erofs: Switch to attach/detach_page_private (959804ef) · Commits · e / devices / android_kernel_oneplus_sm7250

fs/erofs/zdata.c

+6 −11

Original line number	Diff line number	Diff line
		@@ -331,11 +331,8 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,

		/* barrier is implied in the following 'unlock_page' */
		WRITE_ONCE(pcl->compressed_pages[i], NULL);

		set_page_private(page, 0);
		ClearPagePrivate(page);
		detach_page_private(page);
		unlock_page(page);
		put_page(page);
		}
		return 0;
		}
		@@ -358,11 +355,8 @@ int erofs_try_to_free_cached_page(struct address_space *mapping,
		}
		erofs_workgroup_unfreeze(&pcl->obj, 1);

		if (ret) {
		set_page_private(page, 0);
		ClearPagePrivate(page);
		put_page(page);
		}
		if (ret)
		detach_page_private(page);
		}
		return ret;
		}
		@@ -1184,8 +1178,9 @@ static struct page pickup_page_for_submission(struct z_erofs_pcluster pcl,
		set_page_private(page, Z_EROFS_SHORTLIVED_PAGE);
		goto out;
		}
		set_page_private(page, (unsigned long)pcl);
		SetPagePrivate(page);
		attach_page_private(page, pcl);
		/* drop a refcount added by allocpage (then we have 2 refs here) */
		put_page(page);

		out: /* the only exit (for tracing and debugging) */
		return page;