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| author | Sahitya Tummala <stummala@codeaurora.org> | 2018-09-19 14:18:47 +0530 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-09-19 15:55:14 -0700 |
| commit | a7d10cf3e4e3e308da01462a1ef8008233ee523d (patch) | |
| tree | e9efbbc09c649b95ae5d51bdbd388e472c472b3a /fs/f2fs/segment.c | |
| parent | 6f5c2ed0a26fae6904a88622c126dfb9369548a3 (diff) | |
| download | linux-a7d10cf3e4e3e308da01462a1ef8008233ee523d.tar.bz2 | |
f2fs: add new idle interval timing for discard and gc paths
This helps to control the frequency of submission of discard and
GC requests independently, based on the need.
Suggested-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-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 | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 9a8d7d415a74..97a4fae75651 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -508,7 +508,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi) else f2fs_build_free_nids(sbi, false, false); - if (!is_idle(sbi) && + if (!is_idle(sbi, REQ_TIME) && (!excess_dirty_nats(sbi) && !excess_dirty_nodes(sbi))) return; @@ -1308,7 +1308,7 @@ static unsigned int __issue_discard_cmd_orderly(struct f2fs_sb_info *sbi, if (dc->state != D_PREP) goto next; - if (dpolicy->io_aware && !is_idle(sbi)) { + if (dpolicy->io_aware && !is_idle(sbi, DISCARD_TIME)) { io_interrupted = true; break; } @@ -1368,7 +1368,7 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, f2fs_bug_on(sbi, dc->state != D_PREP); if (dpolicy->io_aware && i < dpolicy->io_aware_gran && - !is_idle(sbi)) { + !is_idle(sbi, DISCARD_TIME)) { io_interrupted = true; break; } @@ -1561,8 +1561,6 @@ static int issue_discard_thread(void *data) struct discard_policy dpolicy; unsigned int wait_ms = DEF_MIN_DISCARD_ISSUE_TIME; int issued; - unsigned long interval = sbi->interval_time[REQ_TIME] * HZ; - long delta; set_freezable(); @@ -1599,10 +1597,8 @@ static int issue_discard_thread(void *data) __wait_all_discard_cmd(sbi, &dpolicy); wait_ms = dpolicy.min_interval; } else if (issued == -1){ - delta = (sbi->last_time[REQ_TIME] + interval) - jiffies; - if (delta > 0) - wait_ms = jiffies_to_msecs(delta); - else + wait_ms = f2fs_time_to_wait(sbi, DISCARD_TIME); + if (!wait_ms) wait_ms = dpolicy.mid_interval; } else { wait_ms = dpolicy.max_interval; |