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Mount lxcfs in direct_io mode by default #20

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q53 opened this issue Apr 7, 2015 · 2 comments
Closed

Mount lxcfs in direct_io mode by default #20

q53 opened this issue Apr 7, 2015 · 2 comments

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@q53
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q53 commented Apr 7, 2015

Currently lxcfs mounts with enabled FS cache by default. As result any file size request (getattr call) produce a whole file read for calculate an actual size (because of a file cache restrictions). That is ridiculous for auto-generated content of procfs/sysfs, which file size not reflect space consuming by any real data set. So maybe do mount with force direct_io and returns zero as size in getattr call(as procfs really do)?
@hallyn
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hallyn commented Apr 7, 2015

That sounds good. Do you have a patch we can test for this?

@q53
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q53 commented Apr 7, 2015

Well, a patch pretty trivial.
I did the pull request.

@hallyn hallyn closed this as completed in 7253e0a Apr 17, 2015
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@hallyn @q53