Reserve superblock field for the raid stripe width.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/lib/ext2fs/ChangeLog b/lib/ext2fs/ChangeLog
index 3f53df7ef5146f8d7e62941b01d9cc08dc5a02da..9807fee0c2d75035b4b4025c7b12851d3f94dc1c 100644 (file)
--- a/lib/ext2fs/ChangeLog
+++ b/lib/ext2fs/ChangeLog
@@ -1,3 +1,7 @@
+2007-05-31  Theodore Tso  <tytso@mit.edu>
+
+       * ext2_fs.h: Reserve superblock field for the raid stripe width.
+
 2007-05-31  Kalpak Shah <kalpak@clusterfs.com>
 
        * ext2_fs.h: Reserve superblock fields and INCOMPAT feature flag

diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index 81bd1904a0168403ec27bea63e802119a2230a56..a316665d9001fa73272db677fc3718692c59453a 100644 (file)
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -576,7 +576,8 @@ struct ext2_super_block {
        __u16   s_raid_stride;          /* RAID stride */
        __u16   s_mmp_interval;         /* # seconds to wait in MMP checking */
        __u64   s_mmp_block;            /* Block for multi-mount protection */
-       __u32   s_reserved[164];        /* Padding to the end of the block */
+       __u32   s_raid_stripe_width;    /* blocks on all data disks (N*stride)*/
+       __u32   s_reserved[163];        /* Padding to the end of the block */
 };
 
 /*