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Diffstat (limited to 'fs/f2fs/gc.c')
-rw-r--r--fs/f2fs/gc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 5261b5b5e8d1..56c53dbe05c9 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1805,6 +1805,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, struct f2fs_gc_control *gc_control)
.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
};
unsigned int skipped_round = 0, round = 0;
+ unsigned int upper_secs;
trace_f2fs_gc_begin(sbi->sb, gc_type, gc_control->no_bg_gc,
gc_control->nr_free_secs,
@@ -1890,8 +1891,13 @@ retry:
}
}
- /* Write checkpoint to reclaim prefree segments */
- if (free_sections(sbi) < NR_CURSEG_PERSIST_TYPE &&
+ __get_secs_required(sbi, NULL, &upper_secs, NULL);
+
+ /*
+ * Write checkpoint to reclaim prefree segments.
+ * We need more three extra sections for writer's data/node/dentry.
+ */
+ if (free_sections(sbi) <= upper_secs + NR_GC_CHECKPOINT_SECS &&
prefree_segments(sbi)) {
ret = f2fs_write_checkpoint(sbi, &cpc);
if (ret)