Re: [PATCH 1/2] nbd: use list_for_each_entry_safe to make it more consolidated and readable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 7/19/07, rae l <[email protected]> wrote:
On 7/19/07, Paul Clements <[email protected]> wrote:
> Could you name "n" as "tmp" (as in the previous code) so that it's clear
> that's only a temporary variable. Other than that, this looks good.
Sure. I just use the name "n" as in the declaration of
list_for_each_entry_safe in the header file <linux/list.h>
I'll resend it a little later.

Signed-off-by: Denis Cheng <[email protected]>
---
drivers/block/nbd.c |    6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index c129510..86639c0 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -237,8 +237,7 @@ error_out:

static struct request *nbd_find_request(struct nbd_device *lo, char *handle)
{
-	struct request *req;
-	struct list_head *tmp;
+	struct request *req, *tmp;
	struct request *xreq;
	int err;

@@ -249,8 +248,7 @@ static struct request *nbd_find_request(struct
nbd_device *lo, char *handle)
		goto out;

	spin_lock(&lo->queue_lock);
-	list_for_each(tmp, &lo->queue_head) {
-		req = list_entry(tmp, struct request, queuelist);
+	list_for_each_entry_safe(req, tmp, &lo->queue_head, queuelist) {
		if (req != xreq)
			continue;
		list_del_init(&req->queuelist);

--
Denis Cheng
Linux Application Developer

"One of my most productive days was throwing away 1000 lines of code."
- Ken Thompson.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux