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authorJan Kara <jack@suse.cz>2018-12-28 00:39:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-28 12:11:51 -0800
commitab41ee6879981b3d3a16a1079a33fa6fd043eb3c (patch)
treebebba97531700a014e65998d6a275cf8f9fd3d57
parent88dbcbb3a4847f5e6dfeae952d3105497700c128 (diff)
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mm: migrate: drop unused argument of migrate_page_move_mapping()
All callers of migrate_page_move_mapping() now pass NULL for 'head' argument. Drop it. Link: http://lkml.kernel.org/r/20181211172143.7358-7-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Mel Gorman <mgorman@suse.de> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/aio.c2
-rw-r--r--fs/f2fs/data.c2
-rw-r--r--fs/iomap.c2
-rw-r--r--fs/ubifs/file.c2
-rw-r--r--include/linux/migrate.h3
-rw-r--r--mm/migrate.c7
6 files changed, 8 insertions, 10 deletions
diff --git a/fs/aio.c b/fs/aio.c
index aac9659381d2..bc401d5bcdc2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -409,7 +409,7 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
BUG_ON(PageWriteback(old));
get_page(new);
- rc = migrate_page_move_mapping(mapping, new, old, NULL, mode, 1);
+ rc = migrate_page_move_mapping(mapping, new, old, mode, 1);
if (rc != MIGRATEPAGE_SUCCESS) {
put_page(new);
goto out_unlock;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b293cb3e27a2..008b74eff00d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2738,7 +2738,7 @@ int f2fs_migrate_page(struct address_space *mapping,
*/
extra_count = (atomic_written ? 1 : 0) - page_has_private(page);
rc = migrate_page_move_mapping(mapping, newpage,
- page, NULL, mode, extra_count);
+ page, mode, extra_count);
if (rc != MIGRATEPAGE_SUCCESS) {
if (atomic_written)
mutex_unlock(&fi->inmem_lock);
diff --git a/fs/iomap.c b/fs/iomap.c
index ce837d962d47..2d9b93cc4930 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -563,7 +563,7 @@ iomap_migrate_page(struct address_space *mapping, struct page *newpage,
{
int ret;
- ret = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
+ ret = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (ret != MIGRATEPAGE_SUCCESS)
return ret;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 1b78f2e09218..5d2ffb1a45fc 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1481,7 +1481,7 @@ static int ubifs_migrate_page(struct address_space *mapping,
{
int rc;
- rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
+ rc = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (rc != MIGRATEPAGE_SUCCESS)
return rc;
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 617615fa11ce..e13d9bf2f9a5 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -77,8 +77,7 @@ extern void migrate_page_copy(struct page *newpage, struct page *page);
extern int migrate_huge_page_move_mapping(struct address_space *mapping,
struct page *newpage, struct page *page);
extern int migrate_page_move_mapping(struct address_space *mapping,
- struct page *newpage, struct page *page,
- struct buffer_head *head, enum migrate_mode mode,
+ struct page *newpage, struct page *page, enum migrate_mode mode,
int extra_count);
#else
diff --git a/mm/migrate.c b/mm/migrate.c
index 8dd57601714f..4389696fba0e 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -399,8 +399,7 @@ static int expected_page_refs(struct page *page)
* 3 for pages with a mapping and PagePrivate/PagePrivate2 set.
*/
int migrate_page_move_mapping(struct address_space *mapping,
- struct page *newpage, struct page *page,
- struct buffer_head *head, enum migrate_mode mode,
+ struct page *newpage, struct page *page, enum migrate_mode mode,
int extra_count)
{
XA_STATE(xas, &mapping->i_pages, page_index(page));
@@ -687,7 +686,7 @@ int migrate_page(struct address_space *mapping,
BUG_ON(PageWriteback(page)); /* Writeback must be complete */
- rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
+ rc = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (rc != MIGRATEPAGE_SUCCESS)
return rc;
@@ -790,7 +789,7 @@ recheck_buffers:
}
}
- rc = migrate_page_move_mapping(mapping, newpage, page, NULL, mode, 0);
+ rc = migrate_page_move_mapping(mapping, newpage, page, mode, 0);
if (rc != MIGRATEPAGE_SUCCESS)
goto unlock_buffers;