xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

f2fs: avoid BG_GC in f2fs_balance_fs

Browse Source 
If many threads hit has_not_enough_free_secs() in f2fs_balance_fs() at the same
time, all the threads would do FG_GC or BG_GC.
In this critical path, we totally don't need to do BG_GC at all.
Let's avoid that.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-11-14 17:38:35 -08:00
parent c040ff9d69
commit 7702bdbe50
4 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
fs/f2fs/segment.c
View File

@@ -366,7 +366,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
*/
if (has_not_enough_free_secs(sbi, 0, 0)) {
mutex_lock(&sbi->gc_mutex);
f2fs_gc(sbi, false);
f2fs_gc(sbi, false, false);
}
}