From: Martin Brandenburg <martin@xxxxxxxxxxxx>
It's a copy of the loop which would run in read_pages from
mm/readahead.c.
Signed-off-by: Martin Brandenburg <martin@xxxxxxxxxxxx>
Signed-off-by: Mike Marshall <hubcap@xxxxxxxxxxxx>
---
fs/orangefs/inode.c | 39 +--------------------------------------
1 file changed, 1 insertion(+), 38 deletions(-)
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 2708bf8af9cf..fd23a8ca641c 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -15,7 +15,7 @@
#include "orangefs-kernel.h"
#include "orangefs-bufmap.h"
-static int read_one_page(struct page *page)
+static int orangefs_readpage(struct file *file, struct page *page)
{
int ret;
int max_block;
@@ -60,42 +60,6 @@ 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 = lru_to_page(pages);
- 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)
@@ -141,7 +105,6 @@ static ssize_t orangefs_direct_IO(struct kiocb *iocb,
/** ORANGEFS2 implementation of address space operations */
static 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,
--
2.20.1
