: Jaegeuk Kim
---
Documentation/filesystems/f2fs.txt | 7 +++
fs/f2fs/f2fs.h | 3 +++
fs/f2fs/super.c| 7 +++
3 files changed, 17 insertions(+)
diff --git a/Documentation/filesystems/f2fs.txt
b/Documentation/filesystems/f2fs.txt
index 8eb06b0..803784e
It turns out that a bit operation like find_next_bit is not always fast enough
for f2fs_find_entry.
Instead, it is pretty much simple and fast to traverse each dentries.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/dir.c | 32 +---
1 file changed, 17 insertions(+), 15
; http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> ___
> Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
--
Jaegeuk Kim
Samsung
---
ed.
The performance numbers are like below, which is measured by Alex.
1. 355MB/s ext4
2. 225MB/s f2fs : WRITE for node writes
3. 525MB/s f2fs : WRITE_SYNC for node writes
Reported-And-Tested-by: Alex .
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 2 +-
1 file changed, 1 inserti
CKING b/HACKING
> new file mode 100644
> index 000..515b73e
> --- /dev/null
> +++ b/HACKING
> @@ -0,0 +1 @@
> +Send patches to linux-f2fs-devel@lists.sourceforge.net
--
Jaegeuk Kim
Samsung
--
y works.
> >> Faster operations. Version large binaries. Built-in WAN optimization and
> >> the
> >> freedom to use Git, Perforce or both. Make the move to Perforce.
> >> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> >>
ment.c
> +++ b/fs/f2fs/segment.c
> @@ -1160,9 +1160,12 @@ static int read_normal_summaries(struct f2fs_sb_info
> *sbi, int type)
> ns->ofs_in_node = 0;
> }
> } else {
> - if (restore_
s(sbi);
> mutex_unlock(&nm_i->build_lock);
> + wake_up_all(&nm_i->build_wq);
> goto retry;
> }
>
> @@ -1813,6 +1820,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi)
> INIT_LIST_HEAD(&nm_i->dirty_nat_entries);
>
> mutex_init
Hi,
2014-03-10 (월), 13:13 +0800, Chao Yu:
> Hi Gu, Kim:
>
> One more comment.
>
> > -Original Message-
> > From: Jaegeuk Kim [mailto:jaegeuk@samsung.com]
> > Sent: Monday, March 10, 2014 12:46 PM
> > To: Gu Zheng
> > Cc: linux-kernel; f
,
> set_opt(sbi, BG_GC);
> - else if (!strncmp(name, "off", 3))
> + else if (!strncmp(name, "off", strlen(name)))
>
If a page is on writeback, f2fs can face with deadlock due to under writepages.
This is caused by merging IOs inside f2fs, so if it comes to detect, let's throw
merged IOs, which is implemented by f2fs_wait_on_page_writeback.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 6 ++---
The get_dirty_dents gives us the number of dirty dentry pages.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 2 +-
fs/f2fs/f2fs.h | 5 +
fs/f2fs/inode.c | 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
This patch introduces nr_pages_to_write to align page writes to the segment
or other operational unit size, which can be tuned according to the system
environment.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 11 ++-
fs/f2fs/data.c | 12 +++-
fs/f2fs/node.c
This patch introduces nr_pages_to_skip(sbi, type) to determine writepages can
be skipped.
The dentry, node, and meta pages can be conrolled by F2FS without breaking the
FS consistency.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 4 ++--
fs/f2fs/data.c | 4
fs/f2fs/node.c
This patch increases pages_skipped when skipping writepages.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 11 ++-
fs/f2fs/data.c | 6 +-
fs/f2fs/node.c | 6 +-
3 files changed, 16 insertions(+), 7 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs
/ 1024) = 10MB.
Signed-off-by: Jaegeuk Kim
---
Documentation/ABI/testing/sysfs-fs-f2fs | 6 ++
Documentation/filesystems/f2fs.txt | 4
fs/f2fs/f2fs.h | 1 +
fs/f2fs/node.c | 23 ---
fs/f2fs/node.h
It is more reasonable to determine the reclaiming rate of prefree segments
according to the volume size, which is set to 5% by default.
For example, if the volume is 128GB, the prefree segments are reclaimed
when the number reaches to 6.4GB.
Signed-off-by: Jaegeuk Kim
---
Documentation
The try_to_free_nats should not receive the negative nr_shrink.
Otherwise, it can drop all the nat entries by the while loop.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/node.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 707fd20..04450a5
The NM_WOUT_THRESHOLD is now obsolete since f2fs starts to control on a basis
of the memory footprint.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/debug.c | 8
fs/f2fs/node.c | 5 +
fs/f2fs/node.h | 3 ---
3 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/fs/f2fs/debug.c
This patch adds missing dir_level documentation.
Signed-off-by: Jaegeuk Kim
---
Documentation/ABI/testing/sysfs-fs-f2fs | 6 ++
1 file changed, 6 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs
b/Documentation/ABI/testing/sysfs-fs-f2fs
index 4ac2c25..62dd725 100644
node block.
Otherwise, we should do a new node block with the mark for roll-forward
recovery.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/file.c | 2 ++
fs/f2fs/node.c | 37 -
fs/f2fs/node.h | 1 +
4 files changed, 32 insertions(+), 9
This patch introduces fi->i_sem to protect fi's info that includes xattr_ver,
pino, i_nlink.
This enables to remove i_mutex during f2fs_sync_file, resulting in performance
improvement when a number of fsync calls are triggered from many concurrent
threads.
Signed-off-by: Jaegeuk Kim
---
/0x180
f2fs_init_acl+0x29/0xcc [f2fs]
__f2fs_add_link+0x259/0x710 [f2fs]
f2fs_create+0xad/0x1c0 [f2fs]
vfs_create+0xed/0x150
do_last+0xd36/0xed0
path_openat+0xc5/0x680
do_filp_open+0x43/0xa0
do_sys_open+0x13c/0x230
SyS_creat+0x1e/0x20
system_call_fastpath+0x16/0x1b
Signed-off-by: Jaegeuk
During the cleaing of node segments, F2FS can get errored node blocks due to
data race between node page lock and its valid bitmap operations.
In that case, it needs to return an error to skip such the obsolete block copy.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/node.c | 3 +--
1 file changed, 1
> nm_i->fcnt++;
> }
> spin_unlock(&nm_i->free_nid_list_lock);
> +
> + if (need_free)
> + kmem_cache_free(free
In the f2fs_wait_on_page_writeback, io->bio should be covered by io_rwsem.
Otherwise, the bio pointer can become a dangling pointer due to data races.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/segment.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/segment.c b
option can be used under a workload consisting of very intensive
concurrent fsync calls, while the storage handles cache_flush commands slowly.
Signed-off-by: Jaegeuk Kim
---
Documentation/filesystems/f2fs.txt | 4 ++
fs/f2fs/f2fs.h | 16 +++
fs/f2fs/file.c
change log from v1:
o do not create a flush thread, if the option is not set
>From deb512157c4bcae079197eb55590e3e764cedc7f Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Wed, 2 Apr 2014 15:34:36 +0900
Subject: [PATCH] f2fs: introduce f2fs_issue_flush to avoid redundant
flush
issue
Cc: li
8b 8d
> d0 06 00 00 8b 50 78 8b 80 84 00 00 00 d3 e0 41 39 d6 8d 44 02 ff 73 09 <0f>
> 0b 0f 1f 80 00 00 00 00 41 39 c6 76 03 0f 0b 90 48 8d 43 20
> [ 1789.278327] RIP f2fs_submit_page_mbio (fs/f2fs/segment.h:543
> fs/f2fs/data.c:181)
> [ 1789.278327] RSP
>
>
> Th
2014-04-06 (일), 21:55 -0400, Sasha Levin:
> On 04/06/2014 09:20 PM, Jaegeuk Kim wrote:
> > Hi,
> >
> > Thank you for the report.
> >
> > If possible, could you share fsck.f2fs or dump.f2fs on the corrupted
> > partition?
> >
> > Otherwise, how
ormat segment_info's show for better legibility
f2fs: optimize restore_node_summary slightly
Jaegeuk Kim (37):
f2fs: update_inode_page should be done all the time
f2fs: handle dirty segments inside refresh_sit_entry
f2fs: fix to recover xattr node block
f2fs: remove the ug
@@ repeat:
> next = cmd->next;
> complete(&cmd->wait);
> }
> + bio_put(bio);
> sm_i->dispatch_list = NULL;
> }
>
--
Jaegeuk Kim
Samsung
---
nt.c | 102
> > +++-
> > fs/f2fs/super.c | 32 ++--
> > 3 files changed, 107 insertions(+), 44 deletions(-)
> >
>
>
> --
> To unsubscribe from this list: send the line
the inode lies on the list or not.
Through this simple flag, we can remove redundant operations gracefully.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 52 +---
fs/f2fs/f2fs.h | 3 ++-
fs/f2fs/recovery.c | 18
The f2fs_write_data_page should decrease the number of dirty dentry page
all the time.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 45abd60..9a3fa38 100644
--- a/fs/f2fs/data.c
If a lot of directory inodes have the small number of dentry pages in each
page cache, there is no chance to flush them periodically.
This patch proposes the average number of dirty dentry pages for the threshold.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 2 ++
fs/f2fs/f2fs.h
x27;t incur any performance regression significantly.
Could you test this patch?
>From 60588ceb7277aae2a79e7f67f5217d1256720d78 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Tue, 15 Apr 2014 13:57:55 +0900
Subject: [PATCH] f2fs: avoid to conduct roll-forward due to the remained
garbage blocks
Change log from v1:
o change the patch, which includes this bug fix
>From 0f3b8427b40b9ace829ba0b16336d5cd67589022 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Tue, 15 Apr 2014 16:04:15 +0900
Subject: [PATCH] f2fs: call redirty_page_for_writepage
This patch replace some general codes w
Hi all,
Please ignore this, since it turns out that is doesn't solve the
problem.
Instead, please consider the following patch.
>From ac9ad0b1de42dc311323b9c3b8f431f4b097b43b Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Wed, 16 Apr 2014 10:47:06 +0900
Subject: [PATCH] f2fs: adjust
If it occurs an error, we should call f2fs_unlock_op.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/inline.c | 13 +++--
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 383db1f..3258c7c 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
that, the image
will be mounted without "disable_roll_forward".
Thanks,
>
> 15.04.2014 15:04, Jaegeuk Kim пишет:
> > Hi,
> >
> > Thank you for the report.
> > I retrieved the fault image and found out that previous garbage data
> > wreak such the wrong b
ocks - 3;
> + nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nat_blocks;
> nm_i->fcnt = 0;
> nm_i->nat_cnt = 0;
> nm_i->ram_thresh = DEF_RAM_THRESHOLD;
--
Jaegeuk Kim
Samsung
--
Learn
ecurity hole?
Did you mean it needs to avoid such the BUG_ONs if the image has
obsolete data being used before?
Thanks,
>
> Regards,
> Alexey
>
>
> On 16.04.2014 16:35, Jaegeuk Kim wrote:
> > Hi,
> >
> > 2014-04-16 (수), 13:11 +0400, Andrey Tsyvarev:
>
>nat_cnt = 0;
nm_i->ram_thresh = DEF_RAM_THRESHOLD;
--
1.8.4.474.g128a96c
--
Jaegeuk Kim
Samsung
--
Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guid
Got it.
The patch is like this.
Thanks,
>From 5f7a3bcf0df10bbb47a6e4409cc92ba8e6090674 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Fri, 18 Apr 2014 11:14:37 +0900
Subject: [PATCH] f2fs: add available_nids to fix handling max_nid
correctly
This patch introduces available_nids for alloc_n
Thank you for the explanation.
The following patch will resolve the issue.
Thanks,
>From 2048e7458c982f4297da9d3366ab29224ae2e8b0 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim
Date: Fri, 18 Apr 2014 15:21:04 +0900
Subject: [PATCH] f2fs: avoid BUG_ON when mouting corrupted image having
garb
If so many dirty dentry blocks are cached, not reached to the flush condition,
we should fall into livelock in balance_dirty_pages.
So, let's consider the mem size for the condition.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 3 ++-
fs/f2fs/f2fs.h | 1 +
fs/f2fs/node.c
This patch includes simple clean-ups to reduce unnecessary long variable names.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/xattr.c | 86 +
fs/f2fs/xattr.h | 6 ++--
2 files changed, 47 insertions(+), 45 deletions(-)
diff --git a/fs/f2fs
This patch passes the "flags" field to the low level setxattr functions
to use XATTR_REPLACE in the following patches.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/acl.c | 2 +-
fs/f2fs/xattr.c | 13 +++--
fs/f2fs/xattr.h | 4 ++--
3 files changed, 10 insertions(+), 9 deletion
This patch adds two error conditions early in the setxattr operations.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/xattr.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index bbe9c2b..6073f9f 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs
This patch announces LGPL v2 for the following files.
- include/f2fs_fs.h
- lib/libf2fs.c
- lib/libf2fs_io.c
- mkfs/f2fs_format.c
- mkfs/f2fs_format_main.c
- mkfs/f2fs_format_utils.c
- mkfs/f2fs_format_utils.h
Signed-off-by: Jaegeuk Kim
---
COPYING | 492
When SEEK_HOLE is requeted, it should return i_size if the hole position is
found outside of i_size.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d99d173..3112857 100644
--- a/fs/f2fs
. N
2) write 4KB at 5MB offset
f -> N N N N N X N N N N N N ... N
3) SEEK_DATA from 0 should return 5MB offset
So, this patch adds a routine to search the first dirty page to handle that.
Then, the SEEK_DATA flow skips NEW_ADDR offsets until any dirty page is found.
Signed-off-by: Jaege
ny bugs in there?
> + zero_user_segment(ipage, INLINE_DATA_OFFSET + from,
> + INLINE_DATA_OFFSET + MAX_INLINE_DATA);
> + set_page_dirty(ipage);
> + f2fs_put_page(ipage, 1);
> +}
> +
> int recover_inline_data(struct inode *inode, struct page *npage)
>
Hi,
2014-04-29 (화), 15:53 +0800, Chao Yu:
> Hi Kim,
>
> > -Original Message-
> > From: Jaegeuk Kim [mailto:jaegeuk@samsung.com]
> > Sent: Tuesday, April 29, 2014 2:16 PM
> > To: Chao Yu
> > Cc: linux-f2fs-devel@lists.sourceforge.net; linux-fs
This patch reduces the lock granularity during write_begin.
When the system is under memory pressure, it would be better to reduce
the locking time for the data pages.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 14 +-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git
We don't need to wait on page writeback for these cases.
Signed-off-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 4 ++--
fs/f2fs/inline.c | 3 ++-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 273fe16..91ff104 100644
This patch splits grab_cache_page_write_begin into grab_cache_page and
wait_on_page_writeback for node pages.
This patch intends to enhance the latency to get node pages by alleviating
unnecessary wait_on_page_writeback.
Signed-off-by: Chao Yu
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/dir.c
This patch removes grab_cache_page_write_begin for meta pages.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 1346ce9..b6f6ead 100644
--- a/fs/f2fs/checkpoint.c
+++ b
If the inode page is clean during its inode eviction, it'd better drop the page
to reduce further memory pressure.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/inode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index f7a6553..adc622c 100644
--- a/fs
et
> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
--
Jaegeuk Kim
Samsung
--
Is your legacy SCM system holding you back? Join Perforce May 7 to find out:
• 3 signs your SCM is hindering your productivity
show_dev_ino(__entry),
> + (unsigned long)__entry->start,
> + __entry->nrpage)
> +);
> +
> TRACE_EVENT(f2fs_submit_page_mbio,
>
> TP_PROTO(struct page *page, int rw, int type, block_t blk_addr),
--
Jaegeuk Kim
Samsung
---
for releasing software faster
> • Expert tips and advice for migrating your SCM now
> http://p.sf.net/sfu/perforce
> ___ Linux-f2fs-devel mailing list
> Linux-f2fs-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/linux-f
2014-05-08 (목), 12:43 -0700, Paul Ni:
> On 6 May 2014 17:04, Jaegeuk Kim wrote:
> >
> > Hi,
> >
> > 2014-05-04 (일), 23:59 +, Paul Ni:
> > > Is it possible to set an arbitrary segment size? I'm trying to set it
> > > to 1.5MiB to make i
sum_entry++;
> }
> - unlock_page(page);
> + unlock_page(pages[index]);
> skip:
> - list_del(&page->lru);
> - __free_pages(page, 0);
> +
+++ b/include/linux/f2fs_fs.h
> @@ -19,6 +19,7 @@
> #define F2FS_LOG_SECTORS_PER_BLOCK 3 /* 4KB: F2FS_BLKSIZE */
> #define F2FS_BLKSIZE 4096/* support only 4KB block */
> #define F2FS_MAX_EXTENSION 64 /* # of extension entries */
> +#define
If data are overwritten through dio, previous f2fs doesn't remain the fsync mark
due to no additional node writes.
Note that this patch should resolve the xfstests:311.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c | 3 +++
fs/f2fs/f2fs.h | 1 +
fs/f2fs/node.c | 12
3
If a fallocated file is fsynced, we should recover the i_size after sudden
power cut.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index d97e5c4..78110da 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
fixes such the bug case by handling the iget and iput in the
recovery_dentry procedure.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/recovery.c | 21 +
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index e950a2f..a112368
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
dd the flush_merge handle in the remount flow
f2fs: introduce struct flush_cmd_control to wrap the flush_merge fields
f2fs: introduce help function {create,destroy}_flush_cmd_control
Jaegeuk Kim (25):
f2fs: avoid to conduct roll-forward due to the remained garbage block
The fsck tool should call f2fs_finalize_device before exit to close the device
file.
Signed-off-by: Jaegeuk Kim
---
fsck/main.c | 3 +++
include/f2fs_fs.h| 1 +
lib/libf2fs.c| 12
mkfs/f2fs_format.c | 2 --
mkfs/f2fs_format_main.c | 2
And let's show some debug info as well.
Signed-off-by: Jaegeuk Kim
---
mkfs/Makefile.am | 2 +-
mkfs/f2fs_format_utils.c | 6 +-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/mkfs/Makefile.am b/mkfs/Makefile.am
index 68cab66..ff136a7 100644
--- a/mkfs/Makefi
, 5 blocks, f2fs allocates 6 blocks
including pg_end.
So, this patch adds one condition to avoid block allocation.
Signed-off-by: Jaegeuk Kim
---
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 623df73..d621ddb 100644
--- a
On 06/20, Chao Yu wrote:
> On 2019/6/20 1:26, Jaegeuk Kim wrote:
> > On 06/18, Chao Yu wrote:
> >> On 2019/6/14 10:46, Jaegeuk Kim wrote:
> >>> On 06/11, Chao Yu wrote:
> >>>> On 2019/6/5 2:36, Jaegeuk Kim wrote:
> >>>>>
On 06/21, Jaegeuk Kim wrote:
> On 06/20, Chao Yu wrote:
> > On 2019/6/20 1:26, Jaegeuk Kim wrote:
> > > On 06/18, Chao Yu wrote:
> > >> On 2019/6/14 10:46, Jaegeuk Kim wrote:
> > >>> On 06/11, Chao Yu wrote:
> > >>>> On 2019/6/5 2
On 06/21, Geert Uytterhoeven wrote:
> Hi Chao,
>
> On Fri, Jun 21, 2019 at 11:54 AM Chao Yu wrote:
> > Since the original patch hasn't been merged to upstream, I think we can
> > merge
> > this into original patch, how do you think?
>
> Thanks, that's fine for me.
Merged the fix.
Thank you so
From: Jaegeuk Kim
This add one sysfs entry to control REQ_SYNC/REQ_BACKGROUND for write bios
for data page writes.
Signed-off-by: Jaegeuk Kim
---
Documentation/ABI/testing/sysfs-fs-f2fs | 7 +++
Documentation/filesystems/f2fs.txt | 4
fs/f2fs/data.c
Hi Weichao,
This patch breaks the image found by my local power-cut tests.
On 05/24, Chao Yu wrote:
> This original patch was from Weichao Guo.
>
> We may encounter both checkpoints invalid in such a case:
> 1. kernel writes CP A;
> 2. power-cut when kernel writes CP B, then CP B is corrupted;
>
k device based filesystems
> - Userspace utility
> - Tests
> - FAQ
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> Documentation/filesystems/fsverity.rst | 710 +
> Documentation/filesystems/index.rs
; FS_IOC_SETFLAGS won't allow setting it, since an ioctl must be used
> instead to provide more parameters.
>
> This flag matches the on-disk bit that was already allocated for ext4.
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric B
On 06/20, Eric Biggers wrote:
> From: Eric Biggers
>
> fs-verity will be jointly maintained by Eric Biggers and Theodore Ts'o.
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> MAINTAINERS | 12 +++
fstests-dev.git/log/?h=fsverity).
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> Documentation/ioctl/ioctl-number.txt | 1 +
> include/uapi/linux/fsverity.h| 39
> 2 files changed,
Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> fs/Kconfig | 2 +
> fs/Makefile | 1 +
> fs/verity/Kconfig| 38 +
> fs/verity/Makefile | 4 +
> fs/verity/fs
rity_info.
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> include/linux/fs.h | 11 +++
> 1 file changed, 11 insertions(+)
>
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index f7fdfe93e25d3e
On 06/20, Eric Biggers wrote:
> From: Eric Biggers
>
> Add a function fsverity_prepare_setattr() which filesystems that support
> fs-verity must call to deny truncates of verity files.
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric B
ewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> fs/verity/Makefile | 3 +-
> fs/verity/fsverity_private.h | 54 +-
> fs/verity/init.c | 6 +
> fs/verity/open.c | 319
Since data verification can block, a workqueue is provided for these
> methods to enqueue verification work from their bio completion callback.
>
> See the "Verifying data" section of
> Documentation/filesystems/fsverity.rst for more information.
>
> Reviewed-by: Theodor
erity.rst for the documentation.
>
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> fs/verity/Makefile | 3 +-
> fs/verity/enable.c | 341 +++
> include/linux/fsverity.h | 64
> 3 files changed, 407 i
t don't match this hash will fail. This ioctl can be
> used for authentication or logging of file measurements in userspace.
>
> See the "FS_IOC_MEASURE_VERITY" section of
> Documentation/filesystems/fsverity.rst for the documentation.
>
> Reviewed-by: Theodor
; store the hashes. But some users may prefer SHA-512.
>
> Reviewed-by: Theodore Ts'o
Reviewed-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> fs/verity/fsverity_private.h | 2 +-
> fs/verity/hash_algs.c | 5 +
> include/uapi/linux/fsverity.h
t encrypt xattrs, yet the verity
> metadata *must* be encrypted when the file is because it contains hashes
> of the plaintext data.
>
Acked-by: Jaegeuk Kim
> Signed-off-by: Eric Biggers
> ---
> fs/f2fs/Makefile | 1 +
> fs/f2fs/data.c | 72 +--
> fs/f2fs
>> have a fsck-not-touched correct checkpoint.
> >
> > Jaegeuk, Weichao,
> >
> > I think it's okay, let me update the patch. :)
> >
> >>
> >> P.S: did you want to discuss it with Chao Yu? :）HAHA
> >
> > Weichao, it's glad to see your activ
This patch allows fallocate to allocate physical blocks for pinned file.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index e7c368db8185..cdfd4338682d 100644
--- a/fs/f2fs/file.c
+++ b/fs
On 06/28, Chao Yu wrote:
> Hi Jaegeuk,
>
> On 2019/6/28 1:05, Jaegeuk Kim wrote:
> > This patch allows fallocate to allocate physical blocks for pinned file.
>
> Quoted from manual of fallocate(2):
> "
> Any subregion within the range specified by offset and le
This patch allows fallocate to allocate physical blocks for pinned file.
Signed-off-by: Jaegeuk Kim
---
Documentation/filesystems/f2fs.txt | 25 +
fs/f2fs/file.c | 7 ++-
2 files changed, 31 insertions(+), 1 deletion(-)
diff --git a
Hi Arnd,
If you don't mind, can I integrate this into the original patch in the queue?
Thanks,
On 06/28, Arnd Bergmann wrote:
> Not all architectures support get_user() with a 64-bit argument:
>
> ERROR: "__get_user_bad" [fs/f2fs/f2fs.ko] undefined!
>
> Use copy_from_user() here, this will alw
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
This patch allows users to pin files.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b164f48e0f31..f8d46df8fa9e 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2964,9 +2964,6 @@ static int
17:12, Ju Hyung Park wrote:
> >>> Hi Jaegeuk and Chao.
> >>>
> >>> A little bump here.
> >>>
> >>> We still need to tag a new version of fsck and update f2fs kernel code
> >>> to tell which version users should use as we discus
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