It's a copy of the loop which runs if it's not implemented from read_pages from mm/readahead.c. Best to just use the generic code. Signed-off-by: Martin Brandenburg <martin@xxxxxxxxxxxx> --- fs/orangefs/file.c | 39 +-------------------------------------- 1 file changed, 1 insertion(+), 38 deletions(-) diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c index 9e409df..5f9577b 100644 --- a/fs/orangefs/file.c +++ b/fs/orangefs/file.c @@ -751,7 +751,7 @@ const struct file_operations orangefs_file_operations = { .fsync = orangefs_fsync, }; -static int read_one_page(struct page *page) +static int orangefs_readpage(struct file *file, struct page *page) { int ret; int max_block; @@ -796,42 +796,6 @@ static int read_one_page(struct page *page) return ret; } -static int orangefs_readpage(struct file *file, struct page *page) -{ - return read_one_page(page); -} - -static int orangefs_readpages(struct file *file, - struct address_space *mapping, - struct list_head *pages, - unsigned nr_pages) -{ - int page_idx; - int ret; - - gossip_debug(GOSSIP_INODE_DEBUG, "orangefs_readpages called\n"); - - for (page_idx = 0; page_idx < nr_pages; page_idx++) { - struct page *page; - - page = list_entry(pages->prev, struct page, lru); - list_del(&page->lru); - if (!add_to_page_cache(page, - mapping, - page->index, - readahead_gfp_mask(mapping))) { - ret = read_one_page(page); - gossip_debug(GOSSIP_INODE_DEBUG, - "failure adding page to cache, read_one_page returned: %d\n", - ret); - } else { - put_page(page); - } - } - BUG_ON(!list_empty(pages)); - return 0; -} - static void orangefs_invalidatepage(struct page *page, unsigned int offset, unsigned int length) @@ -877,7 +841,6 @@ static ssize_t orangefs_direct_IO(struct kiocb *iocb, /** ORANGEFS2 implementation of address space operations */ const struct address_space_operations orangefs_address_operations = { .readpage = orangefs_readpage, - .readpages = orangefs_readpages, .invalidatepage = orangefs_invalidatepage, .releasepage = orangefs_releasepage, .direct_IO = orangefs_direct_IO, -- 2.1.4