From: Fred Isaman <iisaman@netapp.com>
To: linux-nfs@vger.kernel.org
Subject: [PATCH 2/3] pnfs-submit: wave2: Remove smp barrier in get_layout_hdr
Date: Tue, 14 Dec 2010 17:02:59 -0500 [thread overview]
Message-ID: <1292364180-28512-3-git-send-email-iisaman@netapp.com> (raw)
In-Reply-To: <1292364180-28512-1-git-send-email-iisaman@netapp.com>
Trond points out that, since this is always called inside some
spinlock, the barrier is not necessay.
Signed-off-by: Fred Isaman <iisaman@netapp.com>
---
fs/nfs/pnfs.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index c22e439..b815e3e 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -237,7 +237,6 @@ void
get_layout_hdr(struct pnfs_layout_hdr *lo)
{
atomic_inc(&lo->plh_refcount);
- smp_mb__after_atomic_inc();
}
static void
--
1.7.2.1
next prev parent reply other threads:[~2010-12-14 22:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 22:02 [PATCH 0/3] pnfs: additional wave2 patches Fred Isaman
2010-12-14 22:02 ` [PATCH 1/3] pnfs-submit: wave2: remove forgotten layoutreturn struct definitions Fred Isaman
2010-12-14 22:02 ` Fred Isaman [this message]
2010-12-14 22:03 ` [PATCH 3/3] pnfs-submit: wave2: make put_layout_hdr have args consistent with related functions Fred Isaman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1292364180-28512-3-git-send-email-iisaman@netapp.com \
--to=iisaman@netapp.com \
--cc=linux-nfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.