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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2009-09-22 22:58:35 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-09-22 22:58:41 +0200 |
| commit | 8ea7f5590142c0b9ab319aa3cae85cf430a207d8 (patch) | |
| tree | a23b12fbfe51077cc8df6694f4ab7225462b657d /drivers/s390/cio/css.h | |
| parent | 255305536c1b56ad09590f1400fb2c788265e34e (diff) | |
| download | op-kernel-dev-8ea7f5590142c0b9ab319aa3cae85cf430a207d8.zip op-kernel-dev-8ea7f5590142c0b9ab319aa3cae85cf430a207d8.tar.gz | |
[S390] cio: introduce css_settle
Introduce the css_driver callback settle which can be implemented
by a subchannel driver to wait for the subchannel type specific
asynchronous work to finish.
In channel_subsystem_init_sync we call that for each subchannel
driver.
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/css.h')
| -rw-r--r-- | drivers/s390/cio/css.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 9763eee..54acdaa 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -75,6 +75,7 @@ struct chp_link; * @freeze: callback for freezing during hibernation snapshotting * @thaw: undo work done in @freeze * @restore: callback for restoring after hibernation + * @settle: wait for asynchronous work to finish * @name: name of the device driver */ struct css_driver { @@ -92,6 +93,7 @@ struct css_driver { int (*freeze)(struct subchannel *); int (*thaw) (struct subchannel *); int (*restore)(struct subchannel *); + void (*settle)(void); const char *name; }; |
