Date: Mon, 22 Jul 2002 21:10:25 -0700 (PDT) From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 14758 for review Message-ID: <200207230410.g6N4APWa063750@freefall.freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=14758 Change 14758 by rwatson@rwatson_paprika on 2002/07/22 21:09:35 Correctly spell VCACHEDLABEL due to a mismerge. Modify cache hit measurement to handle all cases not just the EA case, since that's no longer accurate. I'll export them from sysctls tomorrow. Affected files ... .. //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#188 edit Differences ... ==== //depot/projects/trustedbsd/mac/sys/kern/kern_mac.c#188 (text+ko) ==== @@ -134,14 +134,8 @@ TUNABLE_INT("security.mac.cache_fslabel_in_vnode", &mac_cache_fslabel_in_vnode); -static unsigned int mac_ea_cache_hits = 0; -SYSCTL_UINT(_security_mac, OID_AUTO, ea_cache_hits, CTLFLAG_RD, - &mac_ea_cache_hits, 0, - "How often cached label can be used for EA backing"); -static unsigned int mac_ea_cache_misses = 0; -SYSCTL_UINT(_security_mac, OID_AUTO, ea_cache_misses, CTLFLAG_RD, - &mac_ea_cache_misses, 0, - "How often cached label cannot be used for EA backing"); +static int mac_vnode_label_cache_hit = 0; +static int mac_vnode_label_cache_miss = 0; static int error_select(int error1, int error2); static int mac_externalize(struct label *label, struct mac *mac); @@ -973,12 +967,6 @@ ASSERT_VOP_LOCKED(vp, "vop_stdrefreshlabel_ea"); - if (vp->v_flag & VCACHEDLABEL) { - mac_ea_cache_hits++; - return (0); - } else - mac_ea_cache_misses++; - /* * Call out to external policies first. Order doesn't really * matter, as long as failure of one assures failure of all. @@ -1067,8 +1055,11 @@ return (EBADF); } - if (mac_cache_fslabel_in_vnode) + if (vp->v_flag & VCACHEDLABEL) { + mac_vnode_label_cache_hit++; return (0); + } else + mac_vnode_label_cache_miss++; if ((vp->v_mount->mnt_flag & MNT_MULTILABEL) == 0) { mac_update_vnode_from_mount(vp, vp->v_mount); To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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