mpb [EMAIL PROTECTED] writes:
# Create 3 symbolic links inside those directories.
ln -s a1/a2 /tmp/a0/a2
ln -s /tmp/a0/a2/b3 /tmp/c0/b3
ln -s /tmp/a0/a2/a3/a4/a5 /tmp/c0/b3/b4/a5
The problem is that we are crossing the /tmp/a0/a2 symlink twice, so
canonicalize_filename_mode thinks this is a loop. But in fact the
reference comes from different symlink expansions, and the second one
uses a different way through the filesystem. Due to the way cycle_check
works this testcase only works when the offending symlink is the second,
fourth, eighth, ... one encountered. The kernel can cope because it
only errors out after a fixed number of symlink expansions, independent
of the actual nodes crossed.
Andreas Schwab, SuSE Labs, [EMAIL PROTECTED]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
And now for something completely different.
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