commit 0683728adab251d7747ce61279e249944effa78d
author Chao Yu <yuchao0@huawei.com> Tue Feb 18 18:21:35 2020 +0800
committer Jaegeuk Kim <jaegeuk@kernel.org> Thu Mar 19 11:41:26 2020 -0700
tree 6133f5aa597cb8f5fb53311ea0efa69199186229
parent 985100035ef5a78889bd2295d1cd91000b133846

f2fs: fix to avoid triggering IO in write path

If we are in write IO path, we need to avoid using GFP_KERNEL.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/compress.c

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 7489338..bd3ea01 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -656,7 +656,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
 		struct bio *bio = NULL;
 
 		ret = f2fs_read_multi_pages(cc, &bio, cc->cluster_size,
-						&last_block_in_bio, false);
+					&last_block_in_bio, false, true);
 		f2fs_destroy_compress_ctx(cc);
 		if (ret)
 			goto release_pages;