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vfs: mark HASBUF as an internal flag

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There is no setter for cn_pnbuf.
This commit is contained in:
mjg 2020-08-16 17:55:20 +00:00
parent 114cb0aa23
commit acda774c8b
2 changed files with 16 additions and 16 deletions
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3
sys/kern/vfs_lookup.c
View File

@ -504,8 +504,7 @@ namei(struct nameidata *ndp)
* Get a buffer for the name to be translated, and copy the
* name into the buffer.
*/
if ((cnp->cn_flags & HASBUF) == 0)
cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK);
cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK);
if (ndp->ni_segflg == UIO_SYSSPACE)
error = copystr(ndp->ni_dirp, cnp->cn_pnbuf, MAXPATHLEN,
&ndp->ni_pathlen);

29
sys/sys/namei.h
View File

@ -149,21 +149,21 @@ int cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status,
* buffer and for vrele'ing ni_startdir.
*/
#define RDONLY 0x00000200 /* lookup with read-only semantics */
#define HASBUF 0x00000400 /* has allocated pathname buffer */
#define SAVENAME 0x00000800 /* save pathname buffer */
#define SAVESTART 0x00001000 /* save starting directory */
#define ISWHITEOUT 0x00002000 /* found whiteout */
#define DOWHITEOUT 0x00004000 /* do whiteouts */
#define WILLBEDIR 0x00008000 /* new files will be dirs; allow trailing / */
#define ISOPEN 0x00010000 /* caller is opening; return a real vnode. */
#define NOCROSSMOUNT 0x00020000 /* do not cross mount points */
#define NOMACCHECK 0x00040000 /* do not perform MAC checks */
#define AUDITVNODE1 0x00080000 /* audit the looked up vnode information */
#define AUDITVNODE2 0x00100000 /* audit the looked up vnode information */
#define NOCAPCHECK 0x00200000 /* do not perform capability checks */
#define SAVENAME 0x00000400 /* save pathname buffer */
#define SAVESTART 0x00000800 /* save starting directory */
#define ISWHITEOUT 0x00001000 /* found whiteout */
#define DOWHITEOUT 0x00002000 /* do whiteouts */
#define WILLBEDIR 0x00004000 /* new files will be dirs; allow trailing / */
#define ISOPEN 0x00008000 /* caller is opening; return a real vnode. */
#define NOCROSSMOUNT 0x00010000 /* do not cross mount points */
#define NOMACCHECK 0x00020000 /* do not perform MAC checks */
#define AUDITVNODE1 0x00040000 /* audit the looked up vnode information */
#define AUDITVNODE2 0x00080000 /* audit the looked up vnode information */
#define NOCAPCHECK 0x00100000 /* do not perform capability checks */
/* UNUSED 0x00400000 */
/* UNUSED 0x00200000 */
/* UNUSED 0x00800000 */
/* UNUSED 0x01000000 */
#define HASBUF 0x01000000 /* has allocated pathname buffer */
#define NOEXECCHECK 0x02000000 /* do not perform exec check on dir */
#define MAKEENTRY 0x04000000 /* entry is to be added to name cache */
#define ISSYMLINK 0x08000000 /* symlink needs interpretation */
@ -176,7 +176,8 @@ int cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status,
* Flags which must not be passed in by callers.
*/
#define NAMEI_INTERNAL_FLAGS \
(NOEXECCHECK | MAKEENTRY | ISSYMLINK | ISLASTCN | ISDOTDOT | TRAILINGSLASH)
(HASBUF | NOEXECCHECK | MAKEENTRY | ISSYMLINK | ISLASTCN | ISDOTDOT | \
TRAILINGSLASH)
/*
* Namei results flags