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udevd: print warning if CONFIG_SYSFS_DEPRECATED is used

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Future udev versions will depend on the current sysfs layout, which
includes features which are not available in the deprecated mode.
This commit is contained in:
Kay Sievers 2008-10-01 19:00:55 +02:00
parent 4dea370d49
commit f13e4c36c2
2 changed files with 15 additions and 4 deletions
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3
TODO
View File

@ -1,10 +1,9 @@
o handle spaces in SYMLINK+=, do not create multiple links
o use libudev device in udev_rules.c
get rid of udevice, store rule matching state in rule iterator
o rework rules to a match-action list, instead of a rules array
o add DVB variables to kernel, and drop shell script rule
o add watershed extra
o log warning if /sys/block/ does, but /sys/class/block/ does not exist,
udev will depend on the non-deprecated sysfs layout in a future release
o DEVTYPE for disks is set by the kernel, they will be removed from
the default rules
o "udevadm control" commands will only accept the --<command> syntax

16
udev/udevd.c
View File

@ -953,9 +953,21 @@ int main(int argc, char *argv[])
fd = open("/dev/kmsg", O_WRONLY);
if (fd > 0) {
const char *str = "<6>udevd version " VERSION " started\n";
const char *ver_str = "<6>udev: starting version " VERSION "\n";
char path[UTIL_PATH_SIZE];
struct stat statbuf;
write(fd, str, strlen(str));
write(fd, ver_str, strlen(ver_str));
util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
util_strlcat(path, "/class/mem/null", sizeof(path));
if (lstat(path, &statbuf) == 0) {
if (S_ISDIR(statbuf.st_mode)) {
const char *depr_str = "<6>udev: deprecated sysfs layout "
"(CONFIG_SYSFS_DEPRECATED) is unsupported\n";
write(fd, depr_str, strlen(depr_str));
}
}
close(fd);
}