Jaegeuk Kim 7702bdbe50 f2fs: avoid BG_GC in f2fs_balance_fs
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>
2016-11-25 10:15:57 -08:00
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