diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2012-06-21 23:36:15 -0700 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2012-10-07 23:38:01 +0200 |
| commit | 4b6a4ff5b8ef014109479e217fe1bd56b0a2b425 (patch) | |
| tree | b120f33092be12bd7ab8bf3fc3db6c14e58f2887 /drivers | |
| parent | 74b9a48f5709e2c0330d14c06977c36cc7f4b4a9 (diff) | |
SCSI: libsas: continue revalidation
commit 26f2f199ff150d8876b2641c41e60d1c92d2fb81 upstream.
Continue running revalidation until no more broadcast devices are
discovered. Fixes cases where re-discovery completes too early in a
domain with multiple expanders with pending re-discovery events.
Servicing BCNs can get backed up behind error recovery.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index b10ee2a3b70e..bac091d3ac88 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1946,9 +1946,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) struct domain_device *dev = NULL; res = sas_find_bcast_dev(port_dev, &dev); - if (res) - goto out; - if (dev) { + while (res == 0 && dev) { struct expander_device *ex = &dev->ex_dev; int i = 0, phy_id; @@ -1960,8 +1958,10 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev) res = sas_rediscover(dev, phy_id); i = phy_id + 1; } while (i < ex->num_phys); + + dev = NULL; + res = sas_find_bcast_dev(port_dev, &dev); } -out: return res; } |