ext4: Add multi block allocator for ext4

Signed-off-by: Alex Tomas <alex@clusterfs.com>
Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h
index 4377d249d378..d5508d3cf290 100644
--- a/include/linux/ext4_fs_i.h
+++ b/include/linux/ext4_fs_i.h
@@ -158,6 +158,10 @@ struct ext4_inode_info {
          * struct timespec i_{a,c,m}time in the generic inode.
          */
         struct timespec i_crtime;
+
+        /* mballoc */
+        struct list_head i_prealloc_list;
+        spinlock_t i_prealloc_lock;
 };
 
 #endif  /* _LINUX_EXT4_FS_I */