https://bugzilla.kernel.org/show_bug.cgi?id=216050
Somehow we're getting a page which has a different mapping.
Let's avoid the infinite loop.
Cc: <sta...@vger.kernel.org>
Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
fs/f2fs/data.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index bf51e6e4eb64..80702c93e885 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1329,18 +1329,14 @@ struct page *f2fs_get_lock_data_page(struct inode
*inode, pgoff_t index,
{
struct address_space *mapping = inode->i_mapping;
struct page *page;
-repeat:
+
page = f2fs_get_read_data_page(inode, index, 0, for_write, NULL);
if (IS_ERR(page))
return page;
/* wait for read completion */
lock_page(page);
- if (unlikely(page->mapping != mapping)) {
- f2fs_put_page(page, 1);
- goto repeat;
- }
- if (unlikely(!PageUptodate(page))) {
+ if (unlikely(page->mapping != mapping || !PageUptodate(page))) {
f2fs_put_page(page, 1);
return ERR_PTR(-EIO);
}
--
2.40.0.348.gf938b09366-goog
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