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Merge in Lite2: add whiteout flags to namei parameter descriptors

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add function prototype for relookup()
Spruce up number formatting.
Reviewed by:	davidg & bde
This commit is contained in:
Jeffrey Hsu 1996-03-11 02:25:04 +00:00
parent 45fe51e9d3
commit 61562f840f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=14512
1 changed files with 18 additions and 16 deletions
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34
sys/sys/namei.h
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@ -30,8 +30,8 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)namei.h 8.2 (Berkeley) 1/4/94
* $Id: namei.h,v 1.8 1995/08/28 09:19:06 julian Exp $
* @(#)namei.h 8.5 (Berkeley) 1/9/95
* $Id: namei.h,v 1.10 1996/02/26 18:40:44 hsu Exp $
*/
#ifndef _SYS_NAMEI_H_
@ -125,18 +125,20 @@ struct nameidata {
* name being sought. The caller is responsible for releasing the
* buffer and for vrele'ing ni_startdir.
*/
#define NOCROSSMOUNT 0x00100 /* do not cross mount points */
#define RDONLY 0x00200 /* lookup with read-only semantics */
#define HASBUF 0x00400 /* has allocated pathname buffer */
#define SAVENAME 0x00800 /* save pathname buffer */
#define SAVESTART 0x01000 /* save starting directory */
#define ISDOTDOT 0x02000 /* current component name is .. */
#define MAKEENTRY 0x04000 /* entry is to be added to name cache */
#define ISLASTCN 0x08000 /* this is last component of pathname */
#define ISSYMLINK 0x10000 /* symlink needs interpretation */
#define WILLBEDIR 0x20000 /* new files will be dirs; allow trailing / */
#define ISUNICODE 0x40000 /* current component name is unicode*/
#define PARAMASK 0xfff00 /* mask of parameter descriptors */
#define NOCROSSMOUNT 0x000100 /* do not cross mount points */
#define RDONLY 0x000200 /* lookup with read-only semantics */
#define HASBUF 0x000400 /* has allocated pathname buffer */
#define SAVENAME 0x000800 /* save pathname buffer */
#define SAVESTART 0x001000 /* save starting directory */
#define ISDOTDOT 0x002000 /* current component name is .. */
#define MAKEENTRY 0x004000 /* entry is to be added to name cache */
#define ISLASTCN 0x008000 /* this is last component of pathname */
#define ISSYMLINK 0x010000 /* symlink needs interpretation */
#define ISWHITEOUT 0x020000 /* found whiteout */
#define DOWHITEOUT 0x040000 /* do whiteouts */
#define WILLBEDIR 0x080000 /* new files will be dirs; allow trailing / */
#define ISUNICODE 0x100000 /* current component name is unicode*/
#define PARAMASK 0x1fff00 /* mask of parameter descriptors */
/*
* Initialization of an nameidata structure.
*/
@ -163,8 +165,8 @@ struct nameidata {
#endif
struct namecache {
LIST_ENTRY(namecache) nc_hash; /* hash chain */
TAILQ_ENTRY(namecache) nc_lru; /* LRU chain */
LIST_ENTRY(namecache) nc_hash; /* hash chain */
TAILQ_ENTRY(namecache) nc_lru; /* LRU chain */
struct vnode *nc_dvp; /* vnode of parent of name */
u_long nc_dvpid; /* capability number of nc_dvp */
struct vnode *nc_vp; /* vnode the name refers to */