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ipc: standardize code comments

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IPC commenting style is all over the place, *specially* in util.c.  This
patch orders things a bit.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Acked-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davidlohr Bueso
2014-01-27 17:07:05 -08:00
committed by Linus Torvalds
parent 239521f31d
commit 8001c85810
3 changed files with 122 additions and 136 deletions
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24
ipc/sem.c
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@@ -225,7 +225,7 @@ static void unmerge_queues(struct sem_array *sma)
}
/**
* merge_queues - Merge single semop queues into global queue
* merge_queues - merge single semop queues into global queue
* @sma: semaphore array
*
* This function merges all per-semaphore queues into the global queue.
@@ -474,7 +474,6 @@ static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s)
*
* Called with sem_ids.rwsem held (as a writer)
*/
static int newary(struct ipc_namespace *ns, struct ipc_params *params)
{
int id;
@@ -682,7 +681,7 @@ static void wake_up_sem_queue_prepare(struct list_head *pt,
}
/**
* wake_up_sem_queue_do(pt) - do the actual wake-up
* wake_up_sem_queue_do - do the actual wake-up
* @pt: list of tasks to be woken up
*
* Do the actual wake-up.
@@ -748,7 +747,7 @@ static int check_restart(struct sem_array *sma, struct sem_queue *q)
}
/**
* wake_const_ops(sma, semnum, pt) - Wake up non-alter tasks
* wake_const_ops - wake up non-alter tasks
* @sma: semaphore array.
* @semnum: semaphore that was modified.
* @pt: list head for the tasks that must be woken up.
@@ -798,15 +797,14 @@ static int wake_const_ops(struct sem_array *sma, int semnum,
}
/**
* do_smart_wakeup_zero(sma, sops, nsops, pt) - wakeup all wait for zero tasks
* do_smart_wakeup_zero - wakeup all wait for zero tasks
* @sma: semaphore array
* @sops: operations that were performed
* @nsops: number of operations
* @pt: list head of the tasks that must be woken up.
*
* do_smart_wakeup_zero() checks all required queue for wait-for-zero
* operations, based on the actual changes that were performed on the
* semaphore array.
* Checks all required queue for wait-for-zero operations, based
* on the actual changes that were performed on the semaphore array.
* The function returns 1 if at least one operation was completed successfully.
*/
static int do_smart_wakeup_zero(struct sem_array *sma, struct sembuf *sops,
@@ -850,7 +848,7 @@ static int do_smart_wakeup_zero(struct sem_array *sma, struct sembuf *sops,
/**
* update_queue(sma, semnum): Look for tasks that can be completed.
* update_queue - look for tasks that can be completed.
* @sma: semaphore array.
* @semnum: semaphore that was modified.
* @pt: list head for the tasks that must be woken up.
@@ -920,7 +918,7 @@ again:
}
/**
* set_semotime(sma, sops) - set sem_otime
* set_semotime - set sem_otime
* @sma: semaphore array
* @sops: operations that modified the array, may be NULL
*
@@ -938,7 +936,7 @@ static void set_semotime(struct sem_array *sma, struct sembuf *sops)
}
/**
* do_smart_update(sma, sops, nsops, otime, pt) - optimized update_queue
* do_smart_update - optimized update_queue
* @sma: semaphore array
* @sops: operations that were performed
* @nsops: number of operations
@@ -1647,7 +1645,7 @@ static struct sem_undo *lookup_undo(struct sem_undo_list *ulp, int semid)
}
/**
* find_alloc_undo - Lookup (and if not present create) undo array
* find_alloc_undo - lookup (and if not present create) undo array
* @ns: namespace
* @semid: semaphore array id
*
@@ -1737,7 +1735,7 @@ out:
/**
* get_queue_result - Retrieve the result code from sem_queue
* get_queue_result - retrieve the result code from sem_queue
* @q: Pointer to queue structure
*
* Retrieve the return code from the pending queue. If IN_WAKEUP is found in