diff options
| author | Daeho Jeong <daehojeong@google.com> | 2024-09-09 15:19:46 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-09-11 03:33:08 +0000 |
| commit | e791d00bd06cb2d3a10afa43e57f6364931d0ada (patch) | |
| tree | 17f067d759cf9078c04a0677a30ffbd4c7e68c5a /fs/f2fs/sysfs.c | |
| parent | 9a481a1c16f4653c3414d996c3603eb42926e28b (diff) | |
f2fs: add valid block ratio not to do excessive GC for one time GC
We need to introduce a valid block ratio threshold not to trigger
excessive GC for zoned deivces. The initial value of it is 95%. So, F2FS
will stop the thread from intiating GC for sections having valid blocks
exceeding the ratio.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index a65c356a2769..d18931b7b094 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -979,6 +979,7 @@ GC_THREAD_RW_ATTR(gc_max_sleep_time, max_sleep_time); GC_THREAD_RW_ATTR(gc_no_gc_sleep_time, no_gc_sleep_time); GC_THREAD_RW_ATTR(gc_no_zoned_gc_percent, no_zoned_gc_percent); GC_THREAD_RW_ATTR(gc_boost_zoned_gc_percent, boost_zoned_gc_percent); +GC_THREAD_RW_ATTR(gc_valid_thresh_ratio, valid_thresh_ratio); /* SM_INFO ATTR */ SM_INFO_RW_ATTR(reclaim_segments, rec_prefree_segments); @@ -1141,6 +1142,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(gc_no_gc_sleep_time), ATTR_LIST(gc_no_zoned_gc_percent), ATTR_LIST(gc_boost_zoned_gc_percent), + ATTR_LIST(gc_valid_thresh_ratio), ATTR_LIST(gc_idle), ATTR_LIST(gc_urgent), ATTR_LIST(reclaim_segments), |