[PATCH v19 13/40] dept: apply sdt_might_sleep_{start,end}() to hashed-waitqueue wait
Byungchul Park <[email protected]>
| Newsgroups | gmane.linux.kernel.cross-arch,gmane.linux.kernel,gmane.linux.ide,gmane.comp.file-systems.ext4,gmane.linux.kernel.mm,gmane.linux.block,gmane.linux.file-systems,gmane.comp.video.dri.devel,gmane.linux.network,gmane.linux.documentation,gmane.linux.ports.arm.kernel,gmane.linux.drivers.video-input-infrastructure,gmane.linux.drivers.i2c,gmane.linux.kernel.modules,gmane.linux.nfs,gmane.linux.kernel.rust |
|---|---|
| Message-ID | <[email protected]> |
Make dept able to track dependencies by hashed-waitqueue waits. Signed-off-by: Byungchul Park <[email protected]> --- include/linux/wait_bit.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h index 9e29d79fc790..179a616ad245 100644 --- a/include/linux/wait_bit.h +++ b/include/linux/wait_bit.h @@ -6,6 +6,7 @@ * Linux wait-bit related types and methods: */ #include <linux/wait.h> +#include <linux/dept_sdt.h> struct wait_bit_key { unsigned long *flags; @@ -257,6 +258,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); struct wait_bit_queue_entry __wbq_entry; \ long __ret = ret; /* explicit shadow */ \ \ + sdt_might_sleep_start(NULL); \ init_wait_var_entry(&__wbq_entry, var, \ exclusive ? WQ_FLAG_EXCLUSIVE : 0); \ for (;;) { \ @@ -274,6 +276,7 @@ extern wait_queue_head_t *__var_waitqueue(void *p); cmd; \ } \ finish_wait(__wq_head, &__wbq_entry.wq_entry); \ + sdt_might_sleep_end(); \ __out: __ret; \ }) -- 2.17.1