summaryrefslogtreecommitdiffstats
path: root/fs/ceph/crush/hash.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-04-07 08:53:30 +0200
committerDavid S. Miller <davem@davemloft.net>2010-04-07 08:53:30 +0200
commit4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch)
tree9b75f5d5636004d9a9aa496924377379be09aa1f /fs/ceph/crush/hash.h
parentNET: usb: Adding URB_ZERO_PACKET flag to usbnet.c (diff)
parentsmc91c92_cs: fix the problem of "Unable to find hardware address" (diff)
downloadlinux-4a35ecf8bf1c4b039503fa554100fe85c761de76.tar.xz
linux-4a35ecf8bf1c4b039503fa554100fe85c761de76.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bonding/bond_main.c drivers/net/via-velocity.c drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'fs/ceph/crush/hash.h')
-rw-r--r--fs/ceph/crush/hash.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/ceph/crush/hash.h b/fs/ceph/crush/hash.h
new file mode 100644
index 000000000000..ff48e110e4bb
--- /dev/null
+++ b/fs/ceph/crush/hash.h
@@ -0,0 +1,17 @@
+#ifndef _CRUSH_HASH_H
+#define _CRUSH_HASH_H
+
+#define CRUSH_HASH_RJENKINS1 0
+
+#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
+
+extern const char *crush_hash_name(int type);
+
+extern __u32 crush_hash32(int type, __u32 a);
+extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
+extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
+extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
+extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
+ __u32 e);
+
+#endif