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authorAl Viro <viro@zeniv.linux.org.uk>2016-10-11 05:02:51 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2016-10-11 05:02:51 +0200
commit3873691e5ab34fa26948643d038a2b98c4437298 (patch)
tree5327469194c2167830bce38b56a618b754cdbeea /mm/page_io.c
parentfs: Replace current_fs_time() with current_time() (diff)
parentvfs: add note about i_op->rename changes to porting (diff)
downloadlinux-3873691e5ab34fa26948643d038a2b98c4437298.tar.xz
linux-3873691e5ab34fa26948643d038a2b98c4437298.zip
Merge remote-tracking branch 'ovl/rename2' into for-linus
Diffstat (limited to 'mm/page_io.c')
-rw-r--r--mm/page_io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index 16bd82fad38c..eafe5ddc2b54 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -264,6 +264,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
int ret;
struct swap_info_struct *sis = page_swap_info(page);
+ BUG_ON(!PageSwapCache(page));
if (sis->flags & SWP_FILE) {
struct kiocb kiocb;
struct file *swap_file = sis->swap_file;
@@ -337,6 +338,7 @@ int swap_readpage(struct page *page)
int ret = 0;
struct swap_info_struct *sis = page_swap_info(page);
+ BUG_ON(!PageSwapCache(page));
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(PageUptodate(page), page);
if (frontswap_load(page) == 0) {
@@ -386,6 +388,7 @@ int swap_set_page_dirty(struct page *page)
if (sis->flags & SWP_FILE) {
struct address_space *mapping = sis->swap_file->f_mapping;
+ BUG_ON(!PageSwapCache(page));
return mapping->a_ops->set_page_dirty(page);
} else {
return __set_page_dirty_no_writeback(page);