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-rw-r--r--fs/super.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index e9dc3c3..48377f7 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -800,7 +800,10 @@ void emergency_remount(void)
static DEFINE_IDA(unnamed_dev_ida);
static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
-static int unnamed_dev_start = 0; /* don't bother trying below it */
+/* Many userspace utilities consider an FSID of 0 invalid.
+ * Always return at least 1 from get_anon_bdev.
+ */
+static int unnamed_dev_start = 1;
int get_anon_bdev(dev_t *p)
{