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authorChao Yu <yuchao0@huawei.com>2016-09-20 13:59:07 +0800
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-09-20 09:29:39 -0400
commitf844cd0d76378fa898890d2448222d407f3f8ecf (patch)
treebfee2f2368ee7c198c05c7a06c0fb8e42c5e9fcc
parentd48f9ce73c997573e1b512893fa6eddf353a6f69 (diff)
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nfs: cover ->migratepage with CONFIG_MIGRATION
It will be more clean to use CONFIG_MIGRATION to cover nfs' private .migratepage in nfs_file_aops like we do in other part of nfs operations. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/file.c2
-rw-r--r--fs/nfs/internal.h3
2 files changed, 2 insertions, 3 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index ca699ddc11c1..580d1c588228 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -543,7 +543,9 @@ const struct address_space_operations nfs_file_aops = {
.invalidatepage = nfs_invalidate_page,
.releasepage = nfs_release_page,
.direct_IO = nfs_direct_IO,
+#ifdef CONFIG_MIGRATION
.migratepage = nfs_migrate_page,
+#endif
.launder_page = nfs_launder_page,
.is_dirty_writeback = nfs_check_dirty_writeback,
.error_remove_page = generic_error_remove_page,
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index fd82bed39ed4..4f0b2db8327f 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -535,12 +535,9 @@ void nfs_clear_pnfs_ds_commit_verifiers(struct pnfs_ds_commit_info *cinfo)
}
#endif
-
#ifdef CONFIG_MIGRATION
extern int nfs_migrate_page(struct address_space *,
struct page *, struct page *, enum migrate_mode);
-#else
-#define nfs_migrate_page NULL
#endif
static inline int