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vfs: inline NDINIT_ALL

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The routine takes more than 6 arguments, which on amd64 means some of
them have to be passed through the stack.
This commit is contained in:
Mateusz Guzik 2020-08-01 06:33:38 +00:00
parent 14576629bb
commit 85cf316172
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363754
2 changed files with 16 additions and 22 deletions
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19
sys/kern/vfs_lookup.c
View File

@ -1365,25 +1365,6 @@ relookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp)
return (error);
}
void
NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags, enum uio_seg segflg,
const char *namep, int dirfd, struct vnode *startdir, cap_rights_t *rightsp,
struct thread *td)
{
MPASS(rightsp != NULL);
ndp->ni_cnd.cn_nameiop = op;
ndp->ni_cnd.cn_flags = flags;
ndp->ni_segflg = segflg;
ndp->ni_dirp = namep;
ndp->ni_dirfd = dirfd;
ndp->ni_startdir = startdir;
ndp->ni_resflags = 0;
filecaps_init(&ndp->ni_filecaps);
ndp->ni_cnd.cn_thread = td;
ndp->ni_rightsneeded = rightsp;
}
/*
* Free data allocated by namei(); see namei(9) for details.
*/

19
sys/sys/namei.h
View File

@ -196,9 +196,22 @@ int cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status,
#define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, &cap_no_rights, td)
void NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags,
enum uio_seg segflg, const char *namep, int dirfd, struct vnode *startdir,
cap_rights_t *rightsp, struct thread *td);
#define NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, startdir, rightsp, td) \
do { \
struct nameidata *_ndp = (ndp); \
cap_rights_t *_rightsp = (rightsp); \
MPASS(_rightsp != NULL); \
_ndp->ni_cnd.cn_nameiop = op; \
_ndp->ni_cnd.cn_flags = flags; \
_ndp->ni_segflg = segflg; \
_ndp->ni_dirp = namep; \
_ndp->ni_dirfd = dirfd; \
_ndp->ni_startdir = startdir; \
_ndp->ni_resflags = 0; \
filecaps_init(&_ndp->ni_filecaps); \
_ndp->ni_cnd.cn_thread = td; \
_ndp->ni_rightsneeded = _rightsp; \
} while (0)
#define NDF_NO_DVP_RELE 0x00000001
#define NDF_NO_DVP_UNLOCK 0x00000002