If there are multi segments in one section, we will read those SSA blocks which
have contiguous address one by one in f2fs_gc. It may lost performance, let's
read ahead SSA blocks by merge multi read request.
Signed-off-by: Chao Yu chao2...@samsung.com
---
fs/f2fs/checkpoint.c |6 --
This patch introduces an i_dir_level field to support large directory.
Previously, f2fs maintains multi-level hash tables to find a dentry quickly
from a bunch of chiild dentries in a directory, and the hash tables consist of
the following tree structure as below.
In
This patch adds an sysfs entry to control dir_level used by the large directory.
The description of this entry is:
dir_levelThis parameter controls the directory level to
support large directory. If a directory has a
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 jaegeuk@samsung.com
---
fs/f2fs/dir.c | 32 +---
1 file changed, 17
This patch use existing macro F2FS_INODE/NEXT_FREE_BLKADDR to clean up some
codes.
Signed-off-by: Chao Yu chao2...@samsung.com
---
fs/f2fs/f2fs.h |6 ++
fs/f2fs/recovery.c |2 +-
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index
Hello,
After reading phoronix's f2fs benchmarks
http://www.phoronix.com/scan.php?page=articleitem=linux_314_ssdfsnum=2 (3rd
picture) did kernel bisect and it resulted in this commit
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=fb5566da
.
PS Tried the latest
如需退订请点击此处
--
Flow-based real-time traffic analytics software. Cisco certified tool.
Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
Customize your own dashboards, set traffic alerts and generate
Hi,
Thank you for the report.
Unfortunately, when I measured dbench in my latest kernel, there was no
regression wrt the patch that you found.
Kernel: 3.14-rc3 with latest f2fs source codes
HW: Intel i5
OS: Ubuntu 12.10 x64
Test: dbench -D /mnt/test -t 6 6 -c ./client.txt
The results showed:
-
