Author: mjg
Date: Sat Aug 1 06:33:11 2020
New Revision: 363753
URL: https://svnweb.freebsd.org/changeset/base/363753
Log:
vfs: convert ni_rigthsneeded to a pointer
Shaves 8 bytes of struct nameidata on 64-bit platforms.
Modified:
head/sys/kern/vfs_lookup.c
head/sys/sys/namei.h
Modified: head/sys/kern/vfs_lookup.c
==============================================================================
--- head/sys/kern/vfs_lookup.c Sat Aug 1 06:32:25 2020 (r363752)
+++ head/sys/kern/vfs_lookup.c Sat Aug 1 06:33:11 2020 (r363753)
@@ -347,7 +347,7 @@ namei_setup(struct nameidata *ndp, struct vnode **dpp,
*dpp = pwd->pwd_cdir;
vrefact(*dpp);
} else {
- rights = ndp->ni_rightsneeded;
+ rights = *ndp->ni_rightsneeded;
cap_rights_set_one(&rights, CAP_LOOKUP);
if (cnp->cn_flags & AUDITVNODE1)
@@ -403,7 +403,7 @@ namei_setup(struct nameidata *ndp, struct vnode **dpp,
ndp->ni_beneath_latch = pwd->pwd_cdir;
vrefact(ndp->ni_beneath_latch);
} else {
- rights = ndp->ni_rightsneeded;
+ rights = *ndp->ni_rightsneeded;
cap_rights_set_one(&rights, CAP_LOOKUP);
error = fgetvp_rights(td, ndp->ni_dirfd, &rights,
&dirfd_caps, &ndp->ni_beneath_latch);
@@ -1381,7 +1381,7 @@ NDINIT_ALL(struct nameidata *ndp, u_long op, u_long fl
ndp->ni_resflags = 0;
filecaps_init(&ndp->ni_filecaps);
ndp->ni_cnd.cn_thread = td;
- ndp->ni_rightsneeded = *rightsp;
+ ndp->ni_rightsneeded = rightsp;
}
/*
Modified: head/sys/sys/namei.h
==============================================================================
--- head/sys/sys/namei.h Sat Aug 1 06:32:25 2020 (r363752)
+++ head/sys/sys/namei.h Sat Aug 1 06:33:11 2020 (r363753)
@@ -69,7 +69,7 @@ struct nameidata {
*/
const char *ni_dirp; /* pathname pointer */
enum uio_seg ni_segflg; /* location of pathname */
- cap_rights_t ni_rightsneeded; /* rights required to look up vnode */
+ cap_rights_t *ni_rightsneeded; /* rights required to look up vnode */
/*
* Arguments to lookup.
*/
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