Date: Sun, 4 Jan 2015 00:49:46 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r276649 - in stable/10/sys: kern sys Message-ID: <201501040049.t040nkoj075579@svn.freebsd.org>
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Author: kib Date: Sun Jan 4 00:49:45 2015 New Revision: 276649 URL: https://svnweb.freebsd.org/changeset/base/276649 Log: MFC r276008: Add VN_OPEN_NAMECACHE flag for vn_open_cred(9), which requests that the created file name was cached. Use the flag for core dumps. Modified: stable/10/sys/kern/kern_sig.c stable/10/sys/kern/vfs_vnops.c stable/10/sys/sys/vnode.h Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/kern/kern_sig.c ============================================================================== --- stable/10/sys/kern/kern_sig.c Sun Jan 4 00:46:06 2015 (r276648) +++ stable/10/sys/kern/kern_sig.c Sun Jan 4 00:49:45 2015 (r276649) @@ -3177,7 +3177,8 @@ corefile_open(const char *comm, uid_t ui sbuf_delete(&sb); cmode = S_IRUSR | S_IWUSR; - oflags = VN_OPEN_NOAUDIT | (capmode_coredump ? VN_OPEN_NOCAPCHECK : 0); + oflags = VN_OPEN_NOAUDIT | VN_OPEN_NAMECACHE | + (capmode_coredump ? VN_OPEN_NOCAPCHECK : 0); /* * If the core format has a %I in it, then we need to check Modified: stable/10/sys/kern/vfs_vnops.c ============================================================================== --- stable/10/sys/kern/vfs_vnops.c Sun Jan 4 00:46:06 2015 (r276648) +++ stable/10/sys/kern/vfs_vnops.c Sun Jan 4 00:49:45 2015 (r276649) @@ -215,6 +215,8 @@ restart: return (error); goto restart; } + if ((vn_open_flags & VN_OPEN_NAMECACHE) != 0) + ndp->ni_cnd.cn_flags |= MAKEENTRY; #ifdef MAC error = mac_vnode_check_create(cred, ndp->ni_dvp, &ndp->ni_cnd, vap); Modified: stable/10/sys/sys/vnode.h ============================================================================== --- stable/10/sys/sys/vnode.h Sun Jan 4 00:46:06 2015 (r276648) +++ stable/10/sys/sys/vnode.h Sun Jan 4 00:49:45 2015 (r276649) @@ -577,6 +577,7 @@ vn_canvmio(struct vnode *vp) /* vn_open_flags */ #define VN_OPEN_NOAUDIT 0x00000001 #define VN_OPEN_NOCAPCHECK 0x00000002 +#define VN_OPEN_NAMECACHE 0x00000004 /* * Public vnode manipulation functions.
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