba04c9 ("f2fs:
fix to avoid atomicity corruption of atomic file").
By default, the new type fault will inject 1
On Sun, Mar 30, 2025 at 7:54 PM Chao Yu wrote:
>
> After commit 91b587ba79e1 ("f2fs: Introduce linear search for
> dentries"), f2fs forced to use linear lookup whenever a hash-based
> lookup fails on casefolded directory, it may affect performance
> for scenarios: a) create a new file w/ filename
On 4/1/25 00:31, Daniel Lee wrote:
> On Sun, Mar 30, 2025 at 7:54 PM Chao Yu wrote:
>>
>> After commit 91b587ba79e1 ("f2fs: Introduce linear search for
>> dentries"), f2fs forced to use linear lookup whenever a hash-based
>> lookup fails on casefolded directory, it may affect performance
>> for sc
After commit 91b587ba79e1 ("f2fs: Introduce linear search for
dentries"), f2fs forced to use linear lookup whenever a hash-based
lookup fails on casefolded directory, it may affect performance
for scenarios: a) create a new file w/ filename it doesn't exist
in directory, b) lookup a file which may
On Mon, Mar 17, 2025 at 8:45 PM Chao Yu wrote:
>
> On 3/18/25 03:08, Daeho Jeong wrote:
> > From: Daeho Jeong
> >
> > support a file truncation to zero size for device aliasing files.
> >
> > Signed-off-by: Daeho Jeong
> > ---
> > fs/f2fs/file.c | 5 -
> > 1 file changed, 4 insertions(+), 1
On 3/18/25 03:08, Daeho Jeong wrote:
> From: Daeho Jeong
>
> support a file truncation to zero size for device aliasing files.
>
> Signed-off-by: Daeho Jeong
> ---
> fs/f2fs/file.c | 5 -
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> i
From: Daeho Jeong
support a file truncation to zero size for device aliasing files.
Signed-off-by: Daeho Jeong
---
fs/f2fs/file.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index f92a9fba9991..7ae5a5af5ed9 100644
--- a/fs/f2fs/file.c
On Mon, Mar 03, 2025 at 11:06:44PM +, Eric Biggers wrote:
> > +/* used for FS_IOC_GETFLAGS and FS_IOC_SETFLAGS */
> > +enum {
> > + F2FS_NOLINEAR_LOOKUP_FLAG = 0x0800,
> > +};
>
> FS_IOC_GETFLAGS and FS_IOC_SETFLAGS are not filesystem-specific, and the
> supported flags are declared in i
On 3/4/25 07:06, Eric Biggers wrote:
> On Mon, Mar 03, 2025 at 11:46:06AM +0800, Chao Yu via Linux-f2fs-devel wrote:
>> This patch introduces a new flag F2FS_NOLINEAR_LOOKUP_FL, so that we can
>> tag casefolded directory w/ it to disable linear lookup functionality,
>> it can be used for QA.
>>
>>
On Mon, Mar 03, 2025 at 11:46:06AM +0800, Chao Yu via Linux-f2fs-devel wrote:
> This patch introduces a new flag F2FS_NOLINEAR_LOOKUP_FL, so that we can
> tag casefolded directory w/ it to disable linear lookup functionality,
> it can be used for QA.
>
> Signed-off-by: Chao Yu
> ---
> fs/f2fs/di
This patch introduces a new flag F2FS_NOLINEAR_LOOKUP_FL, so that we can
tag casefolded directory w/ it to disable linear lookup functionality,
it can be used for QA.
Signed-off-by: Chao Yu
---
fs/f2fs/dir.c | 3 ++-
fs/f2fs/f2fs.h| 2 ++
fs/f2fs/file.c| 36
On Fri, Sep 27, 2024 at 12:25 AM Daejun Park wrote:
>
> With zoned storage, F2FS avoids direct IO writes and uses buffered writes
> with page cache flushes to prevent unaligned writes. However, the
> unaligned write can be avoided by allowing only a single thread per zone
> to perform direct write
With zoned storage, F2FS avoids direct IO writes and uses buffered writes
with page cache flushes to prevent unaligned writes. However, the
unaligned write can be avoided by allowing only a single thread per zone
to perform direct writes.
To achieve direct writes in zoned storage, it uses semephor
Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Thu, 29 Feb 2024 22:38:38 +0800 you wrote:
> Support .shutdown callback in f2fs_sops, then, it can be called to
> shut down the file system when underlying block device is marked dead.
>
> Signed-off-by: Chao Yu
> ---
>
Will check this after merge window.
On 03/12, Chao Yu wrote:
> Ping,
>
> On 2024/2/29 22:38, Chao Yu wrote:
> > Support .shutdown callback in f2fs_sops, then, it can be called to
> > shut down the file system when underlying block device is marked dead.
> >
> > Signed-off-by: Chao Yu
> > ---
>
Ping,
On 2024/2/29 22:38, Chao Yu wrote:
Support .shutdown callback in f2fs_sops, then, it can be called to
shut down the file system when underlying block device is marked dead.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h | 2 ++
fs/f2fs/file.c | 70 ++-
Support .shutdown callback in f2fs_sops, then, it can be called to
shut down the file system when underlying block device is marked dead.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h | 2 ++
fs/f2fs/file.c | 70 ++---
fs/f2fs/super.c | 6 +
3 file
On 2024/2/16 4:16, Daeho Jeong wrote:
From: Daeho Jeong
Fix to support SEEK_DATA and SEEK_HOLE for compression files
Signed-off-by: Daeho Jeong
Reviewed-by: Chao Yu
Thanks,
___
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Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim :
On Thu, 15 Feb 2024 12:16:33 -0800 you wrote:
> From: Daeho Jeong
>
> Fix to support SEEK_DATA and SEEK_HOLE for compression files
>
> Signed-off-by: Daeho Jeong
> ---
> fs/f2fs/file.c | 21 ++---
> 1 fi
On 02/21, Chao Yu wrote:
> On 2024/2/21 3:28, Jaegeuk Kim wrote:
> > On 02/19, Chao Yu wrote:
> > > On 2024/2/8 8:07, Jaegeuk Kim wrote:
> > > > On 02/07, Chao Yu wrote:
> > > > > Introduce /sys/fs/f2fs//compress_extension to support
> > > > > adding/deleting compress extension via sysfs interface,
On 2024/2/21 3:28, Jaegeuk Kim wrote:
On 02/19, Chao Yu wrote:
On 2024/2/8 8:07, Jaegeuk Kim wrote:
On 02/07, Chao Yu wrote:
Introduce /sys/fs/f2fs//compress_extension to support
adding/deleting compress extension via sysfs interface, in
comparison to mount option, it's more easy to use and le
On 02/19, Chao Yu wrote:
> On 2024/2/8 8:07, Jaegeuk Kim wrote:
> > On 02/07, Chao Yu wrote:
> > > Introduce /sys/fs/f2fs//compress_extension to support
> > > adding/deleting compress extension via sysfs interface, in
> > > comparison to mount option, it's more easy to use and less
> > > authority
On 2024/2/8 8:07, Jaegeuk Kim wrote:
On 02/07, Chao Yu wrote:
Introduce /sys/fs/f2fs//compress_extension to support
adding/deleting compress extension via sysfs interface, in
comparison to mount option, it's more easy to use and less
authority issue for applications.
Usage:
- Query: cat /sys/fs
From: Daeho Jeong
Fix to support SEEK_DATA and SEEK_HOLE for compression files
Signed-off-by: Daeho Jeong
---
fs/f2fs/file.c | 21 ++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 21c3aa93a8db..aa19d8bed479 100644
--- a/
On 02/07, Chao Yu wrote:
> Introduce /sys/fs/f2fs//compress_extension to support
> adding/deleting compress extension via sysfs interface, in
> comparison to mount option, it's more easy to use and less
> authority issue for applications.
>
> Usage:
> - Query: cat /sys/fs/f2fs//compress_extension
Introduce /sys/fs/f2fs//compress_extension to support
adding/deleting compress extension via sysfs interface, in
comparison to mount option, it's more easy to use and less
authority issue for applications.
Usage:
- Query: cat /sys/fs/f2fs//compress_extension
- Add: echo '[c|n]extension' > /sys/fs/
On Fri, Jan 26, 2024 at 01:32:05PM -0800, Luis Chamberlain wrote:
> On Fri, Jan 26, 2024 at 09:01:06PM +, Matthew Wilcox wrote:
> > On Thu, Jan 25, 2024 at 12:54:47PM -0800, Luis Chamberlain wrote:
> > > On Thu, Jan 25, 2024 at 08:47:39PM +, Matthew Wilcox wrote:
> > > > On Wed, Dec 07, 202
On Fri, Jan 26, 2024 at 09:01:06PM +, Matthew Wilcox wrote:
> On Thu, Jan 25, 2024 at 12:54:47PM -0800, Luis Chamberlain wrote:
> > On Thu, Jan 25, 2024 at 08:47:39PM +, Matthew Wilcox wrote:
> > > On Wed, Dec 07, 2022 at 12:51:13PM -0800, Luis Chamberlain wrote:
> > > > Me and Pankaj are v
On Thu, Jan 25, 2024 at 12:54:47PM -0800, Luis Chamberlain wrote:
> On Thu, Jan 25, 2024 at 08:47:39PM +, Matthew Wilcox wrote:
> > On Wed, Dec 07, 2022 at 12:51:13PM -0800, Luis Chamberlain wrote:
> > > Me and Pankaj are very interested in helping on this front. And so we'll
> > > start to org
On Thu, Jan 25, 2024 at 08:47:39PM +, Matthew Wilcox wrote:
> On Wed, Dec 07, 2022 at 12:51:13PM -0800, Luis Chamberlain wrote:
> > On Wed, Nov 30, 2022 at 03:18:41PM +, Matthew Wilcox wrote:
> > > From a filesystem point of view, you need to ensure that you handle folios
> > > larger than
On Wed, Dec 07, 2022 at 12:51:13PM -0800, Luis Chamberlain wrote:
> On Wed, Nov 30, 2022 at 03:18:41PM +, Matthew Wilcox wrote:
> > From a filesystem point of view, you need to ensure that you handle folios
> > larger than PAGE_SIZE correctly. The easiest way is to spread the use
> > of folios
As JuHyung reported in [1]:
"In most consumer-grade blackbox SSDs, device-side GCs are handled
automatically for various workloads. f2fs, however, leaves that
responsibility to the userspace with conservative tuning on the
kernel-side by default. Android handles this by init.rc tunings and a
separ
On 2023/4/4 1:40, Jaegeuk Kim wrote:
On 03/31, Yangtao Li wrote:
This patch support noage_extent_cache mount option.
Signed-off-by: Yangtao Li
---
Documentation/filesystems/f2fs.rst | 2 ++
fs/f2fs/super.c| 7 +++
2 files changed, 9 insertions(+)
diff --git a/Docum
On 03/31, Yangtao Li wrote:
> This patch support noage_extent_cache mount option.
>
> Signed-off-by: Yangtao Li
> ---
> Documentation/filesystems/f2fs.rst | 2 ++
> fs/f2fs/super.c| 7 +++
> 2 files changed, 9 insertions(+)
>
> diff --git a/Documentation/filesystems/f2fs
This patch support noage_extent_cache mount option.
Signed-off-by: Yangtao Li
---
Documentation/filesystems/f2fs.rst | 2 ++
fs/f2fs/super.c| 7 +++
2 files changed, 9 insertions(+)
diff --git a/Documentation/filesystems/f2fs.rst
b/Documentation/filesystems/f2fs.rst
ind
This patch supports to inject fault into f2fs_down_write_trylock().
Usage:
a) echo 524288 > /sys/fs/f2fs//inject_type or
b) mount -o fault_type=524288
Signed-off-by: Yangtao Li
---
Documentation/ABI/testing/sysfs-fs-f2fs | 1 +
Documentation/filesystems/f2fs.rst | 1 +
fs/f2fs/chec
On Wed, Nov 30, 2022 at 03:18:41PM +, Matthew Wilcox wrote:
> On Wed, Nov 30, 2022 at 08:48:04PM +0800, Yangtao Li wrote:
> > Hi,
> >
> > > Thanks for reviewing this. I think the real solution to this is
> > > that f2fs should be using large folios. That way, the page cache
> > > will keep t
On Wed, Nov 30, 2022 at 08:48:04PM +0800, Yangtao Li wrote:
> Hi,
>
> > Thanks for reviewing this. I think the real solution to this is
> > that f2fs should be using large folios. That way, the page cache
> > will keep track of dirtiness on a per-folio basis, and if your folios
> > are at least
Hi,
> Thanks for reviewing this. I think the real solution to this is
> that f2fs should be using large folios. That way, the page cache
> will keep track of dirtiness on a per-folio basis, and if your folios
> are at least as large as your cluster size, you won't need to do the
> f2fs_prepare_c
Hi qixiaoyu1,
Thanks for your patchset.
Does this patchset have data related to memory and performance impact?
Can you provide scripts or commands for related tests?
Thx,
Yangtao
___
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On Thu, Nov 10, 2022 at 02:35:49AM +0800, Yangtao Li wrote:
> +++ b/fs/f2fs/segment.c
> @@ -486,7 +486,17 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool
> from_bg)
> static int __submit_flush_wait(struct f2fs_sb_info *sbi,
> struct block_device *bdev)
> {
This patch supports to inject fault into __submit_flush_wait() to
simulate flush cmd io error.
Usage:
a) echo 524288 > /sys/fs/f2fs//inject_type or
b) mount -o fault_type=524288
Signed-off-by: Yangtao Li
---
Documentation/filesystems/f2fs.rst | 1 +
fs/f2fs/f2fs.h | 1 +
This patch supports to inject fault into f2fs_is_valid_blkaddr() to
simulate accessing inconsistent data/meta block addressses from caller.
Usage:
a) echo 262144 > /sys/fs/f2fs//inject_type or
b) mount -o fault_type=262144
Signed-off-by: Chao Yu
---
Documentation/filesystems/f2fs.rst | 1 +
f
This patch enables idmapped mounts for f2fs, since all dedicated helpers
for this functionality existsm, so, in this patch we just pass down the
user_namespace argument from the VFS methods to the relevant helpers.
Simple idmap example on f2fs image:
1. truncate -s 128M f2fs.img
2. mkfs.f2fs f2fs
f2fs: support fault injection for f2fs_trylock_op()
This patch supports to inject fault into f2fs_trylock_op().
Usage:
a) echo 65536 > /sys/fs/f2fs//inject_type or
b) mount -o fault_type=65536
Signed-off-by: Chao Yu
---
Documentation/filesystems/f2fs.rst | 1 +
fs/f2fs/f2fs.h
This patch adds a new function f2fs_dquot_initialize() to wrap
dquot_initialize(), and it supports to inject fault into
f2fs_dquot_initialize() to simulate inner failure occurs in
dquot_initialize().
Usage:
a) echo 65536 > /sys/fs/f2fs//inject_type or
b) mount -o fault_type=65536
Signed-off-by:
F2FS_IOC_DEFRAGMENT performs defragmentation of a file. In
f2fs_defragment_range(), it checks whether in-place update policy is
applied, for avoiding unnecessary write operations.
The cold file may be fragmented according to the write order. However,
in the case of a cold file, the in-place update
Adds to support accounting read IOs from userspace/kernel.
Signed-off-by: Chao Yu
---
fs/f2fs/checkpoint.c| 5
fs/f2fs/data.c | 6 +
fs/f2fs/f2fs.h | 37 +++---
fs/f2fs/file.c | 12 -
fs/f2fs/gc.c
Supports to truncate compressed/normal cluster partially on compressed
inode.
Signed-off-by: Chao Yu
---
fs/f2fs/compress.c | 48 ++
fs/f2fs/f2fs.h | 2 ++
fs/f2fs/file.c | 19 +-
3 files changed, 64 insertions(+), 5 deletions(
Support two generic fs ioctls FS_IOC_{GET,SET}FSLABEL, letting
f2fs pass generic/492 testcase.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h | 3 ++
fs/f2fs/file.c | 78 ++
2 files changed, 81 insertions(+)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 142 ++--
fs/f2fs/f2fs.h | 5 +-
include/trace/events/f2fs.h | 11 +--
3 files changed, 143 insertions(+), 15 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1e2d924e2ea7.
Previously, once fault injection is on, by default, all kind of faults
will be injected to f2fs, if we want to trigger single or specified
combined type during the test, we need to configure sysfs entry, it will
be a little inconvenient to integrate sysfs configuring into testsuit,
such as xfstest.
This patch adds to support discard submission error injection for testing
error handling of __submit_discard_cmd().
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h| 1 +
fs/f2fs/segment.c | 8
fs/f2fs/super.c | 1 +
3 files changed, 10 insertions(+)
diff --git a/fs/f2fs/f2fs.h b/fs/f2f
This patch supports to recognize hot file extension in f2fs, so that we
can allocate proper hot segment location for its data, which can lead to
better hot/cold seperation in filesystem.
In addition, we changes a bit on query/add/del operation method for
extension_list sysfs entry as below:
- Que
This patch adds creation time field in inode layout to support showing
kstat.btime in ->statx.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h | 7 +++
fs/f2fs/file.c | 9 +
fs/f2fs/inode.c | 16
fs/f2fs/namei.c | 3 ++-
fs/f2fs/sysfs.c
Previously, we will store all nat version bitmap in checkpoint pack block,
so our total node entry number has a limitation which caused total node
number can not exceed (3900 * 8) block * 455 node/block = 14196000. So
that once user wants to create more nodes in large size image, it becomes
a bottl
This patch enables ->fiemap to handle FIEMAP_FLAG_XATTR flag for xattr
mapping info lookup purpose.
It makes f2fs passing generic/425 test in fstest.
Signed-off-by: Chao Yu
---
fs/f2fs/data.c | 65 ++
1 file changed, 61 insertions(+), 4 de
From: Chao Yu
This patch adds to support inode checksum in f2fs.
Signed-off-by: Chao Yu
---
fs/f2fs/f2fs.h | 31
fs/f2fs/inode.c | 64 +
fs/f2fs/node.c | 2 ++
fs/f2fs/segment.c | 5 +++-
This patch supports to enable f2fs to accept quota information through
mount option:
- {usr,grp,prj}jquota=
- jqfmt=
Then, in ->mount flow, we can recover quota file during log replaying,
by this, journelled quota can be supported.
Signed-off-by: Chao Yu
---
Documentation/filesystems/f2fs.txt |
Hi Jaegeuk,
On 2017/7/8 3:12, Jaegeuk Kim wrote:
> Hi Chao,
>
> I've updated your patch like this.
>
> - modify description
> - use filemap_write_and_wait() directly aligned to the below v2 patch.
>
> f2fs: avoid deadlock caused by lock order of page and
Looks good to me.
I've updated doc
Hi Chao,
I've updated your patch like this.
- modify description
- use filemap_write_and_wait() directly aligned to the below v2 patch.
f2fs: avoid deadlock caused by lock order of page and
Thanks,
>From 4aa1d70e8e7767712733dc79147030aa682ee9ef Mon Sep 17 00:00:00 2001
From: Chao Yu
Date:
From: Chao Yu
This patch adds to support plain user/group quota.
- setattr() calls dquot_transfer which will transfer inode->i_blocks.
We can't reclaim that during f2fs_evict_inode(). So, we need to count
node blocks as well in order to match i_blocks with dquot's space.
- in f2fs_remount,
On Thu, May 04, 2017 at 11:12:40AM -0700, Jaegeuk Kim wrote:
> "F2FS (Flash-Friendly File System) is flash-friendly file system which was
> merged
> into Linux kernel v3.8 in 2013.
>
> The motive for F2FS was to build a file system that from the start, takes into
> account the characteristics of
"F2FS (Flash-Friendly File System) is flash-friendly file system which was
merged
into Linux kernel v3.8 in 2013.
The motive for F2FS was to build a file system that from the start, takes into
account the characteristics of NAND flash memory-based storage devices (such as
solid-state disks, eMMC,
(this is deviating from the subject, sorry about that)
> Pretty much, if you're using just raid1 mode, without
> compression, on reasonable storage devices, things are rock-solid
> relative to the rest of BTRFS.
IMO, BTRFS volume manger feature is incomplete and there is RAID1
critical bug whi
On 2016-11-09 21:29, Qu Wenruo wrote:
>
>
> At 11/10/2016 06:57 AM, Andreas Dilger wrote:
>> On Nov 9, 2016, at 1:56 PM, Jaegeuk Kim wrote:
>>>
>>> This patch implements multiple devices support for f2fs.
>>> Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big
>>> volume under
At 11/10/2016 06:57 AM, Andreas Dilger wrote:
> On Nov 9, 2016, at 1:56 PM, Jaegeuk Kim wrote:
>>
>> This patch implements multiple devices support for f2fs.
>> Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big
>> volume under one f2fs instance.
>>
>> Internal block manage
On Wed, Nov 09, 2016 at 03:57:53PM -0700, Andreas Dilger wrote:
> On Nov 9, 2016, at 1:56 PM, Jaegeuk Kim wrote:
> >
> > This patch implements multiple devices support for f2fs.
> > Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big
> > volume under one f2fs instance.
> >
>
On Wed, Nov 09, 2016 at 03:57:53PM -0700, Andreas Dilger wrote:
> On Nov 9, 2016, at 1:56 PM, Jaegeuk Kim wrote:
> >
> > This patch implements multiple devices support for f2fs.
> > Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big
> > volume under one f2fs instance.
> >
>
This patch implements multiple devices support for f2fs.
Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big
volume under one f2fs instance.
Internal block management is very simple, but we will modify block allocation
and background GC policy to boost IO speed by exploiting t
From: Chao Yu
Previously, we only support global fault injection configuration, so that
when we configure type/rate of fault injection through sysfs, mount
option, it will influence all f2fs partition which is being used.
It is not make sence, since it will be not convenient if developer want
to
From: Chao Yu
Like most filesystems, f2fs will issue discard command synchronously, so
when user trigger fstrim through ioctl, multiple discard commands will be
issued serially with sync mode, which makes poor performance.
In this patch we try to support async discard, so that all discard
comman
On Tue, Mar 15, 2016 at 09:37:25AM -0700, Jaegeuk Kim wrote:
> I agree that I must follow FS convention here.
> But, in order to make this clear out, could you please elaborate why this is
> not
> allowed?
>
> I wrote this patch totally based on per-file encryption in which users cannot
> access
Hello,
On Tue, Mar 15, 2016 at 12:24:22AM -0700, Christoph Hellwig wrote:
> On Wed, Mar 09, 2016 at 04:52:48PM -0800, Jaegeuk Kim wrote:
> > Through this patch, user can assign its key into a specific normal files.
> > Then, other users who do not have that key cannot open the files.
> > Later, ow
On Wed, Mar 09, 2016 at 04:52:48PM -0800, Jaegeuk Kim wrote:
> Through this patch, user can assign its key into a specific normal files.
> Then, other users who do not have that key cannot open the files.
> Later, owner can drop its key from the files for other users to access
> the files again.
N
Through this patch, user can assign its key into a specific normal files.
Then, other users who do not have that key cannot open the files.
Later, owner can drop its key from the files for other users to access
the files again.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/f2fs.h | 20
Hi,
On Fri, Oct 23, 2015 at 02:57:03PM +0800, Chao Yu wrote:
> Hi Jaegeuk,
>
> > -Original Message-
> > From: Jaegeuk Kim [mailto:jaeg...@kernel.org]
> > Sent: Friday, October 23, 2015 2:12 AM
> > To: Chao Yu
> > Cc: linux-f2fs-devel@lists.sourceforge.net; linux-ker...@vger.kernel.org
> >
Hi Jaegeuk,
> -Original Message-
> From: Jaegeuk Kim [mailto:jaeg...@kernel.org]
> Sent: Friday, October 23, 2015 2:12 AM
> To: Chao Yu
> Cc: linux-f2fs-devel@lists.sourceforge.net; linux-ker...@vger.kernel.org
> Subject: Re: [PATCH] f2fs: support file defragment
>
> Hi,
>
> On Thu, Oct
Hi,
On Thu, Oct 22, 2015 at 07:59:14PM +0800, Chao Yu wrote:
> This patch introduces a new ioctl F2FS_IOC_DEFRAGMENT to support file
> defragment in a specified range of regular file.
>
> This ioctl can be used in very limited workload: if user expects high
> sequential read performance in random
This patch introduces a new ioctl F2FS_IOC_DEFRAGMENT to support file
defragment in a specified range of regular file.
This ioctl can be used in very limited workload: if user expects high
sequential read performance in randomly written file, this interface
can be used for defragmentation, after t
Hi Andrei,
On Sat, Mar 28, 2015 at 10:31:55AM +0300, Andrei Borzenkov wrote:
> В Tue, 24 Mar 2015 01:19:00 -0700
> Jaegeuk Kim пишет:
>
...
> > +/* byte-size offset */
> > +#define F2FS_SUPER_OFFSET 1024
> > +
> > +/* 12 bits for 4096 bytes */
> > +#define F2FS_MAX_LOG_SECTOR_SIZE 1
В Sat, 28 Mar 2015 13:43:18 -0700
Jaegeuk Kim пишет:
> Hi Andrei,
>
> On Sat, Mar 28, 2015 at 10:31:55AM +0300, Andrei Borzenkov wrote:
> > В Tue, 24 Mar 2015 01:19:00 -0700
> > Jaegeuk Kim пишет:
> >
> > > * Makefile.util.def: Add f2fs.c.
> > > * doc/grub.texi: Add f2fs description.
> > >
Hi Andrei,
On Sat, Mar 28, 2015 at 10:31:55AM +0300, Andrei Borzenkov wrote:
> В Tue, 24 Mar 2015 01:19:00 -0700
> Jaegeuk Kim пишет:
>
> > * Makefile.util.def: Add f2fs.c.
> > * doc/grub.texi: Add f2fs description.
> > * grub-core/Makefile.core.def: Add f2fs module.
> > * grub-core/fs/f2fs.
В Tue, 24 Mar 2015 01:19:00 -0700
Jaegeuk Kim пишет:
> * Makefile.util.def: Add f2fs.c.
> * doc/grub.texi: Add f2fs description.
> * grub-core/Makefile.core.def: Add f2fs module.
> * grub-core/fs/f2fs.c: New file.
> * tests/f2fs_test.in: New file.
> * tests/util/grub-fs-tester.in: Add f2fs
* Makefile.util.def: Add f2fs.c.
* doc/grub.texi: Add f2fs description.
* grub-core/Makefile.core.def: Add f2fs module.
* grub-core/fs/f2fs.c: New file.
* tests/f2fs_test.in: New file.
* tests/util/grub-fs-tester.in: Add f2fs requirements.
Signed-off-by: Jaegeuk Kim
---
ChangeLog-2015
Now new interface ->rename2() is added to VFS, here are related description:
https://lkml.org/lkml/2014/2/7/873
https://lkml.org/lkml/2014/2/7/758
This patch adds function f2fs_rename2() to support ->rename2() including
handling both RENAME_EXCHANGE and RENAME_NOREPLACE flag.
Signed-off-by: Chao
Add function f2fs_tmpfile() to support O_TMPFILE file creation, and modify logic
of init_inode_metadata to enable linkat temp file.
Signed-off-by: Chao Yu
---
fs/f2fs/dir.c | 10 -
fs/f2fs/namei.c | 64 +++
2 files changed, 73 ins
This patch links f2fs_fiemap with generic function with get_block.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 6 ++
fs/f2fs/f2fs.h | 1 +
fs/f2fs/file.c | 1 +
3 files changed, 8 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 39fe7d7..c1fb6dd 100644
--- a/fs/f2fs/data
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