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authorGravatar Lars Hjemli <hjemli@gmail.com>2008-11-30 00:46:37 (JST)
committerGravatar Lars Hjemli <hjemli@gmail.com>2008-11-30 00:46:37 (JST)
commit8813170390f3c3a0f4743afbc92ede42953fa3b0 (patch)
tree39305350baee1eb564aae00294634bbe544983d3 /filters
parent54272e60965ec6a98b49cbf67d72a4b1f5adc55b (diff)
downloadcgit-8813170390f3c3a0f4743afbc92ede42953fa3b0.zip
cgit-8813170390f3c3a0f4743afbc92ede42953fa3b0.tar.gz
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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