The patch titled
Subject: zcache: convert to idr_alloc()
has been added to the -mm tree. Its filename is
zcache-convert-to-idr_alloc.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Tejun Heo <tj@xxxxxxxxxx>
Subject: zcache: convert to idr_alloc()
idr_get_new*() and friends are about to be deprecated. Convert to the
new idr_alloc() interface.
Only compile tested.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/staging/zcache/ramster/tcp.c | 25 ++++++++++---------------
1 file changed, 10 insertions(+), 15 deletions(-)
diff -puN drivers/staging/zcache/ramster/tcp.c~zcache-convert-to-idr_alloc drivers/staging/zcache/ramster/tcp.c
--- a/drivers/staging/zcache/ramster/tcp.c~zcache-convert-to-idr_alloc
+++ a/drivers/staging/zcache/ramster/tcp.c
@@ -300,27 +300,22 @@ static u8 r2net_num_from_nn(struct r2net
static int r2net_prep_nsw(struct r2net_node *nn, struct r2net_status_wait *nsw)
{
- int ret = 0;
+ int ret;
- do {
- if (!idr_pre_get(&nn->nn_status_idr, GFP_ATOMIC)) {
- ret = -EAGAIN;
- break;
- }
- spin_lock(&nn->nn_lock);
- ret = idr_get_new(&nn->nn_status_idr, nsw, &nsw->ns_id);
- if (ret == 0)
- list_add_tail(&nsw->ns_node_item,
- &nn->nn_status_list);
- spin_unlock(&nn->nn_lock);
- } while (ret == -EAGAIN);
+ spin_lock(&nn->nn_lock);
+ ret = idr_alloc(&nn->nn_status_idr, nsw, 0, 0, GFP_ATOMIC);
+ if (ret >= 0) {
+ nsw->ns_id = ret;
+ list_add_tail(&nsw->ns_node_item, &nn->nn_status_list);
+ }
+ spin_unlock(&nn->nn_lock);
- if (ret == 0) {
+ if (ret >= 0) {
init_waitqueue_head(&nsw->ns_wq);
nsw->ns_sys_status = R2NET_ERR_NONE;
nsw->ns_status = 0;
+ return 0;
}
-
return ret;
}
_
Patches currently in -mm which might be from tj@xxxxxxxxxx are
linux-next.patch
idr-remove-warn_on_once-on-negative-ids.patch
block-restore-proc-partitions-to-not-display-non-partitionable-removable-devices.patch
rtc-add-devm_rtc_device_registerunregister.patch
coredump-only-sigkill-should-interrupt-the-coredumping-task.patch
coredump-ensure-that-sigkill-always-kills-the-dumping-thread.patch
coredump-sanitize-the-setting-of-signal-group_exit_code.patch
coredump-factor-out-the-setting-of-pf_dumpcore.patch
freezer-do-not-send-a-fake-signal-to-a-pf_dumpcore-thread.patch
coredump-make-wait_for_dump_helpers-freezable.patch
nfsd-remove-unused-get_new_stid.patch
nfsd-convert-to-idr_alloc.patch
workqueue-convert-to-idr_alloc.patch
mlx4-remove-leftover-idr_pre_get-call.patch
zcache-convert-to-idr_alloc.patch
tidspbridge-convert-to-idr_alloc.patch
idr-deprecate-idr_pre_get-and-idr_get_new.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
