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| author |  Yangtao Li <frank.li@vivo.com>
| 2022-11-24 00:44:02 +0800 |
|---|---|---|
| committer |  Jaegeuk Kim <jaegeuk@kernel.org>
| 2022-11-28 12:51:01 -0800 |
| commit | 8a47d228de6a4fd4c751142fb27d56f385b3fe41 (patch) | |
| tree | 31e1472134aae5dfbe75f0975ed7e72386b9053d /fs/f2fs/segment.c | |
| parent | f2fs: define MIN_DISCARD_GRANULARITY macro (diff) | |
| download | linux-8a47d228de6a4fd4c751142fb27d56f385b3fe41.tar.gz linux-8a47d228de6a4fd4c751142fb27d56f385b3fe41.tar.bz2 linux-8a47d228de6a4fd4c751142fb27d56f385b3fe41.zip | |
f2fs: introduce discard_urgent_util sysfs node
Through this node, you can control the background discard
to run more aggressively or not aggressively when reach the
utilization rate of the space.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
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 c7afcc6cd75b..0ff451ea18f6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1064,7 +1064,7 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi, dpolicy->io_aware = true; dpolicy->sync = false; dpolicy->ordered = true; - if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) { + if (utilization(sbi) > dcc->discard_urgent_util) { dpolicy->granularity = MIN_DISCARD_GRANULARITY; if (atomic_read(&dcc->discard_cmd_cnt)) dpolicy->max_interval = @@ -2079,6 +2079,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi) dcc->min_discard_issue_time = DEF_MIN_DISCARD_ISSUE_TIME; dcc->mid_discard_issue_time = DEF_MID_DISCARD_ISSUE_TIME; dcc->max_discard_issue_time = DEF_MAX_DISCARD_ISSUE_TIME; + dcc->discard_urgent_util = DEF_DISCARD_URGENT_UTIL; dcc->undiscard_blks = 0; dcc->next_pos = 0; dcc->root = RB_ROOT_CACHED; |