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Address two minor issues: implement the _PC_NAME_MAX and _PC_PATH_MAX

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pathconf() variables for directories, and set st_size and st_blocks
(of struct stat) for directories as appropriate.  Note that st_size is
always set to DEV_BSIZE, since the size of the directories is not
currently kept.

Reviewed by:	phk, bde
This commit is contained in:
dd 2001-11-25 21:00:38 +00:00
parent f9343b3578
commit 97c62fdc11
1 changed files with 29 additions and 2 deletions
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31
sys/fs/devfs/devfs_vnops.c
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@ -55,6 +55,7 @@
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/time.h>
#include <sys/unistd.h>
#include <sys/vnode.h>
#include <fs/devfs/devfs.h>
@ -63,6 +64,7 @@ static int devfs_access __P((struct vop_access_args *ap));
static int devfs_getattr __P((struct vop_getattr_args *ap));
static int devfs_lookupx __P((struct vop_lookup_args *ap));
static int devfs_mknod __P((struct vop_mknod_args *ap));
static int devfs_pathconf __P((struct vop_pathconf_args *ap));
static int devfs_print __P((struct vop_print_args *ap));
static int devfs_read __P((struct vop_read_args *ap));
static int devfs_readdir __P((struct vop_readdir_args *ap));
@ -202,8 +204,12 @@ devfs_getattr(ap)
vap->va_mode = de->de_mode;
if (vp->v_type == VLNK)
vap->va_size = de->de_dirent->d_namlen;
else if (vp->v_type == VDIR)
vap->va_size = vap->va_bytes = DEV_BSIZE;
else
vap->va_size = 0;
if (vp->v_type != VDIR)
vap->va_bytes = 0;
vap->va_blocksize = DEV_BSIZE;
vap->va_type = vp->v_type;
@ -234,7 +240,6 @@ devfs_getattr(ap)
}
vap->va_gen = 0;
vap->va_flags = 0;
vap->va_bytes = 0;
vap->va_nlink = de->de_links;
vap->va_fileid = de->de_inode;
@ -454,6 +459,28 @@ struct vop_mknod_args {
}
static int
devfs_pathconf(ap)
struct vop_pathconf_args /* {
struct vnode *a_vp;
int a_name;
int *a_retval;
} */ *ap;
{
switch (ap->a_name) {
case _PC_NAME_MAX:
*ap->a_retval = NAME_MAX;
return (0);
case _PC_PATH_MAX:
*ap->a_retval = PATH_MAX;
return (0);
default:
return (vop_stdpathconf(ap));
}
/* NOTREACHED */
}
/* ARGSUSED */
static int
devfs_print(ap)
@ -776,7 +803,7 @@ static struct vnodeopv_entry_desc devfs_vnodeop_entries[] = {
{ &vop_getattr_desc, (vop_t *) devfs_getattr },
{ &vop_lookup_desc, (vop_t *) devfs_lookup },
{ &vop_mknod_desc, (vop_t *) devfs_mknod },
{ &vop_pathconf_desc, (vop_t *) vop_stdpathconf },
{ &vop_pathconf_desc, (vop_t *) devfs_pathconf },
{ &vop_print_desc, (vop_t *) devfs_print },
{ &vop_read_desc, (vop_t *) devfs_read },
{ &vop_readdir_desc, (vop_t *) devfs_readdir },