f2fs: write node pages if checkpoint is not doing
It needs to write node pages if checkpoint is not doing in order to avoid
memory pressure.
Reviewed-by: Changman Lee <cm224.lee@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 4ea2c47..6f514fb 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1314,10 +1314,12 @@
return 0;
}
- if (wbc->for_reclaim)
- goto redirty_out;
-
- down_read(&sbi->node_write);
+ if (wbc->for_reclaim) {
+ if (!down_read_trylock(&sbi->node_write))
+ goto redirty_out;
+ } else {
+ down_read(&sbi->node_write);
+ }
set_page_writeback(page);
write_node_page(sbi, page, &fio, nid, ni.blk_addr, &new_addr);
set_node_addr(sbi, &ni, new_addr, is_fsync_dnode(page));