Another dead lock in libdiskfs / ext2fs

[Thomas Schwinge]

Hello!

Still while trying to get us an up-to-date git binary package I saw its
test suite hang, system got instable, tried to attach gdb to the affected
ext2fs instance, system crashed.  Barry restored the system.  This time I
first attached a ``noninvasive'' gdb to the ext2fs instance, re-ran the
test suite, saw it hang at the same place, examined the situation in gdb
and saw that one of the ext2fs threads was doing a `dir_lookup' for git
and was hanging there and the syncing thread was hanging as well,
probably while trying to write the very same inode to disk?

Unfortunately I failed to move the exact gdb output to a save place
before I managed to crash the box again.  Gah.


Regards,
 Thomas

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