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authorTristan Schmelcher <tschmelcher@google.com>2013-11-11 13:03:06 -0500
committerRichard Weinberger <richard@nod.at>2014-04-20 23:10:44 +0200
commit0d71832e3004a0833938cc28a096823cd55b8e79 (patch)
treeb0079baf0cee87629cf68bd3cb2e1570a7565bf7 /fs/adfs
parenta798c10faf62a505d24e5f6213fbaf904a39623f (diff)
downloadlinux-0d71832e3004a0833938cc28a096823cd55b8e79.tar.bz2
uml: Simplify tempdir logic.
Inferring the mount hierarchy correctly from /proc/mounts is hard when MS_MOVE may have been used, and the previous code did it wrongly. This change simplifies the logic to only require that /dev/shm be _on_ tmpfs (which can be checked trivially with statfs) rather than that it be a _mountpoint_ of tmpfs, since there isn't a compelling reason to be that strict. We also now check for tmpfs on whatever directory we ultimately use so that the user is better informed. This change also moves the more standard TMPDIR environment variable check ahead of the others. Applies to 3.12. Signed-off-by: Tristan Schmelcher <tschmelcher@google.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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