diff options
Diffstat (limited to 'Documentation/scsi/scsi_eh.txt')
| -rw-r--r-- | Documentation/scsi/scsi_eh.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt index 37eca00796ee..4edb9c1cbef5 100644 --- a/Documentation/scsi/scsi_eh.txt +++ b/Documentation/scsi/scsi_eh.txt @@ -105,11 +105,14 @@ function 2. If the host supports asynchronous completion (as indicated by the no_async_abort setting in the host template) scsi_abort_command() - is invoked to schedule an asynchrous abort. If that fails - Step #3 is taken. + is invoked to schedule an asynchrous abort. + Asynchronous abort are not invoked for commands which the + SCSI_EH_ABORT_SCHEDULED flag is set (this indicates that the command + already had been aborted once, and this is a retry which failed), + or when the EH deadline is expired. In these case Step #3 is taken. - 2. scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD) is invoked for the - command. See [1-3] for more information. + 3. scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD) is invoked for the + command. See [1-4] for more information. [1-3] Asynchronous command aborts @@ -263,7 +266,6 @@ scmd->allowed. 3. scmd recovered ACTION: scsi_eh_finish_cmd() is invoked to EH-finish scmd - - clear scmd->eh_eflags - scsi_setup_cmd_retry() - move from local eh_work_q to local eh_done_q LOCKING: none @@ -456,8 +458,6 @@ except for #1 must be implemented by eh_strategy_handler(). - shost->host_failed is zero. - - Each scmd's eh_eflags field is cleared. - - Each scmd is in such a state that scsi_setup_cmd_retry() on the scmd doesn't make any difference. |