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[RFC,15/19] btrfs: allow writing compressed, encrypted, inline extents

Message ID 20190109012701.26441-15-mark@harmstone.com (mailing list archive)
State New, archived
Headers show
Series [RFC,01/19] btrfs: add encryption structs and constants | expand

Commit Message

Mark Harmstone Jan. 9, 2019, 1:26 a.m. UTC 
Signed-off-by: Mark Harmstone <mark@harmstone.com>
---
 fs/btrfs/inode.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 61481833f5e4..f8bc7174f7e3 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -219,6 +219,22 @@  static int insert_inline_extent(struct btrfs_trans_handle *trans,
 	if (compress_type != BTRFS_COMPRESS_NONE) {
 		struct page *cpage;
 		int i = 0;
+
+		if (enc_key) {
+			struct btrfs_file_extent_inline_enc *eienc;
+
+			eienc = (struct btrfs_file_extent_inline_enc *)ptr;
+
+			btrfs_set_file_extent_inline_enc_key_number(leaf,
+						eienc, enc_key->key_number);
+
+			write_eb_member(leaf, eienc,
+					struct btrfs_file_extent_inline_enc,
+					iv, iv);
+
+			ptr += sizeof(struct btrfs_file_extent_inline_enc);
+		}
+
 		while (compressed_size > 0) {
 			cpage = compressed_pages[i];
 			cur_size = min_t(unsigned long, compressed_size,