Differential D17714 Diff 49694 sys/sys/namei.h

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sys/sys/namei.h

Show First 20 Lines • Show All 94 Lines • ▼ Show 20 Lines	struct nameidata {
u_int ni_loopcnt; /* count of symlinks encountered */		u_int ni_loopcnt; /* count of symlinks encountered */
/*		/*
* Lookup parameters: this structure describes the subset of		* Lookup parameters: this structure describes the subset of
* information from the nameidata structure that is passed		* information from the nameidata structure that is passed
* through the VOP interface.		* through the VOP interface.
*/		*/
struct componentname ni_cnd;		struct componentname ni_cnd;
struct nameicap_tracker_head ni_cap_tracker;		struct nameicap_tracker_head ni_cap_tracker;
		struct vnode *ni_beneath_latch;
};		};

#ifdef _KERNEL		#ifdef _KERNEL
/*		/*
* namei operations		* namei operations
*/		*/
#define LOOKUP 0 /* perform name lookup only */		#define LOOKUP 0 /* perform name lookup only */
#define CREATE 1 /* setup for file creation */		#define CREATE 1 /* setup for file creation */
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#define NOCAPCHECK 0x20000000 /* do not perform capability checks */		#define NOCAPCHECK 0x20000000 /* do not perform capability checks */
#define PARAMASK 0x3ffffe00 /* mask of parameter descriptors */		#define PARAMASK 0x3ffffe00 /* mask of parameter descriptors */

/*		/*
* Flags in ni_lcf, valid for the duration of the namei call.		* Flags in ni_lcf, valid for the duration of the namei call.
*/		*/
#define NI_LCF_STRICTRELATIVE 0x0001 /* relative lookup only */		#define NI_LCF_STRICTRELATIVE 0x0001 /* relative lookup only */
#define NI_LCF_CAP_DOTDOT 0x0002 /* ".." in strictrelative case */		#define NI_LCF_CAP_DOTDOT 0x0002 /* ".." in strictrelative case */
		#define NI_LCF_BENEATH_ABS 0x0004 /* BENEATH with absolute path */
		#define NI_LCF_BENEATH_LATCHED 0x0008 /* BENEATH_ABS traversed starting dir */
		#define NI_LCF_LATCH 0x0010 /* ni_beneath_latch valid */

/*		/*
* 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)
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