Update the new concurrency rules of ->host_failed.
Signed-off-by: Wei Fang <fangw...@huawei.com>
---
Documentation/scsi/scsi_eh.txt | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt
index 8638f61..e6d0de2 100644
--- a/Documentation/scsi/scsi_eh.txt
+++ b/Documentation/scsi/scsi_eh.txt
@@ -252,7 +252,7 @@ scmd->allowed.
- set scmd->eh_eflags
- add scmd to shost->eh_cmd_q
- set SHOST_RECOVERY
- - shost->host_failed++
+ - atomic_inc(&shost->host_failed)
LOCKING: shost->host_lock
2. EH starts
@@ -263,7 +263,7 @@ scmd->allowed.
3. scmd recovered
ACTION: scsi_eh_finish_cmd() is invoked to EH-finish scmd
- - shost->host_failed--
+ - atomic_dec(&shost->host_failed)
- clear scmd->eh_eflags
- scsi_setup_cmd_retry()
- move from local eh_work_q to local eh_done_q
--
1.7.1
--
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