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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-01 14:45:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-10-01 14:45:23 -0700 |
| commit | 53d5fc89d66a778577295020dc57bb3ccec84354 (patch) | |
| tree | a95c78d247bf3e3c1b07984049b0d6ba15a47047 /drivers/s390/cio/css.h | |
| parent | thermal: Update information in MAINTAINERS (diff) | |
| parent | s390/cio: avoid excessive path-verification requests (diff) | |
| download | linux-dev-53d5fc89d66a778577295020dc57bb3ccec84354.tar.xz linux-dev-53d5fc89d66a778577295020dc57bb3ccec84354.zip | |
Merge tag 's390-5.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fix from Vasily Gorbik:
"One fix for 5.15-rc4: Avoid CIO excessive path-verification requests,
which might cause unwanted delays"
* tag 's390-5.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: avoid excessive path-verification requests
Diffstat (limited to 'drivers/s390/cio/css.h')
| -rw-r--r-- | drivers/s390/cio/css.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index c98522cbe276..ede0b905bc6f 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -34,6 +34,14 @@ #define SNID_STATE3_MULTI_PATH 1 #define SNID_STATE3_SINGLE_PATH 0 +/* + * Conditions used to specify which subchannels need evaluation + */ +enum css_eval_cond { + CSS_EVAL_UNREG, /* unregistered subchannels */ + CSS_EVAL_NOT_ONLINE /* sch without an online-device */ +}; + struct path_state { __u8 state1 : 2; /* path state value 1 */ __u8 state2 : 2; /* path state value 2 */ @@ -136,7 +144,7 @@ static inline struct channel_subsystem *css_by_id(u8 cssid) /* Helper functions to build lists for the slow path. */ void css_schedule_eval(struct subchannel_id schid); void css_schedule_eval_all(void); -void css_schedule_eval_all_unreg(unsigned long delay); +void css_schedule_eval_cond(enum css_eval_cond, unsigned long delay); int css_complete_work(void); int sch_is_pseudo_sch(struct subchannel *); |