Recently I messed up the error handling in filemap_fault() because of an unexpected ENOMEM (related to cgroup memory limits) in add_to_page_cache. Enable error injection at this point so I can add a testcase to xfstests to verify I don't mess this up again. Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx> --- mm/filemap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/filemap.c b/mm/filemap.c index 4157f858a9c6..a0fe0ce7a0df 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -882,6 +882,7 @@ static int __add_to_page_cache_locked(struct page *page, put_page(page); return xas_error(&xas); } +ALLOW_ERROR_INJECTION(__add_to_page_cache_locked, ERRNO); /** * add_to_page_cache_locked - add a locked page to the pagecache -- 2.14.3
