From: Neil Brown Date: Fri, 7 Apr 2006 04:34:45 +0000 (+0000) Subject: Fix alignment problem in version-1 superblocks. X-Git-Tag: mdadm-2.4.1~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ac957baa979f9c8562af929559bfb9c07691abbc;p=thirdparty%2Fmdadm.git Fix alignment problem in version-1 superblocks. NOTE: This is an incompatable change affecting raid5 reshape. If you want to reshape a raid5 using version-1 superblocks, use 2.6.17-rc2 or later, and mdadm-2.4.1 or later. Signed-off-by: Neil Brown --- diff --git a/ChangeLog b/ChangeLog index 44f188b6..ebf7f6e0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +Changes Prior to 2.4.1 release + - Honour --write-mostly when adding to an array without persistent + superblocks. + - Fix alignment problem in version-1 superblocks. + NOTE: This is an incompatable change affecting raid5 reshape. + If you want to reshape a raid5 using version-1 superblocks, + use 2.6.17-rc2 or later, and mdadm-2.4.1 or later. + Changes Prior to 2.4 release - Rewrite 'reshape' support including performing a backup of the critical region for a raid5 growth, and restoring that diff --git a/super1.c b/super1.c index 45c3d956..27cec874 100644 --- a/super1.c +++ b/super1.c @@ -58,8 +58,8 @@ struct mdp_superblock_1 { */ /* These are only valid with feature bit '4' */ - __u64 reshape_position; /* next address in array-space for reshape */ __u32 new_level; /* new level we are reshaping to */ + __u64 reshape_position; /* next address in array-space for reshape */ __u32 delta_disks; /* change in number of raid_disks */ __u32 new_layout; /* new layout */ __u32 new_chunk; /* new chunk size (bytes) */