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[SCSI] libfc: fix indefinite rport restart

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Remote ports were restarting indefinitely after getting
rejects in PRLI.

Fix by adding a counter of restarts and limiting that with
the port login retry limit as well.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt
2010-06-11 16:44:57 -07:00
committed by James Bottomley
parent 4b2164d4d2
commit f034260db3
2 changed files with 7 additions and 1 deletions
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2
include/scsi/libfc.h
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@@ -189,6 +189,7 @@ struct fc_rport_libfc_priv {
* @disc_id: The discovery identifier
* @maxframe_size: The maximum frame size
* @retries: The retry count for the current state
* @major_retries: The retry count for the entire PLOGI/PRLI state machine
* @e_d_tov: Error detect timeout value (in msec)
* @r_a_tov: Resource allocation timeout value (in msec)
* @rp_mutex: The mutex that protects the remote port
@@ -206,6 +207,7 @@ struct fc_rport_priv {
u16 disc_id;
u16 maxframe_size;
unsigned int retries;
unsigned int major_retries;
unsigned int e_d_tov;
unsigned int r_a_tov;
struct mutex rp_mutex;