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| author | Chao Yu <yuchao0@huawei.com> | 2017-10-28 16:52:33 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-11-05 16:41:57 -0800 |
| commit | a2a12b679f367014fa86d2cf3309e37c59e155c2 (patch) | |
| tree | 38a8e0344d3ae61e9129d907f2fb0e3259b0e994 /fs/f2fs/segment.c | |
| parent | 0ea805129d1bc5dacb588392d191f686c91a70bb (diff) | |
| download | lwn-a2a12b679f367014fa86d2cf3309e37c59e155c2.tar.gz lwn-a2a12b679f367014fa86d2cf3309e37c59e155c2.zip | |
f2fs: export SSR allocation threshold
This patch exports min_ssr_segments threshold in sysfs to let user
control triggering SSR allocation flexibly.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d2b2351e7d9c..0de1761928d3 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -181,7 +181,7 @@ bool need_SSR(struct f2fs_sb_info *sbi) return true; return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs + - 2 * reserved_sections(sbi)); + SM_I(sbi)->min_ssr_sections + reserved_sections(sbi)); } void register_inmem_page(struct inode *inode, struct page *page) @@ -3671,6 +3671,7 @@ int build_segment_manager(struct f2fs_sb_info *sbi) sm_info->min_ipu_util = DEF_MIN_IPU_UTIL; sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS; sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS; + sm_info->min_ssr_sections = reserved_sections(sbi); sm_info->trim_sections = DEF_BATCHED_TRIM_SECTIONS; |