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authorLars Hjemli <hjemli@gmail.com>2008-11-29 16:46:37 +0100
committerLars Hjemli <hjemli@gmail.com>2008-11-29 16:46:37 +0100
commit8813170390f3c3a0f4743afbc92ede42953fa3b0 (patch)
tree39305350baee1eb564aae00294634bbe544983d3 /.gitignore
parent54272e60965ec6a98b49cbf67d72a4b1f5adc55b (diff)
ui-repolist: implement lazy caching of repo->mtime
When sorting the list of repositories by their last modification time,
cgit would (in the worst case) invoke fstat(3) four times and open(3)
twice for each callback from qsort(3). This obviously scales very badly.

Now, the calculated modtime for each repo is saved in repo->mtime, thus
keeping the number of stat/open invocations identical for sorted and
unsorted repo-listings.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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