Btrfs: Add simple stripe size parameter

[linux-2.6-block.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b29b911dd825a97e70663e08af370bab91a3690a..9bc1b0a8615fb9590de894bdbb62ade7ff8c416e 100644 (file)
--- 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);