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dm log userspace: trap all failed log construction errors

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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 <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Jonathan Brassow
2011-01-13 19:59:49 +00:00
committed by Alasdair G Kergon
parent 69a8cfcda2
commit 4a038677df
1 changed files with 6 additions and 4 deletions
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10
drivers/md/dm-log-userspace-base.c
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@@ -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, r = dm_consult_userspace(lc->uuid, lc->luid, DM_ULOG_CTR,
ctr_str, str_size, NULL, NULL); ctr_str, str_size, NULL, NULL);
if (r == -ESRCH) { if (r < 0) {
DMERR("Userspace log server not found"); if (r == -ESRCH)
DMERR("Userspace log server not found");
else
DMERR("Userspace log server failed to create log");
goto out; goto out;
} }
@@ -214,10 +217,9 @@ out:
static void userspace_dtr(struct dm_dirty_log *log) static void userspace_dtr(struct dm_dirty_log *log)
{ {
int r;
struct log_c *lc = log->context; 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, 0,
NULL, NULL); NULL, NULL);