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-rw-r--r--fs/ceph/ceph_frag.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/ceph/ceph_frag.c b/fs/ceph/ceph_frag.c
new file mode 100644
index 000000000000..ab6cf35c4091
--- /dev/null
+++ b/fs/ceph/ceph_frag.c
@@ -0,0 +1,21 @@
1/*
2 * Ceph 'frag' type
3 */
4#include "types.h"
5
6int ceph_frag_compare(__u32 a, __u32 b)
7{
8 unsigned va = ceph_frag_value(a);
9 unsigned vb = ceph_frag_value(b);
10 if (va < vb)
11 return -1;
12 if (va > vb)
13 return 1;
14 va = ceph_frag_bits(a);
15 vb = ceph_frag_bits(b);
16 if (va < vb)
17 return -1;
18 if (va > vb)
19 return 1;
20 return 0;
21}