#2886 NORM Untriag: some files shouldn't be compressed by jffs2

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#2886: some files shouldn't be compressed by jffs2
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 Reporter:  tomeu        |       Owner:  dwmw2    
     Type:  enhancement  |      Status:  new      
 Priority:  normal       |   Milestone:  Untriaged
Component:  kernel       |     Version:           
 Keywords:               |    Verified:  0        
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 Storing a PDF of 35MB takes 25s. to be written to NAND, processor bound.

 If this is caused by JFFS2's on-the-fly compression, marking those files
 as already compressed using chattr or xattr would make these operations
 much faster.

 Also, I presume reading perf would also be improved.

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Ticket URL: <https://dev.laptop.org/ticket/2886>
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