diff options
| author | David Howells <dhowells@redhat.com> | 2022-08-31 13:16:42 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-09-01 11:44:13 +0100 |
| commit | 7903192c4b4a82d792cb0dc5e2779a2efe60d45b (patch) | |
| tree | 97717e96ed108027f39765226d644474406c0c49 /fs/afs/yfsclient.c | |
| parent | 214a9dc7d852216e83acac7b75bc18f01ce184c2 (diff) | |
afs: Use the operation issue time instead of the reply time for callbacks
rxrpc and kafs between them try to use the receive timestamp on the first
data packet (ie. the one with sequence number 1) as a base from which to
calculate the time at which callback promise and lock expiration occurs.
However, we don't know how long it took for the server to send us the reply
from it having completed the basic part of the operation - it might then,
for instance, have to send a bunch of a callback breaks, depending on the
particular operation.
Fix this by using the time at which the operation is issued on the client
as a base instead. That should never be longer than the server's idea of
the expiry time.
Fixes: 781070551c26 ("afs: Fix calculation of callback expiry time")
Fixes: 2070a3e44962 ("rxrpc: Allow the reply time to be obtained on a client call")
Suggested-by: Jeffrey E Altman <jaltman@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/yfsclient.c')
| -rw-r--r-- | fs/afs/yfsclient.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c index fdc7d675b4b0..11571cca86c1 100644 --- a/fs/afs/yfsclient.c +++ b/fs/afs/yfsclient.c @@ -232,8 +232,7 @@ static void xdr_decode_YFSCallBack(const __be32 **_bp, struct afs_callback *cb = &scb->callback; ktime_t cb_expiry; - cb_expiry = call->reply_time; - cb_expiry = ktime_add(cb_expiry, xdr_to_u64(x->expiration_time) * 100); + cb_expiry = ktime_add(call->issue_time, xdr_to_u64(x->expiration_time) * 100); cb->expires_at = ktime_divns(cb_expiry, NSEC_PER_SEC); scb->have_cb = true; *_bp += xdr_size(x); |