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sys: FspVolumeTransact(): do not retry IRP completions immediately

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This commit is contained in:
Bill Zissimopoulos 2016-01-27 13:59:48 -08:00
parent acf1b453fc
commit f491d6015f
1 changed files with 11 additions and 2 deletions
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13
src/sys/volume.c
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@ -521,6 +521,7 @@ NTSTATUS FspVolumeTransact(
LARGE_INTEGER Timeout;
/* process any user-mode file system responses */
RepostedIrp = 0;
Response = SystemBuffer;
BufferEnd = (PUINT8)SystemBuffer + InputBufferLength;
for (;;)
@ -534,13 +535,21 @@ NTSTATUS FspVolumeTransact(
/* either IRP was canceled or a bogus Hint was provided */
continue;
FspIopDispatchComplete(ProcessIrp, Response);
Result = FspIopDispatchComplete(ProcessIrp, Response);
if (STATUS_PENDING == Result)
{
/*
* The IRP has been reposted to our Ioq. Remember the first such IRP,
* so that we know to break the loop if we see it again.
*/
if (0 == RepostedIrp)
RepostedIrp = ProcessIrp;
}
Response = NextResponse;
}
/* process any retried IRP's */
RepostedIrp = 0;
for (;;)
{
/* get the next retried IRP, but do not go beyond the first reposted IRP! */