From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kwolek Subject: [PATCH 3/3] imsm: Add metadata abort changes handler template Date: Mon, 14 Mar 2011 15:09:47 +0100 Message-ID: <20110314140947.20478.79718.stgit@gklab-128-013.igk.intel.com> References: <20110314140052.20478.45664.stgit@gklab-128-013.igk.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110314140052.20478.45664.stgit@gklab-128-013.igk.intel.com> Sender: linux-raid-owner@vger.kernel.org To: neilb@suse.de Cc: linux-raid@vger.kernel.org, dan.j.williams@intel.com, ed.ciechanowski@intel.com, wojciech.neubauer@intel.com List-Id: linux-raid.ids Add metadata rollback function implementation/placeholder for imsm metadata. Signed-off-by: Adam Kwolek --- super-intel.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/super-intel.c b/super-intel.c index 44c100b..2c2bd1e 100644 --- a/super-intel.c +++ b/super-intel.c @@ -7364,6 +7364,20 @@ static int imsm_manage_reshape( afd, sra, reshape, st, stripes, fds, offsets, dests, destfd, destoffsets); } + +/* imsm metadata rollback handler, manage metadata for error scenario + */ +static int imsm_abort_metadata_changes(struct supertype *st) +{ + int ret_val = -1; + + dprintf("imsm: imsm_abort_metadata_changes() called\n"); + + /* ToDo: when possible, prepare rollback metadata update + */ + + return ret_val; +} #endif /* MDASSEMBLE */ struct superswitch super_imsm = { @@ -7386,6 +7400,7 @@ struct superswitch super_imsm = { .get_disk_controller_domain = imsm_get_disk_controller_domain, .reshape_super = imsm_reshape_super, .manage_reshape = imsm_manage_reshape, + .abort_metadata_changes = imsm_abort_metadata_changes, #endif .match_home = match_home_imsm, .uuid_from_super= uuid_from_super_imsm,