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| author | Chao Yu <yuchao0@huawei.com> | 2020-08-10 18:39:30 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-09-10 14:03:31 -0700 |
| commit | e6c3948de2f8213010e584009d47e9bc0934b32c (patch) | |
| tree | 0e7e2febdd212ee341cc4a5e7f0898d7a01c2558 /fs/f2fs/compress.c | |
| parent | 17d7648d9ce0c7d7e732252f0d976756c84d46aa (diff) | |
| download | linux-e6c3948de2f8213010e584009d47e9bc0934b32c.tar.bz2 | |
f2fs: compress: use more readable atomic_t type for {cic,dic}.ref
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>
Diffstat (limited to 'fs/f2fs/compress.c')
| -rw-r--r-- | fs/f2fs/compress.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 91ad994ac6c1..b3d1a8701988 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -677,7 +677,7 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity) if (bio->bi_status || PageError(page)) dic->failed = true; - if (refcount_dec_not_one(&dic->ref)) + if (atomic_dec_return(&dic->pending_pages)) return; trace_f2fs_decompress_pages_start(dic->inode, dic->cluster_idx, @@ -746,7 +746,7 @@ destroy_decompress_ctx: cops->destroy_decompress_ctx(dic); out_free_dic: if (verity) - refcount_set(&dic->ref, dic->nr_cpages); + atomic_set(&dic->pending_pages, dic->nr_cpages); if (!verity) f2fs_decompress_end_io(dic->rpages, dic->cluster_size, ret, false); @@ -1161,7 +1161,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc, cic->magic = F2FS_COMPRESSED_PAGE_MAGIC; cic->inode = inode; - refcount_set(&cic->ref, cc->nr_cpages); + atomic_set(&cic->pending_pages, cc->nr_cpages); cic->rpages = f2fs_kzalloc(sbi, sizeof(struct page *) << cc->log_cluster_size, GFP_NOFS); if (!cic->rpages) @@ -1296,7 +1296,7 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page) dec_page_count(sbi, F2FS_WB_DATA); - if (refcount_dec_not_one(&cic->ref)) + if (atomic_dec_return(&cic->pending_pages)) return; for (i = 0; i < cic->nr_rpages; i++) { @@ -1438,7 +1438,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc) dic->magic = F2FS_COMPRESSED_PAGE_MAGIC; dic->inode = cc->inode; - refcount_set(&dic->ref, cc->nr_cpages); + atomic_set(&dic->pending_pages, cc->nr_cpages); dic->cluster_idx = cc->cluster_idx; dic->cluster_size = cc->cluster_size; dic->log_cluster_size = cc->log_cluster_size; |