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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-02-22 14:18:13 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-02-22 14:18:13 +0100
commita807a45ffd64db60dc69012bef2538eaac3dac0b (patch)
tree818b73062c8684f9b96fca49d7d6d477c450fc22 /lib/util/alloc.c
parent0b1fce762dca88659b3103783e8852cb7265823e (diff)
Make hard link detection scale better
Instead of doing a linear search, which scales quadratically, use a red-black tree with inode numbers as key for finding hard links. To reiterate: we can't just use a flat table, because the SquashFS file is potentially untrusted and the inode numbers can be anything, no matter what the super block says. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/util/alloc.c')
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