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Message-id: <1369625823.10521.29.camel@kjgkr>
Date: Mon, 27 May 2013 12:37:03 +0900
From: Jaegeuk Kim <jaegeuk.kim@...sung.com>
To: Anca Emanuel <anca.emanuel@...il.com>
Cc: "Linux Kernel, Mailing List" <linux-kernel@...r.kernel.org>,
"Linux FS DEV, Mailing List" <linux-fsdevel@...r.kernel.org>,
"Linux F2FS DEV, Mailing List"
<linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [GIT PULL v2] f2fs updates for v3.10
Hi,
Thank you for the report.
I'm not able to reproduce this at all.
In my runs, there was no regression.
Can you do that?
Thanks,
2013-05-15 (수), 12:09 +0300, Anca Emanuel:
> Regresions: http://www.phoronix.com/scan.php?page=article&item=linux_310_f2fs&num=3
>
> The most notable one is PostgreSQL pgbench v8.4.11
> Transactions per second: 3032 in kernel 3.9
> down to 832 in kernel 3.10-rc1
>
> On Wed, May 8, 2013 at 2:10 PM, Jaegeuk Kim <jaegeuk.kim@...sung.com> wrote:
> > Hi Linus,
> >
> > I've rebased one of patches, so could you consider the following pull
> > request?
> > Sorry for the noise.
> >
> > The following changes since commit
> > 47b3bc907328db968bc9b43c41f48f8d1e140750:
> >
> > Merge branch 'x86-urgent-for-linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (2013-03-07
> > 15:57:38 -0800)
> >
> > are available in the git repository at:
> >
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git
> > tags/f2fs-for-v3.10
> >
> > for you to fetch changes up to 59bbd474abb9dd6a0c1a74df758ec29c7a8b150f:
> >
> > f2fs: cover free_nid management with spin_lock (2013-05-08 19:54:22
> > +0900)
> >
> > ----------------------------------------------------------------
> > f2fs updates for v3.10
> >
> > This patch-set includes the following major enhancement patches.
> > o introduce a new gloabl lock scheme
> > o add tracepoints on several major functions
> > o fix the overall cleaning process focused on victim selection
> > o apply the block plugging to merge IOs as much as possible
> > o enhance management of free nids and its list
> > o enhance the readahead mode for node pages
> > o address several cretical deadlock conditions
> > o reduce lock_page calls
> >
> > The other minor bug fixes and enhancements are as follows.
> > o calculation mistakes: overflow
> > o bio types: READ, READA, and READ_SYNC
> > o fix the recovery flow, data races, and null pointer errors
> >
> > ----------------------------------------------------------------
> > Alexandru Gheorghiu (1):
> > f2fs: use kmemdup
> >
> > Changman Lee (3):
> > f2fs: fix overflow when calculating utilization on 32-bit
> > f2fs: check the level before calling get_nid function
> > f2fs: update f2fs.txt related with discard at mkfs
> >
> > Chris Fries (2):
> > f2fs: continue to mount after failing recovery
> > f2fs: recover when journal contains deleted files
> >
> > Haicheng Li (5):
> > f2fs: fix inconsistent using of NM_WOUT_THRESHOLD
> > f2fs: remove useless #include <linux/proc_fs.h> as we're now using
> > sysfs as debug entry.
> > f2fs: bugfix for alloc_nid_failed()
> > f2fs: code cleanup for scan_nat_page() and build_free_nids()
> > f2fs: optimize scan_nat_page()
> >
> > Jaegeuk Kim (35):
> > f2fs: fix to unlock node page when it was truncated
> > f2fs: read with READ_SYNC when getting dnode page
> > f2fs: introduce readahead mode of node pages
> > f2fs: align f2fs maximum name length to linux based filesystem
> > f2fs: reduce unncessary locking pages during read
> > f2fs: should check the node page was truncated first
> > f2fs: scan next nat page to reuse free nids in there
> > f2fs: fix return value of releasepage for node and data
> > f2fs: fix not to allocate max_nid
> > f2fs: fix to call WRITE_FLUSH at the end of fsync
> > f2fs: fix the recovery flow to handle errors correctly
> > f2fs: do not skip writing file meta during fsync
> > f2fs: remain nat cache entries for further free nid allocation
> > f2fs: fix to give correct parent inode number for roll forward
> > f2fs: do not use duplicate names in a macro
> > f2fs: introduce TOTAL_SECS macro
> > f2fs: remove redundant lock_page calls
> > f2fs: allocate new segment aligned with sections
> > f2fs: change GC bitmaps to apply the section granularity
> > f2fs: check completion of foreground GC
> > f2fs: allocate remained free segments in the LFS mode
> > f2fs: avoid race for summary information
> > f2fs: fix the bitmap consistency of dirty segments
> > f2fs: reduce redundant spin_lock operations
> > f2fs: introduce a new global lock scheme
> > f2fs: write checkpoint before starting FG_GC
> > f2fs: avoid frequent background GC
> > f2fs: give a chance to merge IOs by IO scheduler
> > f2fs: check nid == 0 in add_free_nid
> > f2fs: add a tracepoint on f2fs_new_inode
> > f2fs: enhance alloc_nid and build_free_nids flows
> > f2fs: check truncation of mapping after lock_page
> > f2fs: modify the number of issued pages to merge IOs
> > f2fs: avoid deadlock during evict after f2fs_gc
> > f2fs: cover free_nid management with spin_lock
> >
> > Jason Hrycay (1):
> > f2fs: move f2fs_balance_fs from truncate to punch_hole
> >
> > Masanari Iida (1):
> > f2fs: fix typo in comments
> >
> > Namjae Jeon (17):
> > f2fs: optimize get node page readahead part
> > f2fs: optimize and change return path in lookup_free_nid_list
> > f2fs: avoid extra ++ while returning from get_node_path
> > f2fs: notify when discard is not supported
> > f2fs: reorganize f2fs_setxattr
> > f2fs: fix return values from validate superblock
> > f2fs: avoid BUG_ON from check_nid_range and update return path in
> > do_read_inode
> > f2fs: fix typo mistakes
> > f2fs: make is_multimedia_file code align with its name
> > f2fs: add tracepoints for sync & inode operations
> > f2fs: add tracepoints for truncate operation
> > f2fs: add tracepoint for tracing the page i/o
> > f2fs: add tracepoints for GC threads
> > f2fs: add tracepoints to debug the block allocation
> > f2fs: add tracepoints for write page operations
> > f2fs: add tracepoints to debug checkpoint request
> > f2fs: add REQ_META about metadata requests for submit
> >
> > P J P (1):
> > f2fs: add NULL pointer check
> >
> > Wei Yongjun (1):
> > f2fs: fix error return code in f2fs_fill_super()
> >
> > Zhihui Zhang (1):
> > f2fs: fix the logic of IS_DNODE()
> >
> > Documentation/filesystems/f2fs.txt | 4 +-
> > fs/f2fs/checkpoint.c | 63 ++--
> > fs/f2fs/data.c | 202 ++++++-----
> > fs/f2fs/debug.c | 10 +-
> > fs/f2fs/dir.c | 110 +++---
> > fs/f2fs/f2fs.h | 95 ++++--
> > fs/f2fs/file.c | 116 +++----
> > fs/f2fs/gc.c | 125 ++++---
> > fs/f2fs/gc.h | 12 +-
> > fs/f2fs/inode.c | 68 ++--
> > fs/f2fs/namei.c | 80 +++--
> > fs/f2fs/node.c | 411 ++++++++++++----------
> > fs/f2fs/node.h | 20 +-
> > fs/f2fs/recovery.c | 83 +++--
> > fs/f2fs/segment.c | 137 +++++---
> > fs/f2fs/segment.h | 41 ++-
> > fs/f2fs/super.c | 69 +++-
> > fs/f2fs/xattr.c | 28 +-
> > include/linux/f2fs_fs.h | 17 +-
> > include/trace/events/f2fs.h | 682
> > +++++++++++++++++++++++++++++++++++++
> > 20 files changed, 1679 insertions(+), 694 deletions(-)
> > create mode 100644 include/trace/events/f2fs.h
> >
> >
> > --
> > Jaegeuk Kim
> > Samsung
> --
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--
Jaegeuk Kim
Samsung
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