Details
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Bug
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Resolution: Fixed
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Minor
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Lustre 2.4.1, Lustre 2.5.0, Lustre 2.6.0, Lustre 2.4.2, Lustre 2.5.1, Lustre 2.5.2, Lustre 2.4.3
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ZFS
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3
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13259
Description
osd_read_prep() in osd-zfs/ calls into dmu_read() which finds the buffers filled osd_bufs_get_read(). this is not needed and cost us extra memcpy() on all the reads.
Attachments
Issue Links
- is related to
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LU-5278 ZFS - many OST watchdogs with IOR
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- Resolved
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Alex Zhuravlev (alexey.zhuravlev@intel.com) uploaded a new patch: http://review.whamcloud.com/13907
Subject:
LU-4820osd: drop memcpy in zfs osdProject: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: a65b20245b874cb20dd0b154e466547d15542730