Date: Mon, 11 Oct 2021 09:15:53 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: e6014341647f - stable/13 - fd: add pwd_hold_proc Message-ID: <202110110915.19B9FrTl009578@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=e6014341647f9a45dab9d09f57d475c50137e6b6 commit e6014341647f9a45dab9d09f57d475c50137e6b6 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-09-30 10:49:51 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2021-10-11 09:13:03 +0000 fd: add pwd_hold_proc (cherry picked from commit 85c855d31b18d7a8ab534259f27444c81b6ec797) --- 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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