From: Chao Yu Date: Fri, 27 Jul 2018 10:15:14 +0000 (+0800) Subject: f2fs: fix to active page in lru list for read path X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=82cf4f132e6d16dca6fc3bd955019246141bc645;p=linux.git f2fs: fix to active page in lru list for read path If config CONFIG_F2FS_FAULT_INJECTION is on, for both read or write path we will call find_lock_page() to get the page, but for read path, it missed to passing FGP_ACCESSED to allocator to active the page in LRU list, result in being reclaimed in advance incorrectly, fix it. Reported-by: Xianrong Zhou Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ff8f8d93acac3..a9447c7d65700 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1964,8 +1964,13 @@ static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, pgoff_t index, bool for_write) { #ifdef CONFIG_F2FS_FAULT_INJECTION - struct page *page = find_lock_page(mapping, index); + struct page *page; + if (!for_write) + page = find_get_page_flags(mapping, index, + FGP_LOCK | FGP_ACCESSED); + else + page = find_lock_page(mapping, index); if (page) return page;