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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 /ui-tree.c
parent54272e60965ec6a98b49cbf67d72a4b1f5adc55b (diff)
downloadcgit-8813170390f3c3a0f4743afbc92ede42953fa3b0.tar.gz
cgit-8813170390f3c3a0f4743afbc92ede42953fa3b0.tar.xz
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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