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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2010-10-25 16:10:31 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 16:10:18 +0200 |
| commit | c38a90a34cfc880eb2f7234c511cdb7d8bdebc45 (patch) | |
| tree | cf10e8b31b59c3f4734fd8254468f4cc83efdcaf /drivers/s390/cio/chsc.c | |
| parent | [S390] chsc: use the global page to determine the chp desriptor (diff) | |
| download | linux-dev-c38a90a34cfc880eb2f7234c511cdb7d8bdebc45.tar.xz linux-dev-c38a90a34cfc880eb2f7234c511cdb7d8bdebc45.zip | |
[S390] cio: update descriptor in chsc_chp_vary
Update the channel path descriptor at the beginning of to the
vary_on operation.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.c')
| -rw-r--r-- | drivers/s390/cio/chsc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 27aca3906a53..44d7cc2f9738 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -495,6 +495,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data) */ int chsc_chp_vary(struct chp_id chpid, int on) { + struct channel_path *chp = chpid_to_chp(chpid); struct chp_link link; memset(&link, 0, sizeof(struct chp_link)); @@ -504,11 +505,12 @@ int chsc_chp_vary(struct chp_id chpid, int on) /* * Redo PathVerification on the devices the chpid connects to */ - - if (on) + if (on) { + /* Try to update the channel path descritor. */ + chsc_determine_base_channel_path_desc(chpid, &chp->desc); for_each_subchannel_staged(s390_subchannel_vary_chpid_on, __s390_vary_chpid_on, &link); - else + } else for_each_subchannel_staged(s390_subchannel_vary_chpid_off, NULL, &link); |