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Btrfs: don't use migrate page without CONFIG_MIGRATION

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Fixes compile error

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2010-11-29 09:49:11 -05:00
parent 163cf09c2a
commit 5a92bc88ce
1 changed files with 6 additions and 1 deletions
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7
fs/btrfs/disk-io.c
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@ -712,8 +712,11 @@ static int btree_migratepage(struct address_space *mapping,
if (page_has_private(page) &&
!try_to_release_page(page, GFP_KERNEL))
return -EAGAIN;
#ifdef CONFIG_MIGRATION
return migrate_page(mapping, newpage, page);
#else
return -ENOSYS;
#endif
}
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,
.invalidatepage = btree_invalidatepage,
.sync_page = block_sync_page,
#ifdef CONFIG_MIGRATION
.migratepage = btree_migratepage,
#endif
};
int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,