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Commit 5a92bc88 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: don't use migrate page without CONFIG_MIGRATION 



Fixes compile error

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 163cf09c

fs/btrfs/disk-io.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -712,8 +712,11 @@ static int btree_migratepage(struct address_space *mapping, 
	if (page_has_private(page) &&

	if (page_has_private(page) &&

	    !try_to_release_page(page, GFP_KERNEL))

	    !try_to_release_page(page, GFP_KERNEL))

		return -EAGAIN;

		return -EAGAIN;



#ifdef CONFIG_MIGRATION

	return migrate_page(mapping, newpage, page);

	return migrate_page(mapping, newpage, page);

#else

	return -ENOSYS;

#endif

}

}





static int btree_writepage(struct page *page, struct writeback_control *wbc)

static int btree_writepage(struct page *page, struct writeback_control *wbc)
@@ -821,7 +824,9 @@ static const struct address_space_operations btree_aops = { 
	.releasepage	= btree_releasepage,

	.releasepage	= btree_releasepage,

	.invalidatepage = btree_invalidatepage,

	.invalidatepage = btree_invalidatepage,

	.sync_page	= block_sync_page,

	.sync_page	= block_sync_page,

#ifdef CONFIG_MIGRATION

	.migratepage	= btree_migratepage,

	.migratepage	= btree_migratepage,

#endif

};

};





int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,

int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,