Thank you guys.
I merged two patches. :)
--
Jaegeuk Kim
2014-07-24 22:49 GMT-07:00 Gu Zheng :
> On 07/25/2014 11:22 AM, Chao Yu wrote:
>
>> Hi,
>>
>> To Andrey:
>> Thanks for your test on this patch!
>>
>> To Gu:
>> If you do not object, let me make and resend a patch base on the one which
>> ski
This patch adds a mount option, nobarrier, in f2fs.
The assumption in here is that file system keeps the IO ordering, but
doesn't care about cache flushes inside the storages.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/data.c| 5 -
fs/f2fs/f2fs.h| 1 +
fs/f2fs/segment.c | 3 +++
fs/f2fs/
This patch punches out the core functions to manage the inode numbers.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 81
1 file changed, 44 insertions(+), 37 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index
For better ino management, this patch replaces the data structure from list
to radix tree.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 48 ++--
fs/f2fs/f2fs.h | 1 +
2 files changed, 27 insertions(+), 22 deletions(-)
diff --git a/fs/f
This patch changes the naming of orphan-related data structures to use as
inode numbers managed globally.
Later, we can use this facility for managing any inode number lists.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 72 +++-
fs/f2fs/de
This patch introduces a inode number list in which represents inodes having
appended data writes or updated data writes after last checkpoint.
This will be used at fsync to determine whether the recovery information
should be written or not.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c |
This patch intends to improve the fsync performance by skipping remaining the
recovery information, only when there is no data that we should recover.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/file.c | 16
1 file changed, 16 insertions(+)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file
This patch enforces in-place-updates only when fdatasync is requested.
If we adopt this in-place-updates for the fdatasync, we can skip to write the
recovery information.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/f2fs.h| 1 +
fs/f2fs/file.c| 7 +++
fs/f2fs/segment.h | 4
3 files ch
If the bit is already set, we don't need to reset it, and vice versa.
Because we don't need to make the caches dirty for that.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/f2fs.h | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 8f8685e..47
This patch fixes the wrongly used unlikely condition.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 42a16c1..36b0d47 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpo
This patch eliminates the propagation of recovery errors to the next mount.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/checkpoint.c | 3 ++-
fs/f2fs/f2fs.h | 2 +-
fs/f2fs/recovery.c | 20 +++-
fs/f2fs/segment.c| 5 +
4 files changed, 23 insertions(+), 7 deletions(
No need to do checkpoint, whenever any errors were detected.
Signed-off-by: Jaegeuk Kim
---
fs/f2fs/recovery.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index a112368..90d7e80 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/reco
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