diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/lockdep.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 32f944752b18..dd4716c08325 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c | |||
@@ -458,8 +458,8 @@ static const char *usage_str[] = | |||
458 | [LOCK_ENABLED_HARDIRQ_READ] = "hardirq-on-R", | 458 | [LOCK_ENABLED_HARDIRQ_READ] = "hardirq-on-R", |
459 | [LOCK_USED_IN_RECLAIM_FS] = "in-reclaim-W", | 459 | [LOCK_USED_IN_RECLAIM_FS] = "in-reclaim-W", |
460 | [LOCK_USED_IN_RECLAIM_FS_READ] = "in-reclaim-R", | 460 | [LOCK_USED_IN_RECLAIM_FS_READ] = "in-reclaim-R", |
461 | [LOCK_HELD_OVER_RECLAIM_FS] = "ov-reclaim-W", | 461 | [LOCK_ENABLED_RECLAIM_FS] = "ov-reclaim-W", |
462 | [LOCK_HELD_OVER_RECLAIM_FS_READ] = "ov-reclaim-R", | 462 | [LOCK_ENABLED_RECLAIM_FS_READ] = "ov-reclaim-R", |
463 | }; | 463 | }; |
464 | 464 | ||
465 | const char * __get_key_name(struct lockdep_subclass_key *key, char *str) | 465 | const char * __get_key_name(struct lockdep_subclass_key *key, char *str) |
@@ -504,14 +504,14 @@ get_usage_chars(struct lock_class *class, char *c1, char *c2, char *c3, | |||
504 | if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS) | 504 | if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS) |
505 | *c5 = '+'; | 505 | *c5 = '+'; |
506 | else | 506 | else |
507 | if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS) | 507 | if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS) |
508 | *c5 = '-'; | 508 | *c5 = '-'; |
509 | 509 | ||
510 | if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS_READ) | 510 | if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS_READ) |
511 | *c6 = '-'; | 511 | *c6 = '-'; |
512 | if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS_READ) { | 512 | if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS_READ) { |
513 | *c6 = '+'; | 513 | *c6 = '+'; |
514 | if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS_READ) | 514 | if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS_READ) |
515 | *c6 = '?'; | 515 | *c6 = '?'; |
516 | } | 516 | } |
517 | 517 | ||
@@ -1335,7 +1335,7 @@ check_prev_add_irq(struct task_struct *curr, struct held_lock *prev, | |||
1335 | * forwards-subgraph starting at <next>: | 1335 | * forwards-subgraph starting at <next>: |
1336 | */ | 1336 | */ |
1337 | if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS, | 1337 | if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS, |
1338 | LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) | 1338 | LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) |
1339 | return 0; | 1339 | return 0; |
1340 | 1340 | ||
1341 | /* | 1341 | /* |
@@ -1345,7 +1345,7 @@ check_prev_add_irq(struct task_struct *curr, struct held_lock *prev, | |||
1345 | * forwards-subgraph starting at <next>: | 1345 | * forwards-subgraph starting at <next>: |
1346 | */ | 1346 | */ |
1347 | if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS_READ, | 1347 | if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS_READ, |
1348 | LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs-read")) | 1348 | LOCK_ENABLED_RECLAIM_FS, "reclaim-fs-read")) |
1349 | return 0; | 1349 | return 0; |
1350 | 1350 | ||
1351 | return 1; | 1351 | return 1; |
@@ -2058,17 +2058,17 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, | |||
2058 | ret = 2; | 2058 | ret = 2; |
2059 | break; | 2059 | break; |
2060 | case LOCK_USED_IN_RECLAIM_FS: | 2060 | case LOCK_USED_IN_RECLAIM_FS: |
2061 | if (!valid_state(curr, this, new_bit, LOCK_HELD_OVER_RECLAIM_FS)) | 2061 | if (!valid_state(curr, this, new_bit, LOCK_ENABLED_RECLAIM_FS)) |
2062 | return 0; | 2062 | return 0; |
2063 | if (!valid_state(curr, this, new_bit, | 2063 | if (!valid_state(curr, this, new_bit, |
2064 | LOCK_HELD_OVER_RECLAIM_FS_READ)) | 2064 | LOCK_ENABLED_RECLAIM_FS_READ)) |
2065 | return 0; | 2065 | return 0; |
2066 | /* | 2066 | /* |
2067 | * just marked it reclaim-fs-safe, check that this lock | 2067 | * just marked it reclaim-fs-safe, check that this lock |
2068 | * took no reclaim-fs-unsafe lock in the past: | 2068 | * took no reclaim-fs-unsafe lock in the past: |
2069 | */ | 2069 | */ |
2070 | if (!check_usage_forwards(curr, this, | 2070 | if (!check_usage_forwards(curr, this, |
2071 | LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) | 2071 | LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) |
2072 | return 0; | 2072 | return 0; |
2073 | #if STRICT_READ_CHECKS | 2073 | #if STRICT_READ_CHECKS |
2074 | /* | 2074 | /* |
@@ -2076,7 +2076,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, | |||
2076 | * took no reclaim-fs-unsafe-read lock in the past: | 2076 | * took no reclaim-fs-unsafe-read lock in the past: |
2077 | */ | 2077 | */ |
2078 | if (!check_usage_forwards(curr, this, | 2078 | if (!check_usage_forwards(curr, this, |
2079 | LOCK_HELD_OVER_RECLAIM_FS_READ, "reclaim-fs-read")) | 2079 | LOCK_ENABLED_RECLAIM_FS_READ, "reclaim-fs-read")) |
2080 | return 0; | 2080 | return 0; |
2081 | #endif | 2081 | #endif |
2082 | if (reclaim_verbose(hlock_class(this))) | 2082 | if (reclaim_verbose(hlock_class(this))) |
@@ -2109,14 +2109,14 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, | |||
2109 | ret = 2; | 2109 | ret = 2; |
2110 | break; | 2110 | break; |
2111 | case LOCK_USED_IN_RECLAIM_FS_READ: | 2111 | case LOCK_USED_IN_RECLAIM_FS_READ: |
2112 | if (!valid_state(curr, this, new_bit, LOCK_HELD_OVER_RECLAIM_FS)) | 2112 | if (!valid_state(curr, this, new_bit, LOCK_ENABLED_RECLAIM_FS)) |
2113 | return 0; | 2113 | return 0; |
2114 | /* | 2114 | /* |
2115 | * just marked it reclaim-fs-read-safe, check that this lock | 2115 | * just marked it reclaim-fs-read-safe, check that this lock |
2116 | * took no reclaim-fs-unsafe lock in the past: | 2116 | * took no reclaim-fs-unsafe lock in the past: |
2117 | */ | 2117 | */ |
2118 | if (!check_usage_forwards(curr, this, | 2118 | if (!check_usage_forwards(curr, this, |
2119 | LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) | 2119 | LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) |
2120 | return 0; | 2120 | return 0; |
2121 | if (reclaim_verbose(hlock_class(this))) | 2121 | if (reclaim_verbose(hlock_class(this))) |
2122 | ret = 2; | 2122 | ret = 2; |
@@ -2173,7 +2173,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, | |||
2173 | if (softirq_verbose(hlock_class(this))) | 2173 | if (softirq_verbose(hlock_class(this))) |
2174 | ret = 2; | 2174 | ret = 2; |
2175 | break; | 2175 | break; |
2176 | case LOCK_HELD_OVER_RECLAIM_FS: | 2176 | case LOCK_ENABLED_RECLAIM_FS: |
2177 | if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) | 2177 | if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) |
2178 | return 0; | 2178 | return 0; |
2179 | if (!valid_state(curr, this, new_bit, | 2179 | if (!valid_state(curr, this, new_bit, |
@@ -2229,7 +2229,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, | |||
2229 | if (softirq_verbose(hlock_class(this))) | 2229 | if (softirq_verbose(hlock_class(this))) |
2230 | ret = 2; | 2230 | ret = 2; |
2231 | break; | 2231 | break; |
2232 | case LOCK_HELD_OVER_RECLAIM_FS_READ: | 2232 | case LOCK_ENABLED_RECLAIM_FS_READ: |
2233 | if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) | 2233 | if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) |
2234 | return 0; | 2234 | return 0; |
2235 | #if STRICT_READ_CHECKS | 2235 | #if STRICT_READ_CHECKS |
@@ -2288,9 +2288,9 @@ mark_held_locks(struct task_struct *curr, enum mark_type mark) | |||
2288 | 2288 | ||
2289 | case RECLAIM_FS: | 2289 | case RECLAIM_FS: |
2290 | if (hlock->read) | 2290 | if (hlock->read) |
2291 | usage_bit = LOCK_HELD_OVER_RECLAIM_FS_READ; | 2291 | usage_bit = LOCK_ENABLED_RECLAIM_FS_READ; |
2292 | else | 2292 | else |
2293 | usage_bit = LOCK_HELD_OVER_RECLAIM_FS; | 2293 | usage_bit = LOCK_ENABLED_RECLAIM_FS; |
2294 | break; | 2294 | break; |
2295 | 2295 | ||
2296 | default: | 2296 | default: |
@@ -2646,8 +2646,8 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, | |||
2646 | case LOCK_ENABLED_SOFTIRQ_READ: | 2646 | case LOCK_ENABLED_SOFTIRQ_READ: |
2647 | case LOCK_USED_IN_RECLAIM_FS: | 2647 | case LOCK_USED_IN_RECLAIM_FS: |
2648 | case LOCK_USED_IN_RECLAIM_FS_READ: | 2648 | case LOCK_USED_IN_RECLAIM_FS_READ: |
2649 | case LOCK_HELD_OVER_RECLAIM_FS: | 2649 | case LOCK_ENABLED_RECLAIM_FS: |
2650 | case LOCK_HELD_OVER_RECLAIM_FS_READ: | 2650 | case LOCK_ENABLED_RECLAIM_FS_READ: |
2651 | ret = mark_lock_irq(curr, this, new_bit); | 2651 | ret = mark_lock_irq(curr, this, new_bit); |
2652 | if (!ret) | 2652 | if (!ret) |
2653 | return 0; | 2653 | return 0; |