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Differential D2808 Diff 6181 sys/sys/namei.h

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sys/sys/namei.h

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#define ISUNICODE 0x00100000 /* current component name is unicode*/ #define ISUNICODE 0x00100000 /* current component name is unicode*/
#define ISOPEN 0x00200000 /* caller is opening; return a real vnode. */ #define ISOPEN 0x00200000 /* caller is opening; return a real vnode. */
#define NOCROSSMOUNT 0x00400000 /* do not cross mount points */ #define NOCROSSMOUNT 0x00400000 /* do not cross mount points */
#define NOMACCHECK 0x00800000 /* do not perform MAC checks */ #define NOMACCHECK 0x00800000 /* do not perform MAC checks */
#define AUDITVNODE1 0x04000000 /* audit the looked up vnode information */ #define AUDITVNODE1 0x04000000 /* audit the looked up vnode information */
#define AUDITVNODE2 0x08000000 /* audit the looked up vnode information */ #define AUDITVNODE2 0x08000000 /* audit the looked up vnode information */
#define TRAILINGSLASH 0x10000000 /* path ended in a slash */ #define TRAILINGSLASH 0x10000000 /* path ended in a slash */
#define NOCAPCHECK 0x20000000 /* do not perform capability checks */ #define NOCAPCHECK 0x20000000 /* do not perform capability checks */
#define PARAMASK 0x3ffffe00 /* mask of parameter descriptors */ #define BENEATH 0x40000000 /* strict downwards-only lookup */
#define PARAMASK 0x7ffffe00 /* mask of parameter descriptors */
drysdale_google.comUnsubmitted
Done
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I couldn't see where this is used - is it needed?

drysdale_google.com: I couldn't see where this is used - is it needed?
jonathanAuthorUnsubmitted
Done
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You are quite right: that was only needed in my very first patch version. I'll remove it.

jonathan: You are quite right: that was only needed in my very first patch version. I'll remove it.
/* /*
* Initialization of a nameidata structure. * Initialization of a nameidata structure.
*/ */
#define NDINIT(ndp, op, flags, segflg, namep, td) \ #define NDINIT(ndp, op, flags, segflg, namep, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, NULL, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, NULL, 0, td)
#define NDINIT_AT(ndp, op, flags, segflg, namep, dirfd, td) \ #define NDINIT_AT(ndp, op, flags, segflg, namep, dirfd, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, 0, td)
#define NDINIT_ATRIGHTS(ndp, op, flags, segflg, namep, dirfd, rightsp, td) \ #define NDINIT_ATRIGHTS(ndp, op, flags, segflg, namep, dirfd, rightsp, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, rightsp, td) NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, rightsp, td)
#define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \ #define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \
NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, 0, td) NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, 0, td)
void NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags, void NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags,
enum uio_seg segflg, const char *namep, int dirfd, struct vnode *startdir, enum uio_seg segflg, const char *namep, int dirfd, struct vnode *startdir,
cap_rights_t *rightsp, struct thread *td); cap_rights_t *rightsp, struct thread *td);
/*
* Set the ni_strictrelative field of a struct nameidata according to a
* monotonically-increasing policy.
emasteUnsubmitted
Done
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This just seems to describe ndrequire_strict_relative_lookups's implementation, and I'm not sure it would help my understanding of this functionality without the full context of this change.

emaste: This just seems to describe `ndrequire_strict_relative_lookups`'s implementation, and I'm not…
jonathanAuthorUnsubmitted
Done
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I'm going to change this by removing the function and just setting the fields in the appropriate places. The logic will be unconditional in one place and if (foo != EPERM) in two, so it's probably not worth the cost of this only-inlineable-with-LTO function call.

jonathan: I'm going to change this by removing the function and just setting the fields in the…
*/
void ndrequire_strict_relative_lookups(struct nameidata*, int errnum);
#define NDF_NO_DVP_RELE 0x00000001 #define NDF_NO_DVP_RELE 0x00000001
#define NDF_NO_DVP_UNLOCK 0x00000002 #define NDF_NO_DVP_UNLOCK 0x00000002
#define NDF_NO_DVP_PUT 0x00000003 #define NDF_NO_DVP_PUT 0x00000003
#define NDF_NO_VP_RELE 0x00000004 #define NDF_NO_VP_RELE 0x00000004
#define NDF_NO_VP_UNLOCK 0x00000008 #define NDF_NO_VP_UNLOCK 0x00000008
#define NDF_NO_VP_PUT 0x0000000c #define NDF_NO_VP_PUT 0x0000000c
#define NDF_NO_STARTDIR_RELE 0x00000010 #define NDF_NO_STARTDIR_RELE 0x00000010
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