From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Kwolek Subject: [PATCH 4/7] Add block_subarray() Date: Tue, 01 Mar 2011 15:57:15 +0100 Message-ID: <20110301145715.10678.25012.stgit@gklab-128-013.igk.intel.com> References: <20110301144932.10678.20916.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: <20110301144932.10678.20916.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 Put code for blocking subarray in to separate function. This little code/function will be used for blocking arrays from mdmon monitoring during assembly process. Arrays cannot wait for container assembly finish, because meanwhile monitor can enable arrays for writing. Signed-off-by: Adam Kwolek --- msg.c | 16 +++++++++++++--- 1 files changed, 13 insertions(+), 3 deletions(-) diff --git a/msg.c b/msg.c index 76e74e7..ce2ce00 100644 --- a/msg.c +++ b/msg.c @@ -255,6 +255,18 @@ static int unblock_subarray(struct mdinfo *sra, const int unfreeze) return rc; } +int block_subarray(struct mdinfo *sra) +{ + char buf[64]; + int rc = 0; + + sprintf(buf, "external:%s\n", sra->text_version); + buf[9] = '-'; + if (sysfs_set_str(sra, NULL, "metadata_version", buf)) + rc = -1; + + return rc; +} /** * block_monitor - prevent mdmon spare assignment * @container - container to block @@ -334,9 +346,7 @@ int block_monitor(char *container, const int freeze) * takeover in reshape case and spare reassignment in the * auto-rebuild case) */ - sprintf(buf, "external:%s\n", sra->text_version); - buf[9] = '-'; - if (sysfs_set_str(sra, NULL, "metadata_version", buf)) + if (block_subarray(sra)) break; ping_monitor(container);