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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>
This commit is contained in:
Chao Yu 2016-09-20 13:59:07 +08:00 committed by Anna Schumaker
parent d48f9ce73c
commit f844cd0d76
2 changed files with 2 additions and 3 deletions
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2
fs/nfs/file.c
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@ -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,

3
fs/nfs/internal.h
View File

@ -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