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f2fs: compress: use more readable atomic_t type for {cic,dic}.ref

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refcount_t type variable should never be less than one, so it's a
little bit hard to understand when we use it to indicate pending
compressed page count, let's change to use atomic_t for better
readability.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2020-08-10 18:39:30 +08:00
committed by Jaegeuk Kim
parent 17d7648d9c
commit e6c3948de2
3 changed files with 10 additions and 10 deletions
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6
fs/f2fs/data.c
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@@ -202,7 +202,7 @@ static void f2fs_verify_bio(struct bio *bio)
dic = (struct decompress_io_ctx *)page_private(page);
if (dic) {
if (refcount_dec_not_one(&dic->ref))
if (atomic_dec_return(&dic->pending_pages))
continue;
f2fs_verify_pages(dic->rpages,
dic->cluster_size);
@@ -2272,8 +2272,8 @@ submit_and_realloc:
if (IS_ERR(bio)) {
ret = PTR_ERR(bio);
dic->failed = true;
if (refcount_sub_and_test(dic->nr_cpages - i,
&dic->ref)) {
if (!atomic_sub_return(dic->nr_cpages - i,
&dic->pending_pages)) {
f2fs_decompress_end_io(dic->rpages,
cc->cluster_size, true,
false);