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authorJaegeuk Kim <jaegeuk@kernel.org>2017-03-24 20:05:13 -0400
committerJaegeuk Kim <jaegeuk@kernel.org>2017-04-05 11:05:05 -0700
commitef095d19e82f25bbdead472b8b71f4ef3b7a636d (patch)
tree2eb2262bb5ef4baa05b44d592bf30e4c8872cd72 /fs/f2fs/super.c
parenta7eeb823854c4ab19765a25fabbda07fe27be177 (diff)
downloadop-kernel-dev-ef095d19e82f25bbdead472b8b71f4ef3b7a636d.zip
op-kernel-dev-ef095d19e82f25bbdead472b8b71f4ef3b7a636d.tar.gz
f2fs: write small sized IO to hot log
It would better split small and large IOs separately in order to get more consecutive big writes. The default threshold is set to 64KB, but configurable by sysfs/min_hot_blocks. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f315b54..2e2e1b4 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -296,6 +296,7 @@ F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
+F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_hot_blocks, min_hot_blocks);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages);
F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio);
@@ -321,6 +322,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(ipu_policy),
ATTR_LIST(min_ipu_util),
ATTR_LIST(min_fsync_blocks),
+ ATTR_LIST(min_hot_blocks),
ATTR_LIST(max_victim_search),
ATTR_LIST(dir_level),
ATTR_LIST(ram_thresh),
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