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authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2009-12-07 12:51:40 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2009-12-07 12:51:33 +0100
commitde1b04388f63cbddf91d9f6c50c29be7232881ca (patch)
tree2a2500ab1093bb77b81e84ae56ab3aae1501c52a /drivers/s390/cio/io_sch.h
parent7a8ad1001c51bba0507ee08cb4323d8ddcb07c70 (diff)
[S390] cio: improve error recovery for internal I/Os
Improve error recovery for internal I/Os by repeating each I/O 256 times per path to cope with long-running non-permanent error conditions. Also retry each path twice to cope with link flapping, i.e. single paths becoming unavailable in the order in which they are tried. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/io_sch.h')
-rw-r--r--drivers/s390/cio/io_sch.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index dbc69a5a043..d72ae4c93af 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -109,7 +109,7 @@ struct ccw_request {
void (*callback)(struct ccw_device *, void *, int);
void *data;
/* These fields are used internally. */
- u8 mask;
+ u16 mask;
u16 retries;
int drc;
int cancel:1;