summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
authorJaegeuk Kim <jaegeuk@kernel.org>2016-01-23 22:00:57 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-02-22 16:07:23 -0800
commit6e17bfbc75a5cb9c363ba488bf57cd0152bc3ec0 (patch)
tree7ed3a95c3e90bf6602371b78c72911dcfa51aeaf /fs/f2fs
parent25c13551519c66453737e038d104058f94b2e70a (diff)
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: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/gc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index f610c2a9bdde..4a704a16bf17 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -838,8 +838,15 @@ gc_more:
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))