diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:02:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:03:08 +0200 |
| commit | c9494727cf293ae2ec66af57547a3e79c724fec2 (patch) | |
| tree | 44ae197b64fa7530ee695a90ad31326dda06f1e1 /drivers/scsi/libiscsi.c | |
| parent | 6427462bfa50f50dc6c088c07037264fcc73eca1 (diff) | |
| parent | 42be79e37e264557f12860fa4cc84b4de3685954 (diff) | |
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
| -rw-r--r-- | drivers/scsi/libiscsi.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 703eb6a8879..685eaec5321 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2338,7 +2338,7 @@ EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout); * This function will wait for a relogin, session termination from * userspace, or a recovery/replacement timeout. */ -static int iscsi_eh_session_reset(struct scsi_cmnd *sc) +int iscsi_eh_session_reset(struct scsi_cmnd *sc) { struct iscsi_cls_session *cls_session; struct iscsi_session *session; @@ -2389,6 +2389,7 @@ failed: mutex_unlock(&session->eh_mutex); return SUCCESS; } +EXPORT_SYMBOL_GPL(iscsi_eh_session_reset); static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) { @@ -2403,8 +2404,7 @@ static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) * iscsi_eh_target_reset - reset target * @sc: scsi command * - * This will attempt to send a warm target reset. If that fails - * then we will drop the session and attempt ERL0 recovery. + * This will attempt to send a warm target reset. */ int iscsi_eh_target_reset(struct scsi_cmnd *sc) { @@ -2476,12 +2476,27 @@ done: ISCSI_DBG_EH(session, "tgt %s reset result = %s\n", session->targetname, rc == SUCCESS ? "SUCCESS" : "FAILED"); mutex_unlock(&session->eh_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(iscsi_eh_target_reset); +/** + * iscsi_eh_recover_target - reset target and possibly the session + * @sc: scsi command + * + * This will attempt to send a warm target reset. If that fails, + * we will escalate to ERL0 session recovery. + */ +int iscsi_eh_recover_target(struct scsi_cmnd *sc) +{ + int rc; + + rc = iscsi_eh_target_reset(sc); if (rc == FAILED) rc = iscsi_eh_session_reset(sc); return rc; } -EXPORT_SYMBOL_GPL(iscsi_eh_target_reset); +EXPORT_SYMBOL_GPL(iscsi_eh_recover_target); /* * Pre-allocate a pool of @max items of @item_size. By default, the pool |