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SCSI fixes on 20191015

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Five changes, two in drivers (qla2xxx, zfcp), one to MAINTAINERS
 (qla2xxx) and two in the core.  The last two are mostly about removing
 incorrect messages from the kernel log: the resid message is
 definitely wrong and the sync cache on protected drive problem is
 arguably wrong.
 
 Signed-off-by: James E.J. Bottomley <[email protected]>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Five changes, two in drivers (qla2xxx, zfcp), one to MAINTAINERS
  (qla2xxx) and two in the core.

  The last two are mostly about removing incorrect messages from the
  kernel log: the resid message is definitely wrong and the sync cache
  on protected drive problem is arguably wrong"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: MAINTAINERS: Update qla2xxx driver
  scsi: zfcp: fix reaction on bit error threshold notification
  scsi: core: save/restore command resid for error handling
  scsi: qla2xxx: Remove WARN_ON_ONCE in qla2x00_status_cont_entry()
  scsi: sd: Ignore a failure to sync cache due to lack of authorization
This commit is contained in:
Linus Torvalds 2019-10-15 12:19:08 -07:00
commit 8625732e77
6 changed files with 20 additions and 7 deletions
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16
drivers/s390/scsi/zfcp_fsf.c
View file

@ -27,6 +27,11 @@
struct kmem_cache *zfcp_fsf_qtcb_cache;
static bool ber_stop = true;
module_param(ber_stop, bool, 0600);
MODULE_PARM_DESC(ber_stop,
"Shuts down FCP devices for FCP channels that report a bit-error count in excess of its threshold (default on)");
static void zfcp_fsf_request_timeout_handler(struct timer_list *t)
{
struct zfcp_fsf_req *fsf_req = from_timer(fsf_req, t, timer);
@ -236,10 +241,15 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
case FSF_STATUS_READ_SENSE_DATA_AVAIL:
break;
case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
dev_warn(&adapter->ccw_device->dev,
"The error threshold for checksum statistics "
"has been exceeded\n");
zfcp_dbf_hba_bit_err("fssrh_3", req);
if (ber_stop) {
dev_warn(&adapter->ccw_device->dev,
"All paths over this FCP device are disused because of excessive bit errors\n");
zfcp_erp_adapter_shutdown(adapter, 0, "fssrh_b");
} else {
dev_warn(&adapter->ccw_device->dev,
"The error threshold for checksum statistics has been exceeded\n");
}
break;
case FSF_STATUS_READ_LINK_DOWN:
zfcp_fsf_status_read_link_down(req);