return true;
}
-/* return # of compressed block addresses */
-static int f2fs_compressed_blocks(struct compress_ctx *cc)
+static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
{
struct dnode_of_data dn;
int ret;
blkaddr = data_blkaddr(dn.inode,
dn.node_page, dn.ofs_in_node + i);
- if (blkaddr != NULL_ADDR)
- ret++;
+ if (compr) {
+ if (__is_valid_data_blkaddr(blkaddr))
+ ret++;
+ } else {
+ if (blkaddr != NULL_ADDR)
+ ret++;
+ }
}
}
fail:
return ret;
}
+/* return # of compressed blocks in compressed cluster */
+static int f2fs_compressed_blocks(struct compress_ctx *cc)
+{
+ return __f2fs_cluster_blocks(cc, true);
+}
+
+/* return # of valid blocks in compressed cluster */
+static int f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
+{
+ return __f2fs_cluster_blocks(cc, false);
+}
+
int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index)
{
struct compress_ctx cc = {
.cluster_idx = index >> F2FS_I(inode)->i_log_cluster_size,
};
- return f2fs_compressed_blocks(&cc);
+ return f2fs_cluster_blocks(&cc, false);
}
static bool cluster_may_compress(struct compress_ctx *cc)
bool prealloc;
retry:
- ret = f2fs_compressed_blocks(cc);
+ ret = f2fs_cluster_blocks(cc, false);
if (ret <= 0)
return ret;