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fs: don't open code lru_to_page()

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Multiple filesystems open code lru_to_page().  Rectify this by moving
the macro from mm_inline (which is specific to lru stuff) to the more
generic mm.h header and start using the macro where appropriate.

No functional changes.

Link: http://lkml.kernel.org/r/20181129104810.23361-1-nborisov@suse.com
Link: https://lkml.kernel.org/r/20181129075301.29087-1-nborisov@suse.com
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Pankaj gupta <pagupta@redhat.com>
Acked-by: "Yan, Zheng" <zyan@redhat.com>		[ceph]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nikolay Borisov
2019-01-03 15:29:02 -08:00
committed by Linus Torvalds
parent 08d405c8b8
commit f86196ea87
10 changed files with 15 additions and 15 deletions
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5
fs/afs/file.c
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@@ -17,6 +17,7 @@
#include <linux/writeback.h>
#include <linux/gfp.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/mm.h>
#include "internal.h"
static int afs_file_mmap(struct file *file, struct vm_area_struct *vma);
@@ -441,7 +442,7 @@ static int afs_readpages_one(struct file *file, struct address_space *mapping,
/* Count the number of contiguous pages at the front of the list. Note
* that the list goes prev-wards rather than next-wards.
*/
first = list_entry(pages->prev, struct page, lru);
first = lru_to_page(pages);
index = first->index + 1;
n = 1;
for (p = first->lru.prev; p != pages; p = p->prev) {
@@ -473,7 +474,7 @@ static int afs_readpages_one(struct file *file, struct address_space *mapping,
* page at the end of the file.
*/
do {
page = list_entry(pages->prev, struct page, lru);
page = lru_to_page(pages);
list_del(&page->lru);
index = page->index;
if (add_to_page_cache_lru(page, mapping, index,