From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 5/8] nfs: Fix polling for packets
Date: Mon, 30 Mar 2020 11:12:07 +0200 [thread overview]
Message-ID: <20200330091210.18716-6-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20200330091210.18716-1-s.hauer@pengutronix.de>
It can happen that the first packet we receive is not the desired one.
In this case we have to poll for further packets. set nfs_state back to
STATE_START before polling for more packets, otherwise we check the same
packet again and again.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
fs/nfs.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/nfs.c b/fs/nfs.c
index 1bfd36fcb6..b070ca79d5 100644
--- a/fs/nfs.c
+++ b/fs/nfs.c
@@ -450,14 +450,17 @@ again:
nfs_timer_start = get_time_ns();
- nfs_state = STATE_START;
+ while (1) {
+ nfs_state = STATE_START;
- while (nfs_state != STATE_DONE) {
if (ctrlc())
return ERR_PTR(-EINTR);
net_poll();
+ if (nfs_state != STATE_DONE)
+ continue;
+
if (is_timeout(nfs_timer_start, NFS_TIMEOUT)) {
tries++;
if (tries == NFS_MAX_RESEND)
--
2.26.0.rc2
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next prev parent reply other threads:[~2020-03-30 9:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 9:12 [PATCH 0/8] NFS fixes Sascha Hauer
2020-03-30 9:12 ` [PATCH 1/8] nfs: Add function to free packets Sascha Hauer
2020-03-30 9:12 ` [PATCH 2/8] nfs: Add missing free Sascha Hauer
2020-03-30 9:12 ` [PATCH 3/8] nfs: remove unnecessary check Sascha Hauer
2020-03-30 9:12 ` [PATCH 4/8] nfs: Fix rpc_check_reply() return value for stale packets Sascha Hauer
2020-03-30 9:12 ` Sascha Hauer [this message]
2020-03-30 9:12 ` [PATCH 6/8] nfs: queue received packets Sascha Hauer
2020-03-30 9:12 ` [PATCH 7/8] fs: nfs: don't maintain nfs dentries in dcache Sascha Hauer
2020-03-30 9:12 ` [PATCH 8/8] nfs: Do not allow to abort Sascha Hauer
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