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| author | Dan Horák <dan@danny.cz> | 2011-02-01 14:12:19 +0100 |
|---|---|---|
| committer | Dan Horák <dan@danny.cz> | 2011-02-01 14:12:19 +0100 |
| commit | 95b3d22735edc950c2bf741513b4700502990037 (patch) | |
| tree | 2120364caa3aef61bf6cdaec3b74639caf810c6e | |
| parent | cd21d27a438a086bb86c1b06890b18398de1a654 (diff) | |
| download | utils-95b3d22735edc950c2bf741513b4700502990037.tar.gz utils-95b3d22735edc950c2bf741513b4700502990037.tar.xz utils-95b3d22735edc950c2bf741513b4700502990037.zip | |
use the /proc/cio_settle interface to wait until devices become online
The /proc/cio_settle interface (if available) is used to wait until
devices become online. It should seedup the whole process of unblocking
devices and also solves situations when non-existent devices are
unblocked and timeout is reached when waiting for every such device.
| -rw-r--r-- | device_cio_free | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/device_cio_free b/device_cio_free index 416224b..3367ba1 100644 --- a/device_cio_free +++ b/device_cio_free @@ -26,6 +26,7 @@ DASDCONFIG=/etc/dasd.conf ZFCPCONFIG=/etc/zfcp.conf ZNETCONFIG=/etc/ccw.conf BLACKLIST=/proc/cio_ignore +CIO_SETTLE=/proc/cio_settle VERBOSE= PATH=/bin:/sbin DEVICE= # list of devices given on command line @@ -302,4 +303,9 @@ fi [ -z "$ALL_DEVICES" ] && exit 0 -wait_on_devices +if [ -w $CIO_SETTLE ]; then + [ $VERBOSE ] && echo "Waiting until all pending CIO requests are processed" + echo 1 > $CIO_SETTLE +else + wait_on_devices +fi |