[PATCH v2 22/36] btrfs: add fscrypt_info and encryption_type to ordered_extent

[Josef Bacik <josef@toxicpanda.com>]

We're going to need these to update the file extent items once the
writes are complete.  Add them and add the pieces necessary to assign
them and free everything.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
---
 fs/btrfs/ordered-data.c | 2 ++
 fs/btrfs/ordered-data.h | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 574e8a55e24a..27350dd50828 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -181,6 +181,7 @@ static struct btrfs_ordered_extent *alloc_ordered_extent(
 	entry->bytes_left = num_bytes;
 	entry->inode = igrab(&inode->vfs_inode);
 	entry->compress_type = compress_type;
+	entry->encryption_type = BTRFS_ENCRYPTION_NONE;
 	entry->truncated_len = (u64)-1;
 	entry->qgroup_rsv = ret;
 	entry->flags = flags;
@@ -564,6 +565,7 @@ void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry)
 			list_del(&sum->list);
 			kvfree(sum);
 		}
+		fscrypt_put_extent_info(entry->fscrypt_info);
 		kmem_cache_free(btrfs_ordered_extent_cache, entry);
 	}
 }
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 567a6d3d4712..cc422bdb5363 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -115,6 +115,9 @@ struct btrfs_ordered_extent {
 	/* compression algorithm */
 	int compress_type;
 
+	/* encryption mode */
+	int encryption_type;
+
 	/* Qgroup reserved space */
 	int qgroup_rsv;
 
@@ -124,6 +127,9 @@ struct btrfs_ordered_extent {
 	/* the inode we belong to */
 	struct inode *inode;
 
+	/* the fscrypt_info for this extent, if necessary */
+	struct fscrypt_extent_info *fscrypt_info;
+
 	/* list of checksums for insertion when the extent io is done */
 	struct list_head list;
 
-- 
2.41.0