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Commit 6e17bfbc authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: fix to overcome inline_data floods 



The scenario is:
1. create lots of node blocks
2. sync
3. write lots of inline_data
-> got panic due to no free space

In that case, we should flush node blocks when writing inline_data in #3,
and trigger gc as well.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 25c13551

fs/f2fs/gc.c

+7 −0
Original line number Diff line number Diff line
@@ -838,8 +838,15 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync) 


	if (gc_type == BG_GC && has_not_enough_free_secs(sbi, sec_freed)) {

		gc_type = FG_GC;

		/*

		 * If there is no victim and no prefree segment but still not

		 * enough free sections, we should flush dent/node blocks and do

		 * garbage collections.

		 */

		if (__get_victim(sbi, &segno, gc_type) || prefree_segments(sbi))

			write_checkpoint(sbi, &cpc);

		else if (has_not_enough_free_secs(sbi, 0))

			write_checkpoint(sbi, &cpc);

	}



	if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type))