set_fs_pwd/set_fs_root(tsk, NULL, NULL) are OK?

From: Tigran Aivazian (
Date: Thu May 04 2000 - 11:19:44 EST

Hi Alexander,

I want to force a process to have no cwd/root (yes, a radical concept but
very convenient for some VFS features, e.g. when forcibly unmounting a
filesystem). Now, for dget/mntget it is certainly valid but I am not sure
if it is valid for namei stuff - i.e. are all name lookups going to fail
for a process that has no cwd/root automatically?


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