1 // there must be a better way?
6 #include "include/int_types.h"
11 #include "include/ceph_fs.h"
14 static const struct sm_state_t simplelock[LOCK_MAX] = {
15 // stable loner rep state r rp rd wr fwr l x caps,other
16 [LOCK_SYNC] = { 0, false, LOCK_SYNC, ANY, 0, ANY, 0, 0, ANY, 0, CEPH_CAP_GSHARED,0,0,CEPH_CAP_GSHARED },
17 [LOCK_LOCK_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, ANY, XCL, XCL, 0, 0, XCL, 0, 0,0,0,0 },
18 [LOCK_EXCL_SYNC] = { LOCK_SYNC, true, LOCK_LOCK, 0, 0, 0, 0, XCL, 0, 0, 0,CEPH_CAP_GSHARED,0,0 },
19 [LOCK_SNAP_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, 0, 0, 0, 0, AUTH,0, 0, 0,0,0,0 },
21 [LOCK_LOCK] = { 0, false, LOCK_LOCK, AUTH, 0, REQ, 0, 0, 0, 0, 0,0,0,0 },
22 [LOCK_SYNC_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, ANY, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
23 [LOCK_EXCL_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, XCL, 0, 0, 0,0,0,0 },
25 [LOCK_PREXLOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, ANY, 0,0,0,0 },
26 [LOCK_XLOCK] = { LOCK_SYNC, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, 0, 0,0,0,0 },
27 [LOCK_XLOCKDONE] = { LOCK_SYNC, false, LOCK_LOCK, XCL, XCL, XCL, 0, 0, XCL, 0, 0,0,CEPH_CAP_GSHARED,0 },
28 [LOCK_LOCK_XLOCK]= { LOCK_PREXLOCK,false,LOCK_LOCK,0, XCL, 0, 0, 0, 0, XCL, 0,0,0,0 },
30 [LOCK_EXCL] = { 0, true, LOCK_LOCK, 0, 0, REQ, XCL, 0, 0, 0, 0,CEPH_CAP_GEXCL|CEPH_CAP_GSHARED,0,0 },
31 [LOCK_SYNC_EXCL] = { LOCK_EXCL, true, LOCK_LOCK, ANY, 0, 0, 0, 0, 0, 0, 0,CEPH_CAP_GSHARED,0,0 },
32 [LOCK_LOCK_EXCL] = { LOCK_EXCL, false, LOCK_LOCK, ANY, 0, 0, 0, 0, 0, 0, CEPH_CAP_GSHARED,0,0,0 },
34 [LOCK_REMOTEXLOCK]={ LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
38 const struct sm_t sm_simplelock = {
40 .allowed_ever_auth = CEPH_CAP_GSHARED | CEPH_CAP_GEXCL,
41 .allowed_ever_replica = CEPH_CAP_GSHARED,
42 .careful = CEPH_CAP_GSHARED | CEPH_CAP_GEXCL,
43 .can_remote_xlock = 1,
47 // lock state machine states:
48 // Sync -- Lock -- sCatter
52 static const struct sm_state_t scatterlock[LOCK_MAX] = {
53 // stable loner rep state r rp rd wr fwr l x caps,other
54 [LOCK_SYNC] = { 0, false, LOCK_SYNC, ANY, 0, ANY, 0, 0, ANY, 0, CEPH_CAP_GSHARED,0,0,CEPH_CAP_GSHARED },
55 [LOCK_LOCK_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, AUTH, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
56 [LOCK_MIX_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
57 [LOCK_SNAP_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, 0, 0, 0, 0, AUTH,0, 0, 0,0,0,0 },
59 [LOCK_LOCK] = { 0, false, LOCK_LOCK, AUTH, 0, REQ, AUTH,0, 0, ANY, 0,0,0,0 },
60 [LOCK_SYNC_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, AUTH, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
61 [LOCK_MIX_LOCK] = { LOCK_LOCK, false, LOCK_MIX, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
62 [LOCK_MIX_LOCK2] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
63 [LOCK_TSYN_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
65 [LOCK_TSYN] = { 0, false, LOCK_LOCK, AUTH, 0, AUTH,0, 0, 0, 0, 0,0,0,0 },
66 [LOCK_LOCK_TSYN] = { LOCK_TSYN, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
67 [LOCK_MIX_TSYN] = { LOCK_TSYN, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
69 [LOCK_MIX] = { 0, false, LOCK_MIX, 0, 0, REQ, ANY, 0, 0, 0, 0,0,0,0 },
70 [LOCK_TSYN_MIX] = { LOCK_MIX, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
71 [LOCK_SYNC_MIX] = { LOCK_MIX, false, LOCK_SYNC_MIX2,0,0, 0, 0, 0, 0, 0, 0,0,0,0 },
72 [LOCK_SYNC_MIX2] = { LOCK_MIX, false, 0, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
75 const struct sm_t sm_scatterlock = {
76 .states = scatterlock,
77 .allowed_ever_auth = CEPH_CAP_GSHARED | CEPH_CAP_GEXCL,
78 .allowed_ever_replica = CEPH_CAP_GSHARED,
79 .careful = CEPH_CAP_GSHARED | CEPH_CAP_GEXCL,
80 .can_remote_xlock = 0,
83 const struct sm_state_t filelock[LOCK_MAX] = {
84 // stable loner rep state r rp rd wr fwr l x caps(any,loner,xlocker,replica)
85 [LOCK_SYNC] = { 0, false, LOCK_SYNC, ANY, 0, ANY, 0, 0, ANY, 0, CEPH_CAP_GSHARED|CEPH_CAP_GCACHE|CEPH_CAP_GRD,0,0,CEPH_CAP_GSHARED|CEPH_CAP_GCACHE|CEPH_CAP_GRD },
86 [LOCK_LOCK_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, AUTH, 0, 0, 0, 0, 0, 0, CEPH_CAP_GCACHE,0,0,0 },
87 [LOCK_EXCL_SYNC] = { LOCK_SYNC, true, LOCK_LOCK, 0, 0, 0, 0, XCL, 0, 0, 0,CEPH_CAP_GSHARED|CEPH_CAP_GCACHE|CEPH_CAP_GRD,0,0 },
88 [LOCK_MIX_SYNC] = { LOCK_SYNC, false, LOCK_MIX_SYNC2,0,0, 0, 0, 0, 0, 0, CEPH_CAP_GRD|CEPH_CAP_GLAZYIO,0,0,CEPH_CAP_GRD },
89 [LOCK_MIX_SYNC2] = { LOCK_SYNC, false, 0, 0, 0, 0, 0, 0, 0, 0, CEPH_CAP_GRD|CEPH_CAP_GLAZYIO,0,0,CEPH_CAP_GRD },
90 [LOCK_SNAP_SYNC] = { LOCK_SYNC, false, LOCK_LOCK, 0, 0, 0, 0, AUTH,0, 0, 0,0,0,0 },
91 [LOCK_XSYN_SYNC] = { LOCK_SYNC, true, LOCK_LOCK, AUTH, 0, AUTH,0, 0, 0, 0, 0,CEPH_CAP_GCACHE,0,0 },
93 [LOCK_LOCK] = { 0, false, LOCK_LOCK, AUTH, 0, REQ, AUTH,0, 0, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 },
94 [LOCK_SYNC_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, AUTH, 0, REQ, 0, 0, 0, 0, CEPH_CAP_GCACHE,0,0,0 },
95 [LOCK_EXCL_LOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, XCL, 0, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 },
96 [LOCK_MIX_LOCK] = { LOCK_LOCK, false, LOCK_MIX, AUTH, 0, REQ, 0, 0, 0, 0, 0,0,0,0 },
97 [LOCK_MIX_LOCK2] = { LOCK_LOCK, false, LOCK_LOCK, AUTH, 0, REQ, 0, 0, 0, 0, 0,0,0,0 },
99 [LOCK_PREXLOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, ANY, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 },
100 [LOCK_XLOCK] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 },
101 [LOCK_XLOCKDONE] = { LOCK_LOCK, false, LOCK_LOCK, XCL, XCL, XCL, 0, 0, XCL, 0, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,CEPH_CAP_GSHARED,0 },
102 [LOCK_XLOCKSNAP] = { LOCK_LOCK, false, LOCK_LOCK, 0, XCL, 0, 0, 0, 0, 0, CEPH_CAP_GCACHE,0,0,0 },
103 [LOCK_LOCK_XLOCK]= { LOCK_PREXLOCK,false,LOCK_LOCK,0, XCL, 0, 0, 0, 0, XCL, CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0,0 },
105 [LOCK_MIX] = { 0, false, LOCK_MIX, 0, 0, REQ, ANY, 0, 0, 0, CEPH_CAP_GRD|CEPH_CAP_GWR|CEPH_CAP_GLAZYIO,0,0,CEPH_CAP_GRD },
106 [LOCK_SYNC_MIX] = { LOCK_MIX, false, LOCK_SYNC_MIX2,ANY,0, 0, 0, 0, 0, 0, CEPH_CAP_GRD|CEPH_CAP_GLAZYIO,0,0,CEPH_CAP_GRD },
107 [LOCK_SYNC_MIX2] = { LOCK_MIX, false, 0, 0, 0, 0, 0, 0, 0, 0, CEPH_CAP_GRD|CEPH_CAP_GLAZYIO,0,0,CEPH_CAP_GRD },
108 [LOCK_EXCL_MIX] = { LOCK_MIX, true, LOCK_LOCK, 0, 0, 0, XCL, 0, 0, 0, 0,CEPH_CAP_GRD|CEPH_CAP_GWR|CEPH_CAP_GLAZYIO,0,0 },
110 [LOCK_EXCL] = { 0, true, LOCK_LOCK, 0, 0, XCL, XCL, 0, 0, 0, 0,CEPH_CAP_GSHARED|CEPH_CAP_GEXCL|CEPH_CAP_GCACHE|CEPH_CAP_GRD|CEPH_CAP_GWR|CEPH_CAP_GBUFFER|CEPH_CAP_GLAZYIO,0,0 },
111 [LOCK_SYNC_EXCL] = { LOCK_EXCL, true, LOCK_LOCK, AUTH, 0, 0, 0, 0, 0, 0, 0,CEPH_CAP_GSHARED|CEPH_CAP_GCACHE|CEPH_CAP_GRD,0,0 },
112 [LOCK_MIX_EXCL] = { LOCK_EXCL, true, LOCK_LOCK, 0, 0, 0, XCL, 0, 0, 0, 0,CEPH_CAP_GRD|CEPH_CAP_GWR|CEPH_CAP_GLAZYIO,0,0 },
113 [LOCK_LOCK_EXCL] = { LOCK_EXCL, true, LOCK_LOCK, AUTH, 0, 0, 0, 0, 0, 0, 0,CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0 },
114 [LOCK_XSYN_EXCL] = { LOCK_EXCL, true, LOCK_LOCK, AUTH, 0, XCL, 0, 0, 0, 0, 0,CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0 },
116 [LOCK_XSYN] = { 0, true, LOCK_LOCK, AUTH, AUTH,AUTH,XCL, 0, 0, 0, 0,CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0 },
117 [LOCK_EXCL_XSYN] = { LOCK_XSYN, false, LOCK_LOCK, 0, 0, XCL, 0, 0, 0, 0, 0,CEPH_CAP_GCACHE|CEPH_CAP_GBUFFER,0,0 },
119 [LOCK_PRE_SCAN] = { LOCK_SCAN, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
120 [LOCK_SCAN] = { LOCK_LOCK, false, LOCK_LOCK, 0, 0, 0, 0, 0, 0, 0, 0,0,0,0 },
123 const struct sm_t sm_filelock = {
125 .allowed_ever_auth = (CEPH_CAP_GSHARED |
133 .allowed_ever_replica = (CEPH_CAP_GSHARED |
137 .careful = (CEPH_CAP_GSHARED |
141 .can_remote_xlock = 0,
145 const struct sm_state_t locallock[LOCK_MAX] = {
146 // stable loner rep state r rp rd wr fwr l x caps(any,loner,xlocker,replica)
147 [LOCK_LOCK] = { 0, false, LOCK_LOCK, ANY, 0, ANY, 0, 0, ANY, AUTH,0,0,0,0 },
150 const struct sm_t sm_locallock = {
152 .allowed_ever_auth = 0,
153 .allowed_ever_replica = 0,
155 .can_remote_xlock = 0,