[dm-devel] [PATCH 30/30] libmultipath: read path state directly from sysfs
Hannes Reinecke
hare at suse.de
Tue Jul 16 07:13:21 UTC 2013
The 'state' attribute of a SCSI device might change without
generating any udev events, so we need to read it directly
from sysfs.
Signed-off-by: Hannes Reinecke <hare at suse.de>
---
libmultipath/discovery.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index e2b4f56..7035a43 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -168,7 +168,6 @@ declare_sysfs_get_str(cutype);
declare_sysfs_get_str(vendor);
declare_sysfs_get_str(model);
declare_sysfs_get_str(rev);
-declare_sysfs_get_str(state);
declare_sysfs_get_str(dev);
int
@@ -854,7 +853,8 @@ path_offline (struct path * pp)
return PATH_DOWN;
}
- if (sysfs_get_state(parent, buff, SCSI_STATE_SIZE))
+ memset(buff, 0x0, SCSI_STATE_SIZE);
+ if (sysfs_attr_get_value(parent, "state", buff, SCSI_STATE_SIZE) <= 0)
return PATH_DOWN;
condlog(3, "%s: path state = %s", pp->dev, buff);
--
1.7.12.4
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