[PATCH 3/3] Use fsid from statfs for UUID if blkid can't cope (or not used)

[David Woodhouse <dwmw2@xxxxxxxxxxxxx>]

Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
---
 utils/mountd/cache.c |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index 0136eca..f29b885 100644
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -213,8 +213,17 @@ int get_uuid(char *path, char *uuid, int uuidlen, char *u)
 
 	if (path) {
 		val = get_uuid_blkdev(path);
-		if (!val)
-			return 0;
+		if (!val) {
+			struct statfs64 st;
+
+			if (statfs64(path, &st))
+				return 0;
+			if (!st.f_fsid.__val[0] && !st.f_fsid.__val[1])
+				return 0;
+			snprintf(fsid_val, 17, "%08x%08x",
+				 st.f_fsid.__val[0], st.f_fsid.__val[1]);
+			val = fsid_val;
+		}
 	} else {
 		val = uuid;
 	}
-- 
1.5.5.1


-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@xxxxxxxxx                              Intel Corporation



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