Btrfs: Add simple stripe size parameter

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b29b911dd825..9bc1b0a8615f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -135,6 +135,7 @@ struct btrfs_super_block {
         __le32 sectorsize;
         __le32 nodesize;
         __le32 leafsize;
+        __le32 stripesize;
         u8 root_level;
 } __attribute__ ((__packed__));
 
@@ -353,6 +354,8 @@ struct btrfs_root {
         /* leaf allocations are done in leafsize units */
         u32 leafsize;
 
+        u32 stripesize;
+
         u32 type;
         u64 highest_inode;
         u64 last_inode_alloc;
@@ -776,6 +779,8 @@ BTRFS_SETGET_STACK_FUNCS(super_nodesize, struct btrfs_super_block,
                          nodesize, 32);
 BTRFS_SETGET_STACK_FUNCS(super_leafsize, struct btrfs_super_block,
                          leafsize, 32);
+BTRFS_SETGET_STACK_FUNCS(super_stripesize, struct btrfs_super_block,
+                         stripesize, 32);
 BTRFS_SETGET_STACK_FUNCS(super_root_dir, struct btrfs_super_block,
                          root_dir_objectid, 64);