majianp...@gmail.com
Reviewed-by: Gu Zheng guz.f...@cn.fujitsu.com
Tested-by: Gu Zheng guz.f...@cn.fujitsu.com
Thanks,
Gu
---
block/cfq-iosched.c | 17 ++---
block/deadline-iosched.c | 16 +---
block/elevator.c | 25
.
Signed-off-by: Jianpeng Ma majianp...@gmail.com
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/block_dev.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index aae187a..f0328f1 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
On 04/03/2013 12:17 AM, Toshi Kani wrote:
Added release_mem_region_adjustable(), which releases a requested
region from a currently busy memory resource. This interface
adjusts the matched memory resource accordingly if the requested
region does not match exactly but still fits into.
This
-by: Yinghai Lu ying...@kernel.org
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
Signed-off-by: Lin Feng linf...@cn.fujitsu.com
---
drivers/pci/pci-sysfs.c | 92 +--
1 files changed, 65 insertions(+), 27 deletions(-)
diff --git a/drivers/pci/pci-sysfs.c b
* sysfs_deactivate(sd) | ...
wait_for_completion() |*5* sysfs_put_active(attr_sd)
*6* mutex_unlock(pci_remove_rescan_mutex)
...snip...
Reported-by: Taku Izumi izumi.t...@jp.fujitsu.com
Signed-off-by: Lin Feng linf...@cn.fujitsu.com
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
] ? kthread_freezable_should_stop+0x70/0x70
[81525bc0] ? gs_change+0x13/0x13
Reported-by: Taku Izumi izumi.t...@jp.fujitsu.com
Signed-off-by: Lin Feng linf...@cn.fujitsu.com
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/pci/pci-sysfs.c | 42
. The selection is mutually exclusive one
approach will work at any point. If gc_idle = 0, then this
option is disabled.
Cc: Gu Zheng guz.f...@cn.fujitsu.com
Signed-off-by: Namjae Jeon namjae.j...@samsung.com
Signed-off-by: Pankaj Kumar pankaj...@samsung.com
Reviewed-by: Gu Zheng guz.f
gc_no_gc_sleep_time: Default Sleep time for GC in ms
Cc: Gu Zheng guz.f...@cn.fujitsu.com
Signed-off-by: Namjae Jeon namjae.j...@samsung.com
Signed-off-by: Pankaj Kumar pankaj...@samsung.com
Reviewed-by: Gu Zheng guz.f...@cn.fujitsu.com
---
Documentation/ABI/testing/sysfs-fs-f2fs | 22
bio-bi_private is not always needed. As in the reading data path,
end_read_io does not need bio_private for further using, so moving
bio_private allocation out of f2fs_bio_alloc(). Alloc it in the
submit_write_page(), and ignore it in the f2fs_readpage().
Signed-off-by: Gu Zheng guz.f
Commit e21d2170f36602ae2708 removed the unnecessary platform_set_drvdata(),
but left the variable dev unused, delete it.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/video/vga16fb.c |1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/video/vga16fb.c b
On 07/25/2013 05:58 PM, Geert Uytterhoeven wrote:
On Thu, Jul 25, 2013 at 5:37 AM, Gu Zheng guz.f...@cn.fujitsu.com wrote:
Commit e21d2170f36602ae2708 removed the unnecessary platform_set_drvdata(),
but left the variable dev unused, delete it.
When referring to another commit, please also
Commit e21d2170f36602ae2708 (video: remove unnecessary
platform_set_drvdata()) removed the unnecessary platform_set_drvdata(),
but left the variable dev unused, delete it.
v2:
Following Geert's suggestion to make change log easier reading.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
Hi Jianpeng,
On 07/26/2013 03:08 PM, majianpeng wrote:
Hi all,
I used splice and found a prolem(at least i call).
The demo is:
A:splice(regularfileA---pipe);
B:splice(pipe---regularfileB)
Before do B, we modify the data of regA which now in pipe. The data to
regularfileB willbe
Free the bio_integrity_pool in the fail path of biovec_create_pool
in function bioset_integrity_create().
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/bio-integrity.c |9 +
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/fs/bio-integrity.c b/fs/bio
bio-bi_private is not always needed. As in the reading data path,
end_read_io does not need bio_private for further using, so moving
bio_private allocation out of f2fs_bio_alloc(). Alloc it in the
submit_write_page(), and ignore it in the f2fs_readpage().
Signed-off-by: Gu Zheng guz.f
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
This patchset introduces a system log namespace.
It is the 2nd version. The link of the 1st version is
http://lwn.net/Articles/525728/. In that version, syslog_
namespace was added into nsproxy and created through a new
clone flag
Hi Rui,
Refer to inline:).
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add a struct syslog_namespace which contains the necessary
members for hanlding syslog and realize get_syslog_ns and
put_syslog_ns API.
Signed-off-by: Rui Xiang rui.xi...@huawei.com
---
include/linux/syslog.h |
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add a syslog_ns pointer to user_namespace, and make
syslog_ns per user_namespace, not global.
Since syslog_ns is assigned to user_ns, we can have
full capabilities in new user_ns to create a new syslog_ns.
Signed-off-by: Rui Xiang
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
This patch makes syslog buf and other fields per
namespace.
Here use ns-log_buf(log_buf_len, logbuf_lock,
log_first_seq, logbuf_lock, and so on) fields
instead of global ones to handle syslog.
Syslog interfaces such as /dev/kmsg,
On 07/29/2013 05:54 PM, Gao feng wrote:
On 07/29/2013 05:46 PM, Gu Zheng wrote:
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add a syslog_ns pointer to user_namespace, and make
syslog_ns per user_namespace, not global.
Since syslog_ns is assigned to user_ns, we can have
full
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add create_syslog_ns function to create a new ns. We
must create a user_ns before create a new syslog ns.
And then tie the new syslog_ns to current user_ns
instead of original syslog_ns which comes from
parent user_ns.
Add a new syslog
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add a new interface named ns_printk, and assign an
patamater ns. Log which belong to a container can
be printed by ns_printk.
One question, with the syslog_ns used, do the log we print by *printk* in the
host contains the log in each
On 07/29/2013 07:47 PM, Rui Xiang wrote:
On 2013/7/29 17:40, Gu Zheng wrote:
Hi Rui,
Refer to inline:).
Hi Gu,
Thanks for your attention.
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add a struct syslog_namespace which contains the necessary
members for hanlding syslog and realize
On 07/30/2013 11:39 AM, Rui Xiang wrote:
On 2013/7/29 18:25, Gu Zheng wrote:
Hi Rui,
On 07/29/2013 10:31 AM, Rui Xiang wrote:
Add create_syslog_ns function to create a new ns. We
must create a user_ns before create a new syslog ns.
And then tie the new syslog_ns to current user_ns
/core.c.]
Make the affected sysfs attributes in the driver core and ACPI core
use read_lock_device_remove() and read_unlock_device_remove() as
described above.
Signed-off-by: Rafael J. Wysocki rafael.j.wyso...@intel.com
Reported-by: Gu Zheng guz.f...@cn.fujitsu.com
I'm sorry to forget
Introduce help macro to_memory_block to hide the
conversion(device--memory_block),
just clean up.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/base/memory.c | 27 ---
1 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/drivers/base/memory.c
Hi Rafael,
On 08/26/2013 10:43 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
Hi,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso
Hi Rafael,
On 08/26/2013 10:43 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
Hi,
On 08/26/2013 04:09 AM, Rafael J. Wysocki wrote:
From: Rafael J. Wysocki rafael.j.wyso
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
[...]
OK, so the patch below
On 08/26/2013 08:28 PM, Jaegeuk Kim wrote:
The f2fs_set_link updates its parent inode number, so we should sync this to
the inode block.
Otherwise, the data can be lost after sudden-power-off.
Signed-off-by: Jaegeuk Kim jaegeuk@samsung.com
---
fs/f2fs/namei.c | 1 +
1 file changed,
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 11:13:13 AM Gu Zheng wrote:
Hi Rafael,
[...]
OK, so the patch below
Hi Toshi,
On 08/28/2013 05:38 AM, Toshi Kani wrote:
On Tue, 2013-08-27 at 17:21 +0800, Gu Zheng wrote:
Hi Rafael,
On 08/26/2013 11:02 PM, Rafael J. Wysocki wrote:
On Monday, August 26, 2013 04:43:26 PM Rafael J. Wysocki wrote:
On Monday, August 26, 2013 02:42:09 PM Rafael J. Wysocki wrote
Introduce help macro to_memory_block to hide the
conversion(device--memory_block),
just clean up.
Reviewed-by: Yasuaki Ishimatsu isimatu.yasu...@jp.fujitsu.com
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/base/memory.c | 29 -
1 files changed, 12
Hi Rafael,
On 08/28/2013 05:45 AM, Rafael J. Wysocki wrote:
On Tuesday, August 27, 2013 02:36:44 PM Tejun Heo wrote:
Hello,
[...]
I've thought about that a bit over the last several hours and I'm still
thinking that that patch is a bit overkill, because it will trigger the
From 685b72b66cb8ce019429b1958c91f346b260bc65 Mon Sep 17 00:00:00 2001
From: Gu Zheng guz.f...@cn.fujitsu.com
Date: Mon, 19 Aug 2013 09:41:15 +0800
Subject: [PATCH] f2fs: fix a compound statement label error
An error label at end of compound statement will occur if CONFIG_F2FS_STAT_FS
disabled.
fs
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/namei.c | 12 +---
1 files changed, 1 insertions(+), 11 deletions(-)
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 4e47518..106c0b4 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -83,21 +83,11 @@ static int
On 07/10/2013 06:11 AM, Joel Becker wrote:
On Mon, Jul 08, 2013 at 03:52:53PM +0800, Gu Zheng wrote:
Add the missing NULL check of the return value of find_or_create_page() in
function ocfs2_duplicate_clusters_by_page().
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/ocfs2
ping...
On 07/08/2013 06:38 PM, Gu Zheng wrote:
Introduce a new lib function anon_inode_getfile_private(), it creates a new
file
instance by hooking it up to an anonymous inode, and a dentry that describe
the
class of the file, similar to anon_inode_getfile(), but each file holds
ping...
On 07/08/2013 06:38 PM, Gu Zheng wrote:
Currently aio ring pages use get_user_pages() to allocate pages from movable
zone,as discussed in thread https://lkml.org/lkml/2012/11/29/69, it is easy to
pin user pages for a long time, which is fatal for memory hotplug/remove
framework
ping...
On 07/08/2013 06:38 PM, Gu Zheng wrote:
As the aio job will pin the ring pages, that will lead to mem migrated
failed. In order to fix this problem we use an anon inode to manage the aio
ring
pages, and setup the migratepage callback in the anon inode's address space,
so
Introduce help function F2FS_NODE() to simplify the conversion of node_page to
f2fs_node.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/data.c |2 +-
fs/f2fs/dir.c |2 +-
fs/f2fs/f2fs.h |9 +++--
fs/f2fs/file.c |2 +-
fs/f2fs/inode.c|4
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/gc.c | 17 +
1 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 1496159..0b8b439 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -314,28 +314,21 @@ static const struct
Remove the unused paramters of function jffs2_{compress,decompress}.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/jffs2/compr.c | 12 ++--
fs/jffs2/compr.h | 12 ++--
fs/jffs2/gc.c|2 +-
fs/jffs2/read.c |2 +-
fs/jffs2/write.c |2 +-
5 files
/lists/linux-fsdevel/msg66014.html
Gu Zheng (2):
fs/anon_inode: Introduce a new lib function anon_inode_getfile_private()
fs/aio: Add support to aio ring pages migration
fs/aio.c| 120 +++
fs/anon_inodes.c| 66
mem node
safely.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
Signed-off-by: Benjamin LaHaise b...@kvack.org
---
fs/aio.c| 120 ++
include/linux/migrate.h |3 +
mm/migrate.c|2 +-
3 files changed, 113 insertions
a private anon file will
benefit from this change.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
Signed-off-by: Benjamin LaHaise b...@kvack.org
---
fs/anon_inodes.c| 66 +++
include/linux/anon_inodes.h |3 ++
2 files changed, 69 insertions(+), 0
Hi Ben,
On 07/16/2013 09:16 PM, Benjamin LaHaise wrote:
On Tue, Jul 16, 2013 at 05:56:12PM +0800, Gu Zheng wrote:
Introduce a new lib function anon_inode_getfile_private(), it creates a new
file
instance by hooking it up to an anonymous inode, and a dentry that describe
the
class
Hi Ben,
On 07/16/2013 09:34 PM, Benjamin LaHaise wrote:
On Tue, Jul 16, 2013 at 05:56:16PM +0800, Gu Zheng wrote:
As the aio job will pin the ring pages, that will lead to mem migrated
failed. In order to fix this problem we use an anon inode to manage the aio
ring
pages, and setup
mem node
safely.
v1-v2:
Fix build failed issue if CONFIG_MIGRATION disabled.
Fix some minor issues under Benjamin's comments.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/aio.c| 116 +++
include/linux
Hi Ben,
On 07/17/2013 09:44 PM, Benjamin LaHaise wrote:
On Wed, Jul 17, 2013 at 05:22:30PM +0800, Gu Zheng wrote:
As the aio job will pin the ring pages, that will lead to mem migrated
failed. In order to fix this problem we use an anon inode to manage the aio
ring
pages, and setup
Remove the unused paramters of function jffs2_{compress,decompress}.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/jffs2/compr.c | 12 ++--
fs/jffs2/compr.h | 12 ++--
fs/jffs2/gc.c|2 +-
fs/jffs2/read.c |4 +++-
fs/jffs2/write.c |2 +-
5 files
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
lib/crc32.c | 15 ++-
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/lib/crc32.c b/lib/crc32.c
index 072fbd8..4722659 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -131,11 +131,14 @@ crc32_body(u32 crc, unsigned
After writing orphan inode entry in jornal block, we need to delete each
entry from the orphan entry list, and release them.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/f2fs/checkpoint.c
As we remove the target single node, so list_for_each is enought, in order to
clean up, we use list_for_each_entry instead.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c |5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b
Hi Ben, Al,
On 09/10/2013 12:02 AM, Benjamin LaHaise wrote:
Hi Al, Gu,
I've added this patch to my tree at git://git.kvack.org/~bcrl/aio-next.git
to fix the get_user_pages() issue introduced by Gu's changes in the page
migration patch. Thanks Al for spotting this.
Thanks very much for
Hi Jaegeuk,
On 09/10/2013 08:59 AM, Jaegeuk Kim wrote:
Hi,
2013-09-07 (토), 08:00 +, Chao Yu:
Hi Knize,
Thanks for your reply, I think it's actually meaningless that it's
being named after spin_lock,
it's better to rename this spinlock to round_robin_lock.
This patch can
Hi Jaegeuk,
On 09/10/2013 08:52 AM, Jaegeuk Kim wrote:
Hi,
At first, thank you for the report and please follow the email writing
rules. :)
Anyway, I agree to the below issue.
One thing that I can think of is that we don't need to use the
spin_lock, since we don't care about the exact
Hi Jaegeuk, Chao,
On 09/10/2013 08:52 AM, Jaegeuk Kim wrote:
Hi,
At first, thank you for the report and please follow the email writing
rules. :)
Anyway, I agree to the below issue.
One thing that I can think of is that we don't need to use the
spin_lock, since we don't care about the
Hi Chao,
On 09/12/2013 10:40 AM, 俞超 wrote:
Hi Gu
-Original Message-
From: Gu Zheng [mailto:guz.f...@cn.fujitsu.com]
Sent: Wednesday, September 11, 2013 1:38 PM
To: jaegeuk@samsung.com
Cc: chao2...@samsung.com; shu@samsung.com;
linux-fsde...@vger.kernel.org; linux-kernel
-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/f2fs.h |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 608f0df..7fd99d8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -544,15 +544,15 @@ static inline void mutex_unlock_all
-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c |1 -
fs/f2fs/data.c | 39 +--
fs/f2fs/node.c |1 -
fs/f2fs/recovery.c |2 --
fs/f2fs/segment.c|2 +-
5 files changed, 18 insertions(+), 27 deletions(-)
diff --git
, since it is just for write
priority, not for synchronization of the file system.
Got it, thanks for your explanation.:)
Best regards,
Gu
Thanks,
2013-07-30 (화), 18:06 +0800, Gu Zheng:
When we submit bio with READ_SYNC or WRITE_SYNC, we need to wait a
moment for the io completion, current
Hoho, Tomi has applied the patch from Lius to fix this warning.
And this is the sixth patch to fix the same issue since last week.
Thanks,
Gu
On 07/31/2013 11:21 AM, Xishi Qiu wrote:
When building v3.11-rc3, I get the following warning:
...
drivers/video/vga16fb.c: In function
cc akpm
On 07/29/2013 09:49 AM, Gu Zheng wrote:
Free the bio_integrity_pool in the fail path of biovec_create_pool
in function bioset_integrity_create().
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/bio-integrity.c |9 +
1 files changed, 5 insertions(+), 4
On 07/31/2013 06:06 PM, Jaegeuk Kim wrote:
2013-07-31 (수), 09:59 +0800, Gu Zheng:
Hi Kim,
On 07/30/2013 08:29 PM, Jaegeuk Kim wrote:
Hi Gu,
The original read flow was to avoid redandunt lock/unlock_page() calls.
Right, this can gain better read performance. But is the wait step after
Hi Jeon,
On 07/31/2013 10:33 PM, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
Add sysfs entries to control the timing parameters for
f2fs gc thread.
Various Sysfs options introduced are:
gc_min_sleep_time: Min Sleep time for GC in ms
gc_max_sleep_time: Max Sleep time
Hi Jeon,
On 07/31/2013 10:33 PM, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
Add sysfs entries namely gc_long_idle and gc_short_idle to control the
gc policy. Where long idle corresponds to selecting a cost benefit approach,
while short idle corresponds to selecting a
On 08/01/2013 03:58 PM, Jaegeuk Kim wrote:
This patch fixes mishandling of the sbi-n_orphans variable.
If users request lots of f2fs_unlink(), check_orphan_space() could be
contended.
In such the case, sbi-n_orphans can be read incorrectly so that f2fs_unlink()
would fall into the wrong
On 08/02/2013 09:19 AM, Namjae Jeon wrote:
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 78777cd..63813be 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -430,6 +430,10 @@ struct f2fs_sb_info {
#endif
unsigned int last_victim[2];/* last victim segment # */
The lock sequence of dcon_blank_fb(fb_info-lock --- console_lock) is against
with the one of console_callback(console_lock --- fb_info-lock), it'll
lead to a potential dead lock, so reorder the lock sequence of dcon_blank_fb
to avoid the potential dead lock.
Signed-off-by: Gu Zheng guz.f
(fb_info-lock);
[ 601.079000]
*** DEADLOCK ***
so we reorder the lock sequence the same as it in console_callback() to
avoid this issue. And following Tomi's suggestion, fix these similar
issues all in fb subsystem.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/video/fbmem.c
Stop the loop of iterating bh if we have confirmed page
has dirty and writeback buffers.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/buffer.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 6024877..519cc5c 100644
--- a/fs
Hi Dan,
On 11/05/2013 07:02 PM, Dan Carpenter wrote:
On Tue, Nov 05, 2013 at 06:01:00PM +0800, Gu Zheng wrote:
The lock sequence of dcon_blank_fb(fb_info-lock --- console_lock) is
against
with the one of console_callback(console_lock --- fb_info-lock), it'll
lead to a potential dead lock
On 11/06/2013 09:12 AM, Chao Yu wrote:
A NULL point should avoid to be used in destroy_segment_manager after
allocating memory fail for f2fs_sm_info.
Though without this patch it still can work well, because if it failed
to allocate f2fs_sm_info, the sit_info, free_info... all were NULL, and
On 11/06/2013 01:10 PM, Chao Yu wrote:
Hi Gu,
-Original Message-
From: Gu Zheng [mailto:guz.f...@cn.fujitsu.com]
Sent: Wednesday, November 06, 2013 11:41 AM
To: Chao Yu
Cc: ???; linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org;
linux-f2fs-de...@lists.sourceforge.net
Hi Jan,
On 11/07/2013 07:44 PM, Jan Kara wrote:
On Tue 05-11-13 18:02:03, Gu Zheng wrote:
Stop the loop of iterating bh if we have confirmed page
has dirty and writeback buffers.
Thanks for the patch. What I'm somewhat missing here is a motivation of
the patch. For the common case where
Hi Chao,
On 09/13/2013 09:27 PM, Chao Yu wrote:
This patch add macro MAX_BIO_BLOCKS to limit value of npages in
f2fs_bio_alloc,
it can avoid allocating failure in bio_alloc caused by npages is larger than
UIO_MAXIOV.
As I know bio_alloc is based of *fs_bio_set* pool, without the limitation
Hi Chao,
On 09/16/2013 11:26 AM, Chao Yu wrote:
Hi Gu
-Original Message-
From: Gu Zheng [mailto:guz.f...@cn.fujitsu.com]
Sent: Monday, September 16, 2013 10:09 AM
To: Chao Yu
Cc: Kim Jaegeuk; linux-f2fs-de...@lists.sourceforge.net;
linux-fsde...@vger.kernel.org; linux-kernel
(fb_info-lock);
[ 601.079000]
*** DEADLOCK ***
so we reorder the lock sequence the same as it in console_callback() to
avoid this issue.
Not very sure this change is suitable, any comments is welcome.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
drivers/video/fbmem.c | 50
Introduce the unfailed version of kmem_cache_alloc named f2fs_kmem_cache_alloc
to hide the retry routine and make the code a bit cleaner.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c | 26 +++---
fs/f2fs/f2fs.h | 13 +
fs/f2fs
. So add the delete and free step to fix it.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c |9 +
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 8d16071..f61838f 100644
--- a/fs/f2fs
Fix a potential out of range issue introduced by commit:
22fb72225a
f2fs: simplify write_orphan_inodes for better readable
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b
.
- Since we have no dependancies to remove bi_private now, let's just use
bi_private pointer as the completion pointer.
Cool, looks good to me.:)
Signed-off-by: Jaegeuk Kim jaegeuk@samsung.com
Reviewed-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/segment.c | 43
to submit the merged bio.
4. Change f2fs_readpage to f2fs_submit_page_bio.
5. Introduce f2fs_submit_page_mbio to integrate previous submit_read_page and
submit_write_page.
Signed-off-by: Jaegeuk Kim jaegeuk@samsung.com
Reviewed-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs
Hi Kristian, Dave,
Could you please help to check whether the following patch can fix this issue?
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/aio.c | 28 ++--
1 files changed, 10 insertions(+), 18 deletions(-)
diff --git a/fs/aio.c b/fs/aio.c
index 08159ed
on, and in the end IO path, wake up checkpoint task when IO
ends up.
Thanks to Yuan Zhong's pre work about this problem.
Reported-by: Yuan Zhong yuan.mark.zh...@samsung.com
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c | 11 +--
fs/f2fs/f2fs.h |1 +
fs/f2fs
Introduce function read_raw_super_block() to hide reading raw super block and
the retry routine if the first sb is invalid.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/super.c | 54 +-
1 files changed, 33 insertions(+), 21
Hi Tomi,
On 11/11/2013 09:59 PM, Tomi Valkeinen wrote:
On 2013-11-05 12:00, Gu Zheng wrote:
Following commits:
50e244cc79 fb: rework locking to fix lock ordering on takeover
e93a9a8687 fb: Yet another band-aid for fixing lockdep mess
054430e773 fbcon: fix locking harder
reworked locking
Hi Yu,
On 11/12/2013 01:18 PM, Chao Yu wrote:
Previously we read sit entries page one by one, this method lost the chance
of reading contiguous page together.
So we read pages as contiguous as possible for better mount performance.
Signed-off-by: Chao Yu chao2...@samsung.com
---
On 11/12/2013 01:15 PM, Chao Yu wrote:
For better read performance, we add a new function to support for merging
contiguous read as the one for write.
Nice shot!
Signed-off-by: Chao Yu chao2...@samsung.com
Acked-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/data.c | 45
Hi Yu,
On 11/13/2013 04:10 PM, Chao Yu wrote:
Hi Gu,
-Original Message-
From: Gu Zheng [mailto:guz.f...@cn.fujitsu.com]
Sent: Wednesday, November 13, 2013 11:39 AM
To: Chao Yu
Cc: ???; linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org;
linux-f2fs-de
Use mutex rather than the rw_sem to protect bio related fields,
because it's needless to take the read_sem in the read path.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/data.c|4
fs/f2fs/f2fs.h|2 +-
fs/f2fs/segment.c |8
fs/f2fs/super.c
Hi Kim,
On 11/18/2013 05:12 PM, Jaegeuk Kim wrote:
This patch removes an unnecessary semaphore (i.e., sbi-bio_sem).
There is no reason to use the semaphore when f2fs submits read and write IOs.
Instead, let's use a write mutex and cover the sbi-bio[] by the lock.
My god, I just sent out an
as the one for write.
Please consider 80 columns for the description.
I cannot fix this at every time though. :(
Got it, sorry about my carelessness in previous patch.
v1--v2:
o add declarations here as Gu Zheng suggested.
Signed-off-by: Chao Yu chao2...@samsung.com
Acked-by: Gu Zheng
merge judgements/use 'Continue' or 'Break' instead of 'Goto' as Gu Zheng
suggested.
o add mark_page_accessed () before release page to delay VM reclaiming them.
Signed-off-by: Chao Yu chao2...@samsung.com
---
fs/f2fs/segment.c | 108
-
fs
Gu Zheng (5):
f2fs: convert remove_inode_page to void
f2fs: convert dev_valid_block_count to void
f2fs: convert inc/dec_valid_node_count to inc/dec one count
f2fs: simplify write_orphan_inodes for better readable
f2fs: move the list_head initialization into the lock protection
Simplify write_orphan_inodes for better readable. Because we hold the
orphan_inode_mutex, so it's safe to use list_for_each_entry instead of
list_for_each_safe.
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c | 38 ++
1 files
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/f2fs.h |3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 94fbec3..d0c6738 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -585,7 +585,7 @@ static inline bool
Signed-off-by: Gu Zheng guz.f...@cn.fujitsu.com
---
fs/f2fs/checkpoint.c | 15 ++-
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index f884589..1de70cc 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
Hi Yu,
On 11/20/2013 01:37 PM, Chao Yu wrote:
Hi Gu,
-Original Message-
From: Gu Zheng [mailto:guz.f...@cn.fujitsu.com]
Sent: Monday, November 18, 2013 7:16 PM
To: Chao Yu
Cc: '???'; linux-fsde...@vger.kernel.org; linux-kernel@vger.kernel.org;
linux-f2fs-de
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