From: Peter Zijlstra Date: Thu, 22 Jan 2009 12:13:11 +0000 (+0100) Subject: lockdep: sanitize reclaim bit names X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a652d7081bc96b3094e85ca30e47f50185d2f717;p=linux-beck.git lockdep: sanitize reclaim bit names s/HELD_OVER/ENABLED/g so that its similar to the hard and soft-irq names. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index da2e2b25b3b2..6d729c9d1d27 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -30,13 +30,13 @@ enum lock_usage_bit LOCK_USED_IN_RECLAIM_FS, LOCK_ENABLED_SOFTIRQ, LOCK_ENABLED_HARDIRQ, - LOCK_HELD_OVER_RECLAIM_FS, + LOCK_ENABLED_RECLAIM_FS, LOCK_USED_IN_HARDIRQ_READ, LOCK_USED_IN_SOFTIRQ_READ, LOCK_USED_IN_RECLAIM_FS_READ, LOCK_ENABLED_SOFTIRQ_READ, LOCK_ENABLED_HARDIRQ_READ, - LOCK_HELD_OVER_RECLAIM_FS_READ, + LOCK_ENABLED_RECLAIM_FS_READ, LOCK_USAGE_STATES }; @@ -49,7 +49,7 @@ enum lock_usage_bit #define LOCKF_USED_IN_RECLAIM_FS (1 << LOCK_USED_IN_RECLAIM_FS) #define LOCKF_ENABLED_HARDIRQ (1 << LOCK_ENABLED_HARDIRQ) #define LOCKF_ENABLED_SOFTIRQ (1 << LOCK_ENABLED_SOFTIRQ) -#define LOCKF_HELD_OVER_RECLAIM_FS (1 << LOCK_HELD_OVER_RECLAIM_FS) +#define LOCKF_ENABLED_RECLAIM_FS (1 << LOCK_ENABLED_RECLAIM_FS) #define LOCKF_ENABLED_IRQ (LOCKF_ENABLED_HARDIRQ | LOCKF_ENABLED_SOFTIRQ) #define LOCKF_USED_IN_IRQ (LOCKF_USED_IN_HARDIRQ | LOCKF_USED_IN_SOFTIRQ) @@ -59,7 +59,7 @@ enum lock_usage_bit #define LOCKF_USED_IN_RECLAIM_FS_READ (1 << LOCK_USED_IN_RECLAIM_FS_READ) #define LOCKF_ENABLED_HARDIRQ_READ (1 << LOCK_ENABLED_HARDIRQ_READ) #define LOCKF_ENABLED_SOFTIRQ_READ (1 << LOCK_ENABLED_SOFTIRQ_READ) -#define LOCKF_HELD_OVER_RECLAIM_FS_READ (1 << LOCK_HELD_OVER_RECLAIM_FS_READ) +#define LOCKF_ENABLED_RECLAIM_FS_READ (1 << LOCK_ENABLED_RECLAIM_FS_READ) #define LOCKF_ENABLED_IRQ_READ \ (LOCKF_ENABLED_HARDIRQ_READ | LOCKF_ENABLED_SOFTIRQ_READ) 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[] = [LOCK_ENABLED_HARDIRQ_READ] = "hardirq-on-R", [LOCK_USED_IN_RECLAIM_FS] = "in-reclaim-W", [LOCK_USED_IN_RECLAIM_FS_READ] = "in-reclaim-R", - [LOCK_HELD_OVER_RECLAIM_FS] = "ov-reclaim-W", - [LOCK_HELD_OVER_RECLAIM_FS_READ] = "ov-reclaim-R", + [LOCK_ENABLED_RECLAIM_FS] = "ov-reclaim-W", + [LOCK_ENABLED_RECLAIM_FS_READ] = "ov-reclaim-R", }; 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, if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS) *c5 = '+'; else - if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS) + if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS) *c5 = '-'; - if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS_READ) + if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS_READ) *c6 = '-'; if (class->usage_mask & LOCKF_USED_IN_RECLAIM_FS_READ) { *c6 = '+'; - if (class->usage_mask & LOCKF_HELD_OVER_RECLAIM_FS_READ) + if (class->usage_mask & LOCKF_ENABLED_RECLAIM_FS_READ) *c6 = '?'; } @@ -1335,7 +1335,7 @@ check_prev_add_irq(struct task_struct *curr, struct held_lock *prev, * forwards-subgraph starting at : */ if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS, - LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) + LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) return 0; /* @@ -1345,7 +1345,7 @@ check_prev_add_irq(struct task_struct *curr, struct held_lock *prev, * forwards-subgraph starting at : */ if (!check_usage(curr, prev, next, LOCK_USED_IN_RECLAIM_FS_READ, - LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs-read")) + LOCK_ENABLED_RECLAIM_FS, "reclaim-fs-read")) return 0; return 1; @@ -2058,17 +2058,17 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, ret = 2; break; case LOCK_USED_IN_RECLAIM_FS: - if (!valid_state(curr, this, new_bit, LOCK_HELD_OVER_RECLAIM_FS)) + if (!valid_state(curr, this, new_bit, LOCK_ENABLED_RECLAIM_FS)) return 0; if (!valid_state(curr, this, new_bit, - LOCK_HELD_OVER_RECLAIM_FS_READ)) + LOCK_ENABLED_RECLAIM_FS_READ)) return 0; /* * just marked it reclaim-fs-safe, check that this lock * took no reclaim-fs-unsafe lock in the past: */ if (!check_usage_forwards(curr, this, - LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) + LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) return 0; #if STRICT_READ_CHECKS /* @@ -2076,7 +2076,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, * took no reclaim-fs-unsafe-read lock in the past: */ if (!check_usage_forwards(curr, this, - LOCK_HELD_OVER_RECLAIM_FS_READ, "reclaim-fs-read")) + LOCK_ENABLED_RECLAIM_FS_READ, "reclaim-fs-read")) return 0; #endif if (reclaim_verbose(hlock_class(this))) @@ -2109,14 +2109,14 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, ret = 2; break; case LOCK_USED_IN_RECLAIM_FS_READ: - if (!valid_state(curr, this, new_bit, LOCK_HELD_OVER_RECLAIM_FS)) + if (!valid_state(curr, this, new_bit, LOCK_ENABLED_RECLAIM_FS)) return 0; /* * just marked it reclaim-fs-read-safe, check that this lock * took no reclaim-fs-unsafe lock in the past: */ if (!check_usage_forwards(curr, this, - LOCK_HELD_OVER_RECLAIM_FS, "reclaim-fs")) + LOCK_ENABLED_RECLAIM_FS, "reclaim-fs")) return 0; if (reclaim_verbose(hlock_class(this))) ret = 2; @@ -2173,7 +2173,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, if (softirq_verbose(hlock_class(this))) ret = 2; break; - case LOCK_HELD_OVER_RECLAIM_FS: + case LOCK_ENABLED_RECLAIM_FS: if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) return 0; if (!valid_state(curr, this, new_bit, @@ -2229,7 +2229,7 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this, if (softirq_verbose(hlock_class(this))) ret = 2; break; - case LOCK_HELD_OVER_RECLAIM_FS_READ: + case LOCK_ENABLED_RECLAIM_FS_READ: if (!valid_state(curr, this, new_bit, LOCK_USED_IN_RECLAIM_FS)) return 0; #if STRICT_READ_CHECKS @@ -2288,9 +2288,9 @@ mark_held_locks(struct task_struct *curr, enum mark_type mark) case RECLAIM_FS: if (hlock->read) - usage_bit = LOCK_HELD_OVER_RECLAIM_FS_READ; + usage_bit = LOCK_ENABLED_RECLAIM_FS_READ; else - usage_bit = LOCK_HELD_OVER_RECLAIM_FS; + usage_bit = LOCK_ENABLED_RECLAIM_FS; break; default: @@ -2646,8 +2646,8 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this, case LOCK_ENABLED_SOFTIRQ_READ: case LOCK_USED_IN_RECLAIM_FS: case LOCK_USED_IN_RECLAIM_FS_READ: - case LOCK_HELD_OVER_RECLAIM_FS: - case LOCK_HELD_OVER_RECLAIM_FS_READ: + case LOCK_ENABLED_RECLAIM_FS: + case LOCK_ENABLED_RECLAIM_FS_READ: ret = mark_lock_irq(curr, this, new_bit); if (!ret) return 0;