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Stephen Tweedie |
0d80341 |
--- util-linux-2.12a/disk-utils/raw.c.=K0000=.orig
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Stephen Tweedie |
0d80341 |
+++ util-linux-2.12a/disk-utils/raw.c
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Stephen Tweedie |
0d80341 |
@@ -31,6 +31,7 @@
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Stephen Tweedie |
0d80341 |
#endif
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Stephen Tweedie |
0d80341 |
#define DEVFS_RAWCTLDEV "/dev/raw/rawctl"
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
+#define RAW_NR_MINORS 8192
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
char * progname;
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Stephen Tweedie |
0d80341 |
int do_query = 0;
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Stephen Tweedie |
0d80341 |
@@ -94,7 +95,7 @@ int main(int argc, char *argv[])
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Stephen Tweedie |
0d80341 |
if (do_query_all) {
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Stephen Tweedie |
0d80341 |
if (optind < argc)
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Stephen Tweedie |
0d80341 |
usage(1);
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Stephen Tweedie |
0d80341 |
- for (i=1; i<255; i++)
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Stephen Tweedie |
0d80341 |
+ for (i = 1; i < RAW_NR_MINORS; i++)
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Stephen Tweedie |
0d80341 |
query(i, 1);
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Stephen Tweedie |
0d80341 |
exit(0);
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Stephen Tweedie |
0d80341 |
}
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Stephen Tweedie |
0d80341 |
@@ -109,9 +110,16 @@ int main(int argc, char *argv[])
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
err = stat(raw_name, &statbuf);
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Stephen Tweedie |
0d80341 |
if (err) {
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Stephen Tweedie |
0d80341 |
- fprintf (stderr, "Cannot locate raw device '%s' (%s)\n",
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Stephen Tweedie |
0d80341 |
- raw_name, strerror(errno));
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Stephen Tweedie |
0d80341 |
- exit(2);
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Stephen Tweedie |
0d80341 |
+ int rc;
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Stephen Tweedie |
0d80341 |
+
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Stephen Tweedie |
0d80341 |
+ rc = sscanf(raw_name, RAWDEVDIR "raw%d", &raw_minor);
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Stephen Tweedie |
0d80341 |
+ if (rc != 1) {
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Stephen Tweedie |
0d80341 |
+ fprintf (stderr,
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Stephen Tweedie |
0d80341 |
+ "Cannot locate raw device '%s' (%s)\n",
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Stephen Tweedie |
0d80341 |
+ raw_name, strerror(errno));
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Stephen Tweedie |
0d80341 |
+ exit(2);
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Stephen Tweedie |
0d80341 |
+ }
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Stephen Tweedie |
0d80341 |
+ goto skip_test_rawdev;
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Stephen Tweedie |
0d80341 |
}
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
if (!S_ISCHR(statbuf.st_mode)) {
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Stephen Tweedie |
0d80341 |
@@ -127,6 +135,7 @@ int main(int argc, char *argv[])
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
raw_minor = minor(statbuf.st_rdev);
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
+skip_test_rawdev:
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Stephen Tweedie |
0d80341 |
if (do_query)
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Stephen Tweedie |
0d80341 |
return query(raw_minor, 0);
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
@@ -193,6 +202,7 @@ void open_raw_ctl(void)
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Stephen Tweedie |
0d80341 |
int query(int minor, int quiet)
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Stephen Tweedie |
0d80341 |
{
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Stephen Tweedie |
0d80341 |
struct raw_config_request rq;
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Stephen Tweedie |
0d80341 |
+ static int has_worked = 0;
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Stephen Tweedie |
0d80341 |
int err;
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Stephen Tweedie |
0d80341 |
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Stephen Tweedie |
0d80341 |
rq.raw_minor = minor;
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Stephen Tweedie |
0d80341 |
@@ -200,11 +210,17 @@ int query(int minor, int quiet)
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Stephen Tweedie |
0d80341 |
if (err < 0) {
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Stephen Tweedie |
0d80341 |
if (quiet && errno == ENODEV)
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Stephen Tweedie |
0d80341 |
return 3;
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Stephen Tweedie |
0d80341 |
+ if (has_worked && errno == EINVAL)
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Stephen Tweedie |
0d80341 |
+ return 0;
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Stephen Tweedie |
0d80341 |
fprintf (stderr,
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Stephen Tweedie |
0d80341 |
"Error querying raw device (%s)\n",
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Stephen Tweedie |
0d80341 |
strerror(errno));
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Stephen Tweedie |
0d80341 |
exit(3);
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Stephen Tweedie |
0d80341 |
}
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Stephen Tweedie |
0d80341 |
+ /* If one query has worked, mark that fact so that we don't
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Stephen Tweedie |
0d80341 |
+ * report spurious fatal errors if raw(8) has been built to
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Stephen Tweedie |
0d80341 |
+ * support more raw minor numbers than the kernel has. */
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Stephen Tweedie |
0d80341 |
+ has_worked = 1;
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Stephen Tweedie |
0d80341 |
if (quiet && !rq.block_major && !rq.block_minor)
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Stephen Tweedie |
0d80341 |
return 0;
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Stephen Tweedie |
0d80341 |
printf (RAWDEVDIR "raw%d: bound to major %d, minor %d\n",
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