Date: Tue, 15 Jan 2019 00:35:20 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343027 - in head/sys: kern sys Message-ID: <201901150035.x0F0ZK6d009893@repo.freebsd.org>
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Author: glebius Date: Tue Jan 15 00:35:19 2019 New Revision: 343027 URL: https://svnweb.freebsd.org/changeset/base/343027 Log: Add flag LK_NEW for lockinit() that is converted to LO_NEW and passed down to lock_init(). This allows for lockinit() on a not prezeroed memory. Modified: head/sys/kern/kern_lock.c head/sys/sys/lockmgr.h Modified: head/sys/kern/kern_lock.c ============================================================================== --- head/sys/kern/kern_lock.c Tue Jan 15 00:02:06 2019 (r343026) +++ head/sys/kern/kern_lock.c Tue Jan 15 00:35:19 2019 (r343027) @@ -450,6 +450,8 @@ lockinit(struct lock *lk, int pri, const char *wmesg, iflags |= LO_QUIET; if (flags & LK_IS_VNODE) iflags |= LO_IS_VNODE; + if (flags & LK_NEW) + iflags |= LO_NEW; iflags |= flags & (LK_ADAPTIVE | LK_NOSHARE); lock_init(&lk->lock_object, &lock_class_lockmgr, wmesg, NULL, iflags); Modified: head/sys/sys/lockmgr.h ============================================================================== --- head/sys/sys/lockmgr.h Tue Jan 15 00:02:06 2019 (r343026) +++ head/sys/sys/lockmgr.h Tue Jan 15 00:35:19 2019 (r343027) @@ -143,7 +143,7 @@ _lockmgr_args_rw(struct lock *lk, u_int flags, struct /* * Flags for lockinit(). */ -#define LK_INIT_MASK 0x0000FF +#define LK_INIT_MASK 0x0001FF #define LK_CANRECURSE 0x000001 #define LK_NODUP 0x000002 #define LK_NOPROFILE 0x000004 @@ -152,6 +152,7 @@ _lockmgr_args_rw(struct lock *lk, u_int flags, struct #define LK_QUIET 0x000020 #define LK_ADAPTIVE 0x000040 #define LK_IS_VNODE 0x000080 /* Tell WITNESS about a VNODE lock */ +#define LK_NEW 0x000100 /* * Additional attributes to be used in lockmgr().
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