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author	Andreas Dilger <adilger@whamcloud.com>
	Fri, 21 Feb 2020 21:40:56 +0000 (14:40 -0700)
committer	Theodore Ts'o <tytso@mit.edu>
	Sat, 7 Mar 2020 16:14:02 +0000 (11:14 -0500)
commit	947315c86645e3ac3e814a49a7e7ab4b3498f64b
tree	83aae96bae091c38e7fc687fb4503ac6430dcd0a	tree \| snapshot
parent	937650f78e2d0e087048acd2a878139b27df3625	commit \| diff

libext2fs: don't use O_DIRECT for files on tmpfs

If a filesystem image is on tmpfs, opening it with O_DIRECT for
reading the MMP will fail. This is unnecessary, since the image
file can't really be open on another node at this point. If the
open with O_DIRECT fails, retry without it when plausible.

Remove the special-casing of tmpfs from the mmp test cases.

Change-Id: I41f4b31657b06f62f10be8d6e524d303dd36a321
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

lib/ext2fs/mmp.c		diff \| blob \| blame \| history
tests/f_mmp/script		diff \| blob \| blame \| history
tests/f_mmp_garbage/script		diff \| blob \| blame \| history
tests/m_image_mmp/script		diff \| blob \| blame \| history
tests/m_mmp/script		diff \| blob \| blame \| history
tests/m_mmp_bad_csum/script		diff \| blob \| blame \| history
tests/m_mmp_bad_magic/script		diff \| blob \| blame \| history
tests/t_mmp_1on/script		diff \| blob \| blame \| history
tests/t_mmp_2off/script		diff \| blob \| blame \| history

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