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f2fs: call sync_fs when f2fs is idle

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The sync_fs in f2fs_balance_fs_bg must avoid interrupting current user requests.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-12-05 11:37:14 -08:00
parent 204706c7ac
commit f455c8a5f0
1 changed files with 4 additions and 1 deletions
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5
fs/f2fs/segment.c
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@ -383,12 +383,15 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
else else
build_free_nids(sbi, false); build_free_nids(sbi, false);
if (!is_idle(sbi))
return;
/* checkpoint is the only way to shrink partial cached entries */ /* checkpoint is the only way to shrink partial cached entries */
if (!available_free_memory(sbi, NAT_ENTRIES) || if (!available_free_memory(sbi, NAT_ENTRIES) ||
!available_free_memory(sbi, INO_ENTRIES) || !available_free_memory(sbi, INO_ENTRIES) ||
excess_prefree_segs(sbi) || excess_prefree_segs(sbi) ||
excess_dirty_nats(sbi) || excess_dirty_nats(sbi) ||
(is_idle(sbi) && f2fs_time_over(sbi, CP_TIME))) { f2fs_time_over(sbi, CP_TIME)) {
if (test_opt(sbi, DATA_FLUSH)) { if (test_opt(sbi, DATA_FLUSH)) {
struct blk_plug plug; struct blk_plug plug;