diff options
| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-23 22:00:57 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | 6e17bfbc75a5cb9c363ba488bf57cd0152bc3ec0 (patch) | |
| tree | 7ed3a95c3e90bf6602371b78c72911dcfa51aeaf /fs/f2fs/gc.c | |
| parent | f2fs: use writepages->lock for WB_SYNC_ALL (diff) | |
| download | linux-dev-6e17bfbc75a5cb9c363ba488bf57cd0152bc3ec0.tar.xz linux-dev-6e17bfbc75a5cb9c363ba488bf57cd0152bc3ec0.zip | |
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/gc.c')
| -rw-r--r-- | fs/f2fs/gc.c | 7 |
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)) |