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Feature #45267

closed

ceph-fuse: Reduce memory copy in ceph-fuse during data IO

Added by Xiubo Li about 4 years ago. Updated almost 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
-
Target version:
% Done:

0%

Source:
Development
Tags:
Backport:
Reviewed:
Affected Versions:
Component(FS):
ceph-fuse
Labels (FS):
Pull request ID:

Description

we can reduce memory copy in ceph-fuse's IO path. for example, fuse_ll_read() have two copies, libcephfs to a temp bufferlist,
bufferlist to kernel.

https://pad.ceph.com/p/cds-pacific

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