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@xxxxxxxxxx>
---
fs/nfs/file.c | 2 ++
fs/nfs/internal.h | 3 ---
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 7d62097..6cfb83e 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 7ce5e02..2f1af3a 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -532,12 +532,9 @@ 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
--
2.8.2.311.gee88674
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