Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH 1/2] f2fs: compress: add sanity check during compressed cluster read | Date | Wed, 29 Jul 2020 21:21:35 +0800 |
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From: Chao Yu <yuchao0@huawei.com>
In f2fs_read_multi_pages(), we don't have to check cluster's type again, since overwrite or partial truncation need page lock in cluster which has already been held by reader, so cluster's type is stable, let's change check condition to sanity check.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/data.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index bc89bc987513..c1b676be67b9 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2170,9 +2170,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, if (ret) goto out; - /* cluster was overwritten as normal cluster */ - if (dn.data_blkaddr != COMPRESS_ADDR) - goto out; + f2fs_bug_on(sbi, dn.data_blkaddr != COMPRESS_ADDR); for (i = 1; i < cc->cluster_size; i++) { block_t blkaddr; -- 2.22.0
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