add system wide cacheing of path names in namei() (from kre)

[unix-history] / usr / src / sys / ufs / lfs / lfs_vfsops.c

diff --git a/usr/src/sys/ufs/lfs/lfs_vfsops.c b/usr/src/sys/ufs/lfs/lfs_vfsops.c
index b6d168b..4638161 100644 (file)
--- a/usr/src/sys/ufs/lfs/lfs_vfsops.c
+++ b/usr/src/sys/ufs/lfs/lfs_vfsops.c
@@ -1,4 +1,4 @@
-/*     lfs_vfsops.c    6.1     83/07/29        */
+/*     lfs_vfsops.c    6.2     84/01/03        */

 
 #include "../h/param.h"
 #include "../h/systm.h"
 
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -30,7 +30,7 @@ smount()
        if (u.u_error)
                return;
        u.u_dirp = (caddr_t)uap->freg;
        if (u.u_error)
                return;
        u.u_dirp = (caddr_t)uap->freg;

-       ip = namei(uchar, LOOKUP, 1);
+       ip = namei(uchar, LOOKUP | NOCACHE, 1);

        if (ip == NULL)
                return;
        if (ip->i_count!=1 || (ip->i_mode&IFMT) != IFDIR) {
        if (ip == NULL)
                return;
        if (ip->i_count!=1 || (ip->i_mode&IFMT) != IFDIR) {


@@ -165,6 +165,7 @@ unmount1(forcibly)
        return (EINVAL);
 found:
        xumount(dev);   /* remove unused sticky files from text table */
        return (EINVAL);
 found:
        xumount(dev);   /* remove unused sticky files from text table */

+       nchinval(dev);  /* flush the name cache */

        update();
 #ifdef QUOTA
        if ((stillopen = iflush(dev, mp->m_qinod)) < 0 && !forcibly)
        update();
 #ifdef QUOTA
        if ((stillopen = iflush(dev, mp->m_qinod)) < 0 && !forcibly)