From: Randy Dunlap <[email protected]>
kernel-doc:
Put all short function descriptions on one line or if they are too
long, omit the short description & add a Description: section for them.
Change some list iterator descriptions to use "current" point
instead of "existing" point.
Signed-off-by: Randy Dunlap <[email protected]>
---
include/linux/list.h | 82 ++++++++++++++++++++++++++++++++-------------------
1 files changed, 52 insertions(+), 30 deletions(-)
--- linux-2617-rc4g6.orig/include/linux/list.h
+++ linux-2617-rc4g6/include/linux/list.h
@@ -258,16 +258,17 @@ static inline int list_empty(const struc
}
/**
- * list_empty_careful - tests whether a list is
- * empty _and_ checks that no other CPU might be
- * in the process of still modifying either member
+ * list_empty_careful - tests whether a list is empty and not being modified
+ * @head: the list to test
+ *
+ * Description:
+ * tests whether a list is empty _and_ checks that no other CPU might be
+ * in the process of modifying either member (next or prev)
*
* NOTE: using list_empty_careful() without synchronization
* can only be safe if the only activity that can happen
* to the list entry is list_del_init(). Eg. it cannot be used
* if another CPU could re-list_add() it.
- *
- * @head: the list to test.
*/
static inline int list_empty_careful(const struct list_head *head)
{
@@ -357,7 +358,7 @@ static inline void list_splice_init(stru
pos = pos->prev)
/**
- * list_for_each_safe - iterate over a list safe against removal of list entry
+ * list_for_each_safe - iterate over a list safe against removal of list entry
* @pos: the &struct list_head to use as a loop counter.
* @n: another &struct list_head to use as temporary storage
* @head: the head for your list.
@@ -389,21 +390,24 @@ static inline void list_splice_init(stru
pos = list_entry(pos->member.prev, typeof(*pos), member))
/**
- * list_prepare_entry - prepare a pos entry for use as a start point in
- * list_for_each_entry_continue
+ * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue
* @pos: the type * to use as a start point
* @head: the head of the list
* @member: the name of the list_struct within the struct.
+ *
+ * Prepares a pos entry for use as a start point in list_for_each_entry_continue.
*/
#define list_prepare_entry(pos, head, member) \
((pos) ? : list_entry(head, typeof(*pos), member))
/**
- * list_for_each_entry_continue - iterate over list of given type
- * continuing after existing point
+ * list_for_each_entry_continue - continue iteration over list of given type
* @pos: the type * to use as a loop counter.
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
*/
#define list_for_each_entry_continue(pos, head, member) \
for (pos = list_entry(pos->member.next, typeof(*pos), member); \
@@ -411,11 +415,12 @@ static inline void list_splice_init(stru
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
- * list_for_each_entry_from - iterate over list of given type
- * continuing from existing point
+ * list_for_each_entry_from - iterate over list of given type from the current point
* @pos: the type * to use as a loop counter.
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing from current position.
*/
#define list_for_each_entry_from(pos, head, member) \
for (; prefetch(pos->member.next), &pos->member != (head); \
@@ -435,12 +440,14 @@ static inline void list_splice_init(stru
pos = n, n = list_entry(n->member.next, typeof(*n), member))
/**
- * list_for_each_entry_safe_continue - iterate over list of given type
- * continuing after existing point safe against removal of list entry
+ * list_for_each_entry_safe_continue
* @pos: the type * to use as a loop counter.
* @n: another type * to use as temporary storage
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing after current point,
+ * safe against removal of list entry.
*/
#define list_for_each_entry_safe_continue(pos, n, head, member) \
for (pos = list_entry(pos->member.next, typeof(*pos), member), \
@@ -449,12 +456,14 @@ static inline void list_splice_init(stru
pos = n, n = list_entry(n->member.next, typeof(*n), member))
/**
- * list_for_each_entry_safe_from - iterate over list of given type
- * from existing point safe against removal of list entry
+ * list_for_each_entry_safe_from
* @pos: the type * to use as a loop counter.
* @n: another type * to use as temporary storage
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type from current point, safe against
+ * removal of list entry.
*/
#define list_for_each_entry_safe_from(pos, n, head, member) \
for (n = list_entry(pos->member.next, typeof(*pos), member); \
@@ -462,12 +471,14 @@ static inline void list_splice_init(stru
pos = n, n = list_entry(n->member.next, typeof(*n), member))
/**
- * list_for_each_entry_safe_reverse - iterate backwards over list of given type safe against
- * removal of list entry
+ * list_for_each_entry_safe_reverse
* @pos: the type * to use as a loop counter.
* @n: another type * to use as temporary storage
* @head: the head for your list.
* @member: the name of the list_struct within the struct.
+ *
+ * Iterate backwards over list of given type, safe against removal
+ * of list entry.
*/
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
for (pos = list_entry((head)->prev, typeof(*pos), member), \
@@ -495,12 +506,13 @@ static inline void list_splice_init(stru
pos = pos->next)
/**
- * list_for_each_safe_rcu - iterate over an rcu-protected list safe
- * against removal of list entry
+ * list_for_each_safe_rcu
* @pos: the &struct list_head to use as a loop counter.
* @n: another &struct list_head to use as temporary storage
* @head: the head for your list.
*
+ * Iterate over an rcu-protected list, safe against removal of list entry.
+ *
* This list-traversal primitive may safely run concurrently with
* the _rcu list-mutation primitives such as list_add_rcu()
* as long as the traversal is guarded by rcu_read_lock().
@@ -528,11 +540,12 @@ static inline void list_splice_init(stru
/**
- * list_for_each_continue_rcu - iterate over an rcu-protected list
- * continuing after existing point.
+ * list_for_each_continue_rcu
* @pos: the &struct list_head to use as a loop counter.
* @head: the head for your list.
*
+ * Iterate over an rcu-protected list, continuing after current point.
+ *
* This list-traversal primitive may safely run concurrently with
* the _rcu list-mutation primitives such as list_add_rcu()
* as long as the traversal is guarded by rcu_read_lock().
@@ -658,11 +671,14 @@ static inline void hlist_add_head(struct
/**
- * hlist_add_head_rcu - adds the specified element to the specified hlist,
- * while permitting racing traversals.
+ * hlist_add_head_rcu
* @n: the element to add to the hash list.
* @h: the list to add to.
*
+ * Description:
+ * Adds the specified element to the specified hlist,
+ * while permitting racing traversals.
+ *
* The caller must take whatever precautions are necessary
* (such as holding appropriate locks) to avoid racing
* with another list-mutation primitive, such as hlist_add_head_rcu()
@@ -707,11 +723,14 @@ static inline void hlist_add_after(struc
}
/**
- * hlist_add_before_rcu - adds the specified element to the specified hlist
- * before the specified node while permitting racing traversals.
+ * hlist_add_before_rcu
* @n: the new element to add to the hash list.
* @next: the existing element to add the new element before.
*
+ * Description:
+ * Adds the specified element to the specified hlist
+ * before the specified node while permitting racing traversals.
+ *
* The caller must take whatever precautions are necessary
* (such as holding appropriate locks) to avoid racing
* with another list-mutation primitive, such as hlist_add_head_rcu()
@@ -732,11 +751,14 @@ static inline void hlist_add_before_rcu(
}
/**
- * hlist_add_after_rcu - adds the specified element to the specified hlist
- * after the specified node while permitting racing traversals.
+ * hlist_add_after_rcu
* @prev: the existing element to add the new element after.
* @n: the new element to add to the hash list.
*
+ * Description:
+ * Adds the specified element to the specified hlist
+ * after the specified node while permitting racing traversals.
+ *
* The caller must take whatever precautions are necessary
* (such as holding appropriate locks) to avoid racing
* with another list-mutation primitive, such as hlist_add_head_rcu()
@@ -781,7 +803,7 @@ static inline void hlist_add_after_rcu(s
pos = pos->next)
/**
- * hlist_for_each_entry_continue - iterate over a hlist continuing after existing point
+ * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
* @tpos: the type * to use as a loop counter.
* @pos: the &struct hlist_node to use as a loop counter.
* @member: the name of the hlist_node within the struct.
@@ -793,7 +815,7 @@ static inline void hlist_add_after_rcu(s
pos = pos->next)
/**
- * hlist_for_each_entry_from - iterate over a hlist continuing from existing point
+ * hlist_for_each_entry_from - iterate over a hlist continuing from current point
* @tpos: the type * to use as a loop counter.
* @pos: the &struct hlist_node to use as a loop counter.
* @member: the name of the hlist_node within the struct.
---
-
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