Subject: + llists-move-llist_reverse_order-from-raid5-to-llistc.patch added to -mm tree
To: hch@xxxxxxxxxxxxx,axboe@xxxxxxxxx,hch@xxxxxx,jack@xxxxxxx,neilb@xxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 01 Nov 2013 14:58:19 -0700
The patch titled
Subject: llists: move llist_reverse_order from raid5 to llist.c
has been added to the -mm tree. Its filename is
llists-move-llist_reverse_order-from-raid5-to-llistc.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/llists-move-llist_reverse_order-from-raid5-to-llistc.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/llists-move-llist_reverse_order-from-raid5-to-llistc.patch
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------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: llists: move llist_reverse_order from raid5 to llist.c
Make this useful helper available for other users.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/raid5.c | 14 --------------
include/linux/llist.h | 2 ++
lib/llist.c | 22 ++++++++++++++++++++++
3 files changed, 24 insertions(+), 14 deletions(-)
diff -puN drivers/md/raid5.c~llists-move-llist_reverse_order-from-raid5-to-llistc drivers/md/raid5.c
--- a/drivers/md/raid5.c~llists-move-llist_reverse_order-from-raid5-to-llistc
+++ a/drivers/md/raid5.c
@@ -374,20 +374,6 @@ static void release_inactive_stripe_list
}
}
-static struct llist_node *llist_reverse_order(struct llist_node *head)
-{
- struct llist_node *new_head = NULL;
-
- while (head) {
- struct llist_node *tmp = head;
- head = head->next;
- tmp->next = new_head;
- new_head = tmp;
- }
-
- return new_head;
-}
-
/* should hold conf->device_lock already */
static int release_stripe_list(struct r5conf *conf,
struct list_head *temp_inactive_list)
diff -puN include/linux/llist.h~llists-move-llist_reverse_order-from-raid5-to-llistc include/linux/llist.h
--- a/include/linux/llist.h~llists-move-llist_reverse_order-from-raid5-to-llistc
+++ a/include/linux/llist.h
@@ -195,4 +195,6 @@ static inline struct llist_node *llist_d
extern struct llist_node *llist_del_first(struct llist_head *head);
+struct llist_node *llist_reverse_order(struct llist_node *head);
+
#endif /* LLIST_H */
diff -puN lib/llist.c~llists-move-llist_reverse_order-from-raid5-to-llistc lib/llist.c
--- a/lib/llist.c~llists-move-llist_reverse_order-from-raid5-to-llistc
+++ a/lib/llist.c
@@ -81,3 +81,25 @@ struct llist_node *llist_del_first(struc
return entry;
}
EXPORT_SYMBOL_GPL(llist_del_first);
+
+/**
+ * llist_reverse_order - reverse order of a llist chain
+ * @head: first item of the list to be reversed
+ *
+ * Reverse the oder of a chain of llist entries and return the
+ * new first entry.
+ */
+struct llist_node *llist_reverse_order(struct llist_node *head)
+{
+ struct llist_node *new_head = NULL;
+
+ while (head) {
+ struct llist_node *tmp = head;
+ head = head->next;
+ tmp->next = new_head;
+ new_head = tmp;
+ }
+
+ return new_head;
+}
+EXPORT_SYMBOL_GPL(llist_reverse_order);
_
Patches currently in -mm which might be from hch@xxxxxxxxxxxxx are
hfsplus-add-metadata-files-clump-size-calculation-functionality.patch
hfsplus-implement-attributes-files-header-node-initialization-code.patch
hfsplus-implement-attributes-files-header-node-initialization-code-v2.patch
hfsplus-implement-attributes-file-creation-functionality.patch
hfsplus-implement-attributes-file-creation-functionality-v2.patch
linux-next.patch
revert-softirq-add-support-for-triggering-softirq-work-on-softirqs.patch
kernel-remove-config_use_generic_smp_helpers.patch
kernel-provide-a-__smp_call_function_single-stub-for-config_smp.patch
kernel-fix-generic_exec_single-indication.patch
llists-move-llist_reverse_order-from-raid5-to-llistc.patch
kernel-use-lockless-list-for-smp_call_function_single.patch
blk-mq-use-__smp_call_function_single-directly.patch
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