patch-2.4.20 linux-2.4.20/drivers/scsi/README.st
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- Lines: 30
- Date:
Thu Nov 28 15:53:14 2002
- Orig file:
linux-2.4.19/drivers/scsi/README.st
- Orig date:
Mon Feb 25 11:38:04 2002
diff -urN linux-2.4.19/drivers/scsi/README.st linux-2.4.20/drivers/scsi/README.st
@@ -2,7 +2,7 @@
The driver is currently maintained by Kai Mäkisara (email
Kai.Makisara@metla.fi)
-Last modified: Tue Feb 5 21:33:23 2002 by makisara
+Last modified: Tue Apr 16 22:32:10 2002 by makisara
BASICS
@@ -188,6 +188,8 @@
max_buffers=xxx the maximum number of tape buffer set to xxx
max_sg_segs=xxx the maximum number of scatter/gather
segments
+blocking_open=xxx block in open() if drive not ready, O_NONBLOCK
+ not used, and blocking_open non-zero
Note that if the buffer size is changed but the write threshold is not
set, the write threshold is set to the new buffer size - 2 kB.
@@ -395,6 +397,11 @@
The recovered write errors are considered fatal if ST_RECOVERED_WRITE_FATAL
is defined.
+By default, open() does not block if the drive is not ready. The
+behaviour can be changed by setting ST_BLOCKING_OPEN to one. The
+behaviour can be changed also with the boot/module option
+blocking_open. The blocking open times out after ST_BLOCK_SECONDS.
+
The maximum number of tape devices is determined by the define
ST_MAX_TAPES. If more tapes are detected at driver initialization, the
maximum is adjusted accordingly.
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