We should only account F2FS_{CP_}WB_DATA IOs for write path, fix it.
Signed-off-by: Chao Yu
---
fs/f2fs/data.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b0a2e3faabb2..1375fef11146 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@
Signed-off-by: Chao Yu
---
fs/f2fs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 751e1068db17..53305880c455 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -818,7 +818,7 @@ static void f2fs_put_super(struct super_block *s
It needs to double cache size of write_io_dummy mempool, otherwise we may
run out of cache in scenraio of Data/Node IOs were issued concurrently.
Signed-off-by: Chao Yu
---
fs/f2fs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index
This patch remove redundant set_page_dirty in truncate_blocks
Signed-off-by: Yunlei He
---
fs/f2fs/file.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 36c1565..c6ca00c 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -567,8 +567,7
The introduction of the multi-device feature partially broke the support
for zoned block devices. In the function f2fs_scan_devices, sbi->devs
allocation and initialization is skipped in the case of a single device
mount. This result in no device information structure being allocated
for the device
Signed-off-by: Hou Pengyang
---
fs/f2fs/super.c | 7 +--
include/trace/events/f2fs.h | 7 +++
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 751e106..746296e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -624,6 +
[fix: ae75f0ca76 f2fs: introduce free nid bitmap]
Signed-off-by: Hou Pengyang
---
fs/f2fs/node.c | 5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6d43095..353c01d 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2650,8 +2650,11 @@ i
fix such pclint warning:
...
Loss of precision (arg. no. 2) (unsigned long long to unsigned int))
Signed-off-by: Hou Pengyang
---
fs/f2fs/gc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 023f043..418fd98 100644
--- a/fs/f2fs/gc.c
+++ b/fs
On 2/27/2017 21:02, Hou Pengyang wrote:
> [fix: ae75f0ca76 f2fs: introduce free nid bitmap]
> Signed-off-by: Hou Pengyang
> ---
> fs/f2fs/node.c | 5 -
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index 6d43095..353c01d 100644
> --- a/fs
On 02/27, Chao Yu wrote:
> On 2017/2/26 3:56, Jaegeuk Kim wrote:
> > On 02/25, guoweichao wrote:
> >> Hi Jaegeuk,
> >>
> >> I regard no enough free sections as a precondition when talking about
> >> BG_GC -> FG_GC. I mean that for both case a) and b) I mentioned has no
> >> enough
> >> free sectio
Hello,
On 02/27, Masato Suzuki wrote:
> The introduction of the multi-device feature partially broke the support
> for zoned block devices. In the function f2fs_scan_devices, sbi->devs
> allocation and initialization is skipped in the case of a single device
> mount. This result in no device infor
If segs_per_sec is over 1 like under SMR, previously f2fs issues discard
commands redundantly on the same section, since we didn't move end position
for the previous discard command.
E.g.,
start end
||
prefree_bitmap = [010000]
A
On 02/27, Chao Yu wrote:
> On 2017/2/26 2:34, Jaegeuk Kim wrote:
> > On 02/25, Chao Yu wrote:
> >> On 2017/2/24 6:54, Jaegeuk Kim wrote:
> >>> On 02/23, Chao Yu wrote:
> On 2017/2/14 10:06, Jaegeuk Kim wrote:
> > ...
> >>>
> > +static int scan_nat_bits(struct f2fs_sb_info *sbi)
> > +{
On 02/27, Chao Yu wrote:
> On 2017/2/26 3:02, Jaegeuk Kim wrote:
> > On 02/25, Chao Yu wrote:
> >> Hi Jaegeuk,
> >>
> >> I added below diff code into this patch in order to fix incorrectly nid
> >> status
> >> updating to reduce large latency of generic/251 in fstest, could you help
> >> to
> >>
On 02/27, Yunlei He wrote:
> This patch add a function to modify discard command if one segment
> reuse before discard. Split this segment from multi-segments discard
> range, and discard the left bigger range.
Now MAX_DISCARD_BLOCKS() is set to section size, so there will be no
multi-sections dis
On 02/25, Yunlong Song wrote:
> The benefit is much, let me give an example to make the point more clear, the
> reserved_sections for a 64G image is
> about 500M, and if the current free_sections is 600M, and the IO pattern is
> like this:
>
> Before this patch:
> time 1: node & dent * imeta 20
On 02/27, heyunlei wrote:
> Hi Jaegeuk,
>
> On 2017/2/27 9:59, Hou Pengyang wrote:
> > We use has_not_enough_free_secs to check if there are enough free segments,
> >
> > (free_sections(sbi) + freed) <=
> > (node_secs + 2 * dent_secs + imeta_secs +
> > re
On 02/27, Jaegeuk Kim wrote:
> On 02/27, Chao Yu wrote:
> > On 2017/2/26 3:56, Jaegeuk Kim wrote:
> > > On 02/25, guoweichao wrote:
> > >> Hi Jaegeuk,
> > >>
> > >> I regard no enough free sections as a precondition when talking about
> > >> BG_GC -> FG_GC. I mean that for both case a) and b) I men
Hi Jaegeuk,
On 2017/2/28 7:08, Jaegeuk Kim wrote:
> On 02/27, Yunlei He wrote:
>> This patch add a function to modify discard command if one segment
>> reuse before discard. Split this segment from multi-segments discard
>> range, and discard the left bigger range.
>
> Now MAX_DISCARD_BLOCKS() is
On 2017/2/27 21:52, Kinglong Mee wrote:
> On 2/27/2017 21:02, Hou Pengyang wrote:
>> [fix: ae75f0ca76 f2fs: introduce free nid bitmap]
>> Signed-off-by: Hou Pengyang
>> ---
>> fs/f2fs/node.c | 5 -
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/fs/f2fs/node.c b/fs/f2fs
On 2017/2/28 7:40, Jaegeuk Kim wrote:
> On 02/27, heyunlei wrote:
>> Hi Jaegeuk,
>>
>> On 2017/2/27 9:59, Hou Pengyang wrote:
>>> We use has_not_enough_free_secs to check if there are enough free segments,
>>>
>>> (free_sections(sbi) + freed) <=
>>> (node_secs + 2 * dent_secs
On 2017/2/24 6:58, Jaegeuk Kim wrote:
> @@ -2326,7 +2431,8 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
>* entries, remove all entries from journal and merge them
>* into nat entry set.
>*/
> - if (!__has_cursum_space(journal, nm_i->dirty_nat_cnt, NAT_JOURNAL))
>
On 02/28, Chao Yu wrote:
> On 2017/2/24 6:58, Jaegeuk Kim wrote:
> > @@ -2326,7 +2431,8 @@ void flush_nat_entries(struct f2fs_sb_info *sbi)
> > * entries, remove all entries from journal and merge them
> > * into nat entry set.
> > */
> > - if (!__has_cursum_space(journal, nm_i->di
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