diff options
Diffstat (limited to 'fs/ocfs2/dlmglue.c')
-rw-r--r-- | fs/ocfs2/dlmglue.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 7e36abea8f40..ecf58c6e2fa3 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c | |||
@@ -232,12 +232,6 @@ static struct ocfs2_lock_res_ops ocfs2_inode_meta_lops = { | |||
232 | .flags = LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB, | 232 | .flags = LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB, |
233 | }; | 233 | }; |
234 | 234 | ||
235 | static struct ocfs2_lock_res_ops ocfs2_inode_data_lops = { | ||
236 | .get_osb = ocfs2_get_inode_osb, | ||
237 | .downconvert_worker = ocfs2_data_convert_worker, | ||
238 | .flags = 0, | ||
239 | }; | ||
240 | |||
241 | static struct ocfs2_lock_res_ops ocfs2_super_lops = { | 235 | static struct ocfs2_lock_res_ops ocfs2_super_lops = { |
242 | .flags = LOCK_TYPE_REQUIRES_REFRESH, | 236 | .flags = LOCK_TYPE_REQUIRES_REFRESH, |
243 | }; | 237 | }; |
@@ -261,7 +255,6 @@ static struct ocfs2_lock_res_ops ocfs2_inode_open_lops = { | |||
261 | static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres) | 255 | static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres) |
262 | { | 256 | { |
263 | return lockres->l_type == OCFS2_LOCK_TYPE_META || | 257 | return lockres->l_type == OCFS2_LOCK_TYPE_META || |
264 | lockres->l_type == OCFS2_LOCK_TYPE_DATA || | ||
265 | lockres->l_type == OCFS2_LOCK_TYPE_RW || | 258 | lockres->l_type == OCFS2_LOCK_TYPE_RW || |
266 | lockres->l_type == OCFS2_LOCK_TYPE_OPEN; | 259 | lockres->l_type == OCFS2_LOCK_TYPE_OPEN; |
267 | } | 260 | } |
@@ -405,9 +398,6 @@ void ocfs2_inode_lock_res_init(struct ocfs2_lock_res *res, | |||
405 | case OCFS2_LOCK_TYPE_META: | 398 | case OCFS2_LOCK_TYPE_META: |
406 | ops = &ocfs2_inode_meta_lops; | 399 | ops = &ocfs2_inode_meta_lops; |
407 | break; | 400 | break; |
408 | case OCFS2_LOCK_TYPE_DATA: | ||
409 | ops = &ocfs2_inode_data_lops; | ||
410 | break; | ||
411 | case OCFS2_LOCK_TYPE_OPEN: | 401 | case OCFS2_LOCK_TYPE_OPEN: |
412 | ops = &ocfs2_inode_open_lops; | 402 | ops = &ocfs2_inode_open_lops; |
413 | break; | 403 | break; |
@@ -1154,12 +1144,6 @@ int ocfs2_create_new_inode_locks(struct inode *inode) | |||
1154 | goto bail; | 1144 | goto bail; |
1155 | } | 1145 | } |
1156 | 1146 | ||
1157 | ret = ocfs2_create_new_lock(osb, &OCFS2_I(inode)->ip_data_lockres, 1, 1); | ||
1158 | if (ret) { | ||
1159 | mlog_errno(ret); | ||
1160 | goto bail; | ||
1161 | } | ||
1162 | |||
1163 | ret = ocfs2_create_new_lock(osb, &OCFS2_I(inode)->ip_open_lockres, 0, 0); | 1147 | ret = ocfs2_create_new_lock(osb, &OCFS2_I(inode)->ip_open_lockres, 0, 0); |
1164 | if (ret) { | 1148 | if (ret) { |
1165 | mlog_errno(ret); | 1149 | mlog_errno(ret); |
@@ -1312,67 +1296,6 @@ out: | |||
1312 | mlog_exit_void(); | 1296 | mlog_exit_void(); |
1313 | } | 1297 | } |
1314 | 1298 | ||
1315 | int ocfs2_data_lock_full(struct inode *inode, | ||
1316 | int write, | ||
1317 | int arg_flags) | ||
1318 | { | ||
1319 | int status = 0, level; | ||
1320 | struct ocfs2_lock_res *lockres; | ||
1321 | struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); | ||
1322 | |||
1323 | BUG_ON(!inode); | ||
1324 | |||
1325 | mlog_entry_void(); | ||
1326 | |||
1327 | mlog(0, "inode %llu take %s DATA lock\n", | ||
1328 | (unsigned long long)OCFS2_I(inode)->ip_blkno, | ||
1329 | write ? "EXMODE" : "PRMODE"); | ||
1330 | |||
1331 | /* We'll allow faking a readonly data lock for | ||
1332 | * rodevices. */ | ||
1333 | if (ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb))) { | ||
1334 | if (write) { | ||
1335 | status = -EROFS; | ||
1336 | mlog_errno(status); | ||
1337 | } | ||
1338 | goto out; | ||
1339 | } | ||
1340 | |||
1341 | if (ocfs2_mount_local(osb)) | ||
1342 | goto out; | ||
1343 | |||
1344 | lockres = &OCFS2_I(inode)->ip_data_lockres; | ||
1345 | |||
1346 | level = write ? LKM_EXMODE : LKM_PRMODE; | ||
1347 | |||
1348 | status = ocfs2_cluster_lock(OCFS2_SB(inode->i_sb), lockres, level, | ||
1349 | 0, arg_flags); | ||
1350 | if (status < 0 && status != -EAGAIN) | ||
1351 | mlog_errno(status); | ||
1352 | |||
1353 | out: | ||
1354 | mlog_exit(status); | ||
1355 | return status; | ||
1356 | } | ||
1357 | |||
1358 | /* see ocfs2_meta_lock_with_page() */ | ||
1359 | int ocfs2_data_lock_with_page(struct inode *inode, | ||
1360 | int write, | ||
1361 | struct page *page) | ||
1362 | { | ||
1363 | int ret; | ||
1364 | |||
1365 | ret = ocfs2_data_lock_full(inode, write, OCFS2_LOCK_NONBLOCK); | ||
1366 | if (ret == -EAGAIN) { | ||
1367 | unlock_page(page); | ||
1368 | if (ocfs2_data_lock(inode, write) == 0) | ||
1369 | ocfs2_data_unlock(inode, write); | ||
1370 | ret = AOP_TRUNCATED_PAGE; | ||
1371 | } | ||
1372 | |||
1373 | return ret; | ||
1374 | } | ||
1375 | |||
1376 | static void ocfs2_downconvert_on_unlock(struct ocfs2_super *osb, | 1299 | static void ocfs2_downconvert_on_unlock(struct ocfs2_super *osb, |
1377 | struct ocfs2_lock_res *lockres) | 1300 | struct ocfs2_lock_res *lockres) |
1378 | { | 1301 | { |
@@ -1404,26 +1327,6 @@ static void ocfs2_downconvert_on_unlock(struct ocfs2_super *osb, | |||
1404 | mlog_exit_void(); | 1327 | mlog_exit_void(); |
1405 | } | 1328 | } |
1406 | 1329 | ||
1407 | void ocfs2_data_unlock(struct inode *inode, | ||
1408 | int write) | ||
1409 | { | ||
1410 | int level = write ? LKM_EXMODE : LKM_PRMODE; | ||
1411 | struct ocfs2_lock_res *lockres = &OCFS2_I(inode)->ip_data_lockres; | ||
1412 | struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); | ||
1413 | |||
1414 | mlog_entry_void(); | ||
1415 | |||
1416 | mlog(0, "inode %llu drop %s DATA lock\n", | ||
1417 | (unsigned long long)OCFS2_I(inode)->ip_blkno, | ||
1418 | write ? "EXMODE" : "PRMODE"); | ||
1419 | |||
1420 | if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)) && | ||
1421 | !ocfs2_mount_local(osb)) | ||
1422 | ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level); | ||
1423 | |||
1424 | mlog_exit_void(); | ||
1425 | } | ||
1426 | |||
1427 | #define OCFS2_SEC_BITS 34 | 1330 | #define OCFS2_SEC_BITS 34 |
1428 | #define OCFS2_SEC_SHIFT (64 - 34) | 1331 | #define OCFS2_SEC_SHIFT (64 - 34) |
1429 | #define OCFS2_NSEC_MASK ((1ULL << OCFS2_SEC_SHIFT) - 1) | 1332 | #define OCFS2_NSEC_MASK ((1ULL << OCFS2_SEC_SHIFT) - 1) |
@@ -2592,13 +2495,6 @@ int ocfs2_drop_inode_locks(struct inode *inode) | |||
2592 | status = err; | 2495 | status = err; |
2593 | 2496 | ||
2594 | err = ocfs2_drop_lock(OCFS2_SB(inode->i_sb), | 2497 | err = ocfs2_drop_lock(OCFS2_SB(inode->i_sb), |
2595 | &OCFS2_I(inode)->ip_data_lockres); | ||
2596 | if (err < 0) | ||
2597 | mlog_errno(err); | ||
2598 | if (err < 0 && !status) | ||
2599 | status = err; | ||
2600 | |||
2601 | err = ocfs2_drop_lock(OCFS2_SB(inode->i_sb), | ||
2602 | &OCFS2_I(inode)->ip_meta_lockres); | 2498 | &OCFS2_I(inode)->ip_meta_lockres); |
2603 | if (err < 0) | 2499 | if (err < 0) |
2604 | mlog_errno(err); | 2500 | mlog_errno(err); |