Can somebody running FreeBSD 5-stable please test whether this patch
is needed in 5.x?
I can provide a small file with an ext2fs in it so that you can try in
a vnode mount.
Martin
--- Begin Message ---
ext2fs fails to set the device in the stat(2) system call.
Subsequently, that makes fts(3) fail, which goes as far as make ls(1)
fail (which uses fts).
The appended diff fixes it for me and looks correct to me. Unless
somebody objects I will submit it to re@ for commit approval.
%%
I don't have a 5.x system anywhere, can somebody please test whether
the problem exists in 5.x?
Here is how:
- compile appended test program
- mount an ext2fs to -say- /mnt/tmp
- `./stattests /mnt/tmp`
==> must return identical device ids
Quicker test:
- mount ext2fs to /mnt/tmp
- `ls -F /mnt/tmp`
==> will fail with file not found errors.
Martin
--
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/
No warranty. This email is probably produced by one of my cats
stepping on the keys. No, I don't have an infinite number of cats.
Index: ext2_vnops.c
===================================================================
RCS file: /lhome/CVS-FreeBSD/src/sys/gnu/fs/ext2fs/ext2_vnops.c,v
retrieving revision 1.102
diff -u -r1.102 ext2_vnops.c
--- ext2_vnops.c 15 Jun 2005 02:36:11 -0000 1.102
+++ ext2_vnops.c 8 Jul 2005 22:07:16 -0000
@@ -346,6 +346,7 @@
/*
* Copy from inode table
*/
+ vap->va_fsid = dev2udev(ip->i_devvp->v_rdev);
vap->va_fileid = ip->i_number;
vap->va_mode = ip->i_mode & ~IFMT;
vap->va_nlink = ip->i_nlink;
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
static void
print(const char *const msg, const struct stat *const s)
{
fprintf(stderr, "dev %s: %X (%d/%d)\n", msg, s->st_dev
, major(s->st_dev)
, minor(s->st_dev));
}
int main(int argc, char *argv[])
{
struct stat s;
struct stat s_direct;
int fd;
char *filename1 = NULL;
if (argc < 2) {
fprintf(stderr, "Usage: filename\n");
exit(1);
}
filename1 = argv[1];
if (stat(filename1, &s_direct) == -1) {
perror("stat");
exit(2);
}
print("just stat", &s_direct);
fd = open(filename1, O_RDONLY);
if (fd == -1) {
perror("open");
exit(2);
}
if (fstat(fd, &s) == -1) {
perror("fstat");
exit(2);
}
print("using fstat", &s);
#if 0
DIR *dir;
dir = opendir(filename1);
if (dir == NULL) {
perror("opendir");
exit(2);
}
if (fstat(dirfd(dir), &s) == -1) {
perror("fstat");
exit(2);
}
fprintf(stderr, "dev: %d\n", s.st_dev);
if (stat("/mnt/tmp/X11", &s) == -1) {
perror("stat");
exit(2);
}
fprintf(stderr, "dev: %d\n", s.st_dev);
#endif
return 0;
}
--- End Message ---
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