1 files changed, 10 insertions, 5 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 4403e5643d43..4acd4c611efa 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -398,13 +398,15 @@ struct btrfs_super_block {
 #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF    (1ULL << 0)
 #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL   (1ULL << 1)
 #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS     (1ULL << 2)
+#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO     (1ULL << 3)
 
 #define BTRFS_FEATURE_COMPAT_SUPP               0ULL
 #define BTRFS_FEATURE_COMPAT_RO_SUPP            0ULL
 #define BTRFS_FEATURE_INCOMPAT_SUPP                     \
         (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF |         \
          BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL |        \
-         BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS)
+         BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS |          \
+         BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO)
 
 /*
  * A leaf is full of items. offset and size tell us where to find
@@ -551,9 +553,11 @@ struct btrfs_timespec {
 } __attribute__ ((__packed__));
 
 enum btrfs_compression_type {
-        BTRFS_COMPRESS_NONE = 0,
-        BTRFS_COMPRESS_ZLIB = 1,
-        BTRFS_COMPRESS_LAST = 2,
+        BTRFS_COMPRESS_NONE  = 0,
+        BTRFS_COMPRESS_ZLIB  = 1,
+        BTRFS_COMPRESS_LZO   = 2,
+        BTRFS_COMPRESS_TYPES = 2,
+        BTRFS_COMPRESS_LAST  = 3,
 };
 
 struct btrfs_inode_item {
@@ -897,7 +901,8 @@ struct btrfs_fs_info {
          */
         u64 last_trans_log_full_commit;
         u64 open_ioctl_trans;
-        unsigned long mount_opt;
+        unsigned long mount_opt:20;
+        unsigned long compress_type:4;
         u64 max_inline;
         u64 alloc_start;
         struct btrfs_transaction *running_transaction;