Differential D23422 Diff 67603 head/sys/kern/vfs_subr.c

Changeset View

Standalone View

head/sys/kern/vfs_subr.c

Show First 20 Lines • Show All 5,950 Lines • ▼ Show 20 Lines	vfs_read_dirent(struct vop_readdir_args ap, struct dirent dp, off_t off)
ap->a_cookies = realloc(ap->a_cookies,		ap->a_cookies = realloc(ap->a_cookies,
(ap->a_ncookies + 1) sizeof(u_long), M_TEMP, M_WAITOK \| M_ZERO);		(ap->a_ncookies + 1) sizeof(u_long), M_TEMP, M_WAITOK \| M_ZERO);
(ap->a_cookies)[ap->a_ncookies] = off;		(ap->a_cookies)[ap->a_ncookies] = off;
*ap->a_ncookies += 1;		*ap->a_ncookies += 1;
return (0);		return (0);
}		}

/*		/*
* Mark for update the access time of the file if the filesystem
* supports VOP_MARKATIME. This functionality is used by execve and
* mmap, so we want to avoid the I/O implied by directly setting
* va_atime for the sake of efficiency.
*/
void
vfs_mark_atime(struct vnode vp, struct ucred cred)
{
struct mount *mp;

mp = vp->v_mount;
ASSERT_VOP_LOCKED(vp, "vfs_mark_atime");
if (mp != NULL && (mp->mnt_flag & (MNT_NOATIME \| MNT_RDONLY)) == 0)
(void)VOP_MARKATIME(vp);
}

/*
* The purpose of this routine is to remove granularity from accmode_t,		* The purpose of this routine is to remove granularity from accmode_t,
* reducing it into standard unix access bits - VEXEC, VREAD, VWRITE,		* reducing it into standard unix access bits - VEXEC, VREAD, VWRITE,
* VADMIN and VAPPEND.		* VADMIN and VAPPEND.
*		*
* If it returns 0, the caller is supposed to continue with the usual		* If it returns 0, the caller is supposed to continue with the usual
* access checks using 'accmode' as modified by this routine. If it		* access checks using 'accmode' as modified by this routine. If it
* returns nonzero value, the caller is supposed to return that value		* returns nonzero value, the caller is supposed to return that value
* as errno.		* as errno.
▲ Show 20 Lines • Show All 419 Lines • Show Last 20 Lines