f2fs: flush dirty meta pages when flushing them

Jaegeuk Kim · Jaegeuk Kim · commit 9c30df7c5a30 · 2020-05-18T10:47:24.000-07:00
Let's guarantee flusing dirty meta pages to avoid infinite loop.

Signed-off-by: Jaegeuk Kim &lt;jaegeuk@kernel.org&gt;
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
@@ -1266,6 +1266,9 @@ void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type)
 		if (unlikely(f2fs_cp_error(sbi)))
 			break;
 
+		if (type == F2FS_DIRTY_META)
+			f2fs_sync_meta_pages(sbi, META, LONG_MAX,
+							FS_CP_META_IO);
 		io_schedule_timeout(DEFAULT_IO_TIMEOUT);
 	}
 	finish_wait(&sbi->cp_wait, &wait);

Original file line number	Diff line number	Diff line change
`@@ -1266,6 +1266,9 @@ void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type)`
`1266`	`1266`	`if (unlikely(f2fs_cp_error(sbi)))`
`1267`	`1267`	`break;`
`1268`	`1268`
	`1269`	`+ if (type == F2FS_DIRTY_META)`
	`1270`	`+ f2fs_sync_meta_pages(sbi, META, LONG_MAX,`
	`1271`	`+ FS_CP_META_IO);`
`1269`	`1272`	`io_schedule_timeout(DEFAULT_IO_TIMEOUT);`
`1270`	`1273`	`}`
`1271`	`1274`	`finish_wait(&sbi->cp_wait, &wait);`