The branch main has been updated by mjg:
URL:
https://cgit.FreeBSD.org/src/commit/?id=85c855d31b18d7a8ab534259f27444c81b6ec797
commit 85c855d31b18d7a8ab534259f27444c81b6ec797
Author: Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2021-09-30 10:49:51 +0000
Commit: Mateusz Guzik <m...@freebsd.org>
CommitDate: 2021-09-30 10:49:51 +0000
fd: add pwd_hold_proc
---
sys/kern/kern_descrip.c | 20 ++++++++++++++++++++
sys/sys/filedesc.h | 1 +
2 files changed, 21 insertions(+)
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 58c2d1939dba..755b5df51c6a 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -3791,6 +3791,26 @@ pwd_hold(struct thread *td)
return (pwd);
}
+struct pwd *
+pwd_hold_proc(struct proc *p)
+{
+ struct pwddesc *pdp;
+ struct pwd *pwd;
+
+ PROC_ASSERT_HELD(p);
+ PROC_LOCK(p);
+ pdp = pdhold(p);
+ MPASS(pdp != NULL);
+ PROC_UNLOCK(p);
+
+ PWDDESC_XLOCK(pdp);
+ pwd = pwd_hold_pwddesc(pdp);
+ MPASS(pwd != NULL);
+ PWDDESC_XUNLOCK(pdp);
+ pddrop(pdp);
+ return (pwd);
+}
+
static struct pwd *
pwd_alloc(void)
{
diff --git a/sys/sys/filedesc.h b/sys/sys/filedesc.h
index 7f18d8a2286c..f17fdf601ba1 100644
--- a/sys/sys/filedesc.h
+++ b/sys/sys/filedesc.h
@@ -341,6 +341,7 @@ void pwd_set_rootvnode(void);
struct pwd *pwd_hold_pwddesc(struct pwddesc *pdp);
bool pwd_hold_smr(struct pwd *pwd);
+struct pwd *pwd_hold_proc(struct proc *p);
struct pwd *pwd_hold(struct thread *td);
void pwd_drop(struct pwd *pwd);
static inline void
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