From 0024dcfe3e016c67046de06d1dac5e7f5235f9e1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?= Date: Thu, 12 Jul 2018 18:59:39 +0200 Subject: [PATCH] resource: Move opening of the transformed resources after cache check The old version should be functionally the same, but opening up these readers (potentially files) every time is wasteful if we don't read from them. --- resource/transform.go | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/resource/transform.go b/resource/transform.go index 005ede767..93ace2ba0 100644 --- a/resource/transform.go +++ b/resource/transform.go @@ -303,12 +303,6 @@ func (r *transformedResource) transform(setContent bool) (err error) { first := chain[0] - contentrc, err := contentReadSeekerCloser(first) - if err != nil { - return err - } - defer contentrc.Close() - // Files with a suffix will be stored in cache (both on disk and in memory) // partitioned by their suffix. There will be other files below /other. // This partition is also how we determine what to delete on server reloads. @@ -347,6 +341,7 @@ func (r *transformedResource) transform(setContent bool) (err error) { r.cache.nlocker.Unlock(key) return } + defer r.cache.nlocker.Unlock(key) defer r.cache.set(key, r) @@ -362,6 +357,13 @@ func (r *transformedResource) transform(setContent bool) (err error) { tctx.InMediaType = first.MediaType() tctx.OutMediaType = first.MediaType() + + contentrc, err := contentReadSeekerCloser(first) + if err != nil { + return err + } + defer contentrc.Close() + tctx.From = contentrc tctx.To = b1