Date: Sun, 21 Dec 2014 13:32:08 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r276008 - in head/sys: kern sys Message-ID: <201412211332.sBLDW8VC030548@svn.freebsd.org>
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Author: kib Date: Sun Dec 21 13:32:07 2014 New Revision: 276008 URL: https://svnweb.freebsd.org/changeset/base/276008 Log: 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. Requested by: rpaulo Tested by: pho (previous version) Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Modified: head/sys/kern/kern_sig.c head/sys/kern/vfs_vnops.c head/sys/sys/vnode.h Modified: head/sys/kern/kern_sig.c ============================================================================== --- head/sys/kern/kern_sig.c Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/kern/kern_sig.c Sun Dec 21 13:32:07 2014 (r276008) @@ -3167,7 +3167,8 @@ 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: head/sys/kern/vfs_vnops.c ============================================================================== --- head/sys/kern/vfs_vnops.c Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/kern/vfs_vnops.c Sun Dec 21 13:32:07 2014 (r276008) @@ -217,6 +217,8 @@ 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: head/sys/sys/vnode.h ============================================================================== --- head/sys/sys/vnode.h Sun Dec 21 13:29:33 2014 (r276007) +++ head/sys/sys/vnode.h Sun Dec 21 13:32:07 2014 (r276008) @@ -580,6 +580,7 @@ typedef void vop_getpages_iodone_t(void /* 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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