From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Sat, 2 Jan 2016 06:03:47 +0000 (-0800)
Subject: f2fs: check the page status filled from disk
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7612118ae8cdd36cbd74d873855d70252d2d49e3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

f2fs: check the page status filled from disk

After reading a page, we need to check whether there is any error.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ac5bea0f5f09..77c3bbb9bee0 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -413,7 +413,7 @@ struct page *get_new_data_page(struct inode *inode,
 	struct page *page;
 	struct dnode_of_data dn;
 	int err;
-repeat:
+
 	page = f2fs_grab_cache_page(mapping, index, true);
 	if (!page) {
 		/*
@@ -442,12 +442,11 @@ repeat:
 	} else {
 		f2fs_put_page(page, 1);
 
-		page = get_read_data_page(inode, index, READ_SYNC, true);
+		/* if ipage exists, blkaddr should be NEW_ADDR */
+		f2fs_bug_on(F2FS_I_SB(inode), ipage);
+		page = get_lock_data_page(inode, index, true);
 		if (IS_ERR(page))
-			goto repeat;
-
-		/* wait for read completion */
-		lock_page(page);
+			return page;
 	}
 got_it:
 	if (new_i_size && i_size_read(inode) <