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mdev: reinstate "follow symlinks" flag, this time with explanation

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This commit is contained in:
Denis Vlasenko 2008-07-06 17:00:49 +00:00
parent 58f59a25ee
commit 67075bb95f
1 changed files with 7 additions and 4 deletions
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11
util-linux/mdev.c
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@ -420,14 +420,17 @@ int mdev_main(int argc, char **argv)
root_major = major(st.st_dev); root_major = major(st.st_dev);
root_minor = minor(st.st_dev); root_minor = minor(st.st_dev);
/* ACTION_FOLLOWLINKS is needed since in newer kernels
* /sys/block/loop* (for example) are symlinks to dirs,
* not real directories.
* (kernel's CONFIG_SYSFS_DEPRECATED makes them real dirs,
* but we can't enforce that on users) */
recursive_action("/sys/block", recursive_action("/sys/block",
ACTION_RECURSE /* no ACTION_FOLLOWLINKS! */, ACTION_RECURSE | ACTION_FOLLOWLINKS,
fileAction, dirAction, temp, 0); fileAction, dirAction, temp, 0);
recursive_action("/sys/class", recursive_action("/sys/class",
ACTION_RECURSE /* no ACTION_FOLLOWLINKS! */, ACTION_RECURSE | ACTION_FOLLOWLINKS,
fileAction, dirAction, temp, 0); fileAction, dirAction, temp, 0);
} else { } else {
/* Hotplug: /* Hotplug:
* env ACTION=... DEVPATH=... mdev * env ACTION=... DEVPATH=... mdev