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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-10-09 19:49:05 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-10-09 19:49:17 -0400 |
| commit | 1d68a6da59573436f139b93f17febb426578cd81 (patch) | |
| tree | e41002be02f0017c079c0e84a2680f36539b2cc9 /include/linux/closure.h | |
| parent | c4456b47148a5506606be73de3a736bce7508d95 (diff) | |
Update bcachefs sources to 3b80552e7057 bcachefs: __wait_for_freeing_inode: Switch to wait_bit_queue_entryv1.13.0
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'include/linux/closure.h')
| -rw-r--r-- | include/linux/closure.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/closure.h b/include/linux/closure.h index 2af44427..880fe85e 100644 --- a/include/linux/closure.h +++ b/include/linux/closure.h @@ -454,4 +454,39 @@ do { \ __closure_wait_event(waitlist, _cond); \ } while (0) +#define __closure_wait_event_timeout(waitlist, _cond, _until) \ +({ \ + struct closure cl; \ + long _t; \ + \ + closure_init_stack(&cl); \ + \ + while (1) { \ + closure_wait(waitlist, &cl); \ + if (_cond) { \ + _t = max_t(long, 1L, _until - jiffies); \ + break; \ + } \ + _t = max_t(long, 0L, _until - jiffies); \ + if (!_t) \ + break; \ + closure_sync_timeout(&cl, _t); \ + } \ + closure_wake_up(waitlist); \ + closure_sync(&cl); \ + _t; \ +}) + +/* + * Returns 0 if timeout expired, remaining time in jiffies (at least 1) if + * condition became true + */ +#define closure_wait_event_timeout(waitlist, _cond, _timeout) \ +({ \ + unsigned long _until = jiffies + _timeout; \ + (_cond) \ + ? max_t(long, 1L, _until - jiffies) \ + : __closure_wait_event_timeout(waitlist, _cond, _until);\ +}) + #endif /* _LINUX_CLOSURE_H */ |