diff options
Diffstat (limited to 'Documentation/s390/CommonIO')
-rw-r--r-- | Documentation/s390/CommonIO | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index 339207d11d95..d378cba66456 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO | |||
@@ -87,6 +87,12 @@ Command line parameters | |||
87 | compatibility, by the device number in hexadecimal (0xabcd or abcd). Device | 87 | compatibility, by the device number in hexadecimal (0xabcd or abcd). Device |
88 | numbers given as 0xabcd will be interpreted as 0.0.abcd. | 88 | numbers given as 0xabcd will be interpreted as 0.0.abcd. |
89 | 89 | ||
90 | * /proc/cio_settle | ||
91 | |||
92 | A write request to this file is blocked until all queued cio actions are | ||
93 | handled. This will allow userspace to wait for pending work affecting | ||
94 | device availability after changing cio_ignore or the hardware configuration. | ||
95 | |||
90 | * For some of the information present in the /proc filesystem in 2.4 (namely, | 96 | * For some of the information present in the /proc filesystem in 2.4 (namely, |
91 | /proc/subchannels and /proc/chpids), see driver-model.txt. | 97 | /proc/subchannels and /proc/chpids), see driver-model.txt. |
92 | Information formerly in /proc/irq_count is now in /proc/interrupts. | 98 | Information formerly in /proc/irq_count is now in /proc/interrupts. |