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Date: Wed, 11 Aug 2010 17:01:08 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Brian King <brking@...ux.vnet.ibm.com>, James Bottomley <James.Bottomley@...e.de> Subject: [53/54] [SCSI] ibmvfc: Reduce error recovery timeout 2.6.34-stable review patch. If anyone has any objections, please let us know. ------------------ From: Brian King <brking@...ux.vnet.ibm.com> commit daa142d1773dd3a986f02a8a4da929608d24daaa upstream. If a command times out resulting in EH getting invoked, we wait for the aborted commands to come back after sending the abort. Shorten the amount of time we wait for these responses, to ensure we don't get stuck in EH for several minutes. Signed-off-by: Brian King <brking@...ux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@...e.de> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- drivers/scsi/ibmvscsi/ibmvfc.c | 2 +- drivers/scsi/ibmvscsi/ibmvfc.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -2245,7 +2245,7 @@ static int ibmvfc_wait_for_ops(struct ib DECLARE_COMPLETION_ONSTACK(comp); int wait; unsigned long flags; - signed long timeout = init_timeout * HZ; + signed long timeout = IBMVFC_ABORT_WAIT_TIMEOUT * HZ; ENTER; do { --- a/drivers/scsi/ibmvscsi/ibmvfc.h +++ b/drivers/scsi/ibmvscsi/ibmvfc.h @@ -38,6 +38,7 @@ #define IBMVFC_ADISC_PLUS_CANCEL_TIMEOUT \ (IBMVFC_ADISC_TIMEOUT + IBMVFC_ADISC_CANCEL_TIMEOUT) #define IBMVFC_INIT_TIMEOUT 120 +#define IBMVFC_ABORT_WAIT_TIMEOUT 40 #define IBMVFC_MAX_REQUESTS_DEFAULT 100 #define IBMVFC_DEBUG 0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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