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32 #include <sys/cdefs.h>
33 __SCCSID("@(#)kvm_getvfsbyname.c 8.1 (Berkeley) 4/3/95");
34 #include <sys/param.h>
35 #include <sys/mount.h>
36 #include <sys/sysctl.h>
43 * fusefs(5) file systems may have a "subtype" which gets appended to
44 * statfs(2)'s f_fstypename field on a per-mount basis. Allow getvfsbyname to
45 * match either the full "fusefs.foobar" or the more general "fusefs".
48 are_fusefs(const char *fsname, const char *vfc_name)
50 const static char fusefs[] = "fusefs";
51 const static char fusefs_dot[] = "fusefs.";
53 return (strncmp(fsname, fusefs_dot, sizeof(fusefs_dot) - 1) == 0 &&
54 strcmp(fusefs, vfc_name) == 0);
58 * Given a filesystem name, determine if it is resident in the kernel,
59 * and if it is resident, return its xvfsconf structure.
62 getvfsbyname(const char *fsname, struct xvfsconf *vfcp)
64 struct xvfsconf *xvfsp;
68 if (sysctlbyname("vfs.conflist", NULL, &buflen, NULL, 0) < 0)
70 xvfsp = malloc(buflen);
73 if (sysctlbyname("vfs.conflist", xvfsp, &buflen, NULL, 0) < 0) {
77 cnt = buflen / sizeof(struct xvfsconf);
78 for (i = 0; i < cnt; i++) {
79 if (strcmp(fsname, xvfsp[i].vfc_name) == 0 ||
80 are_fusefs(fsname, xvfsp[i].vfc_name)) {
81 memcpy(vfcp, xvfsp + i, sizeof(struct xvfsconf));