From: Jonathan Brassow Date: Thu, 13 Jan 2011 19:59:49 +0000 (+0000) Subject: dm log userspace: trap all failed log construction errors X-Git-Tag: v2.6.38-rc1~221^2~24 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a038677df4da84e42fd68b5ab2dfa4d82baa444;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git dm log userspace: trap all failed log construction errors When constructing a mirror log, it is possible for the initial request to fail for other reasons besides -ESRCH. These must be handled too. Signed-off-by: Jonathan Brassow Signed-off-by: Mike Snitzer Signed-off-by: Alasdair G Kergon --- diff --git a/drivers/md/dm-log-userspace-base.c b/drivers/md/dm-log-userspace-base.c index 1ed0094..1c25ad3 100644 --- a/drivers/md/dm-log-userspace-base.c +++ b/drivers/md/dm-log-userspace-base.c @@ -181,8 +181,11 @@ static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti, r = dm_consult_userspace(lc->uuid, lc->luid, DM_ULOG_CTR, ctr_str, str_size, NULL, NULL); - if (r == -ESRCH) { - DMERR("Userspace log server not found"); + if (r < 0) { + if (r == -ESRCH) + DMERR("Userspace log server not found"); + else + DMERR("Userspace log server failed to create log"); goto out; } @@ -214,10 +217,9 @@ out: static void userspace_dtr(struct dm_dirty_log *log) { - int r; struct log_c *lc = log->context; - r = dm_consult_userspace(lc->uuid, lc->luid, DM_ULOG_DTR, + (void) dm_consult_userspace(lc->uuid, lc->luid, DM_ULOG_DTR, NULL, 0, NULL, NULL);