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>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index cda3ded..413d0a3 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1376,7 +1376,7 @@ struct compress_io_ctx {
struct inode *inode; /* inode the context belong to */
struct page **rpages; /* pages store raw data in cluster */
unsigned int nr_rpages; /* total page number in rpages */
- refcount_t ref; /* referrence count of raw page */
+ atomic_t pending_pages; /* in-flight compressed page count */
};
/* decompress io context for read IO path */
@@ -1395,7 +1395,7 @@ struct decompress_io_ctx {
struct compress_data *cbuf; /* virtual mapped address on cpages */
size_t rlen; /* valid data length in rbuf */
size_t clen; /* valid data length in cbuf */
- refcount_t ref; /* referrence count of compressed page */
+ atomic_t pending_pages; /* in-flight compressed page count */
bool failed; /* indicate IO error during decompression */
void *private; /* payload buffer for specified decompression algorithm */
void *private2; /* extra payload buffer */