[LU-15198] Use percpu_env for ll_tiny_write_end Created: 07/Nov/21 Updated: 07/Nov/21 |
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| Status: | Open |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Improvement | Priority: | Minor |
| Reporter: | Patrick Farrell | Assignee: | WC Triage |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | None | ||
| Rank (Obsolete): | 9223372036854775807 |
| Description |
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The percpu cl_env can be used in certain situations where it is known the caller will not be rescheduled. This is true for ll_tiny_write_end, and the switch to this gives a performance improvement of about 7%. |
| Comments |
| Comment by Gerrit Updater [ 07/Nov/21 ] |
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"Patrick Farrell <pfarrell@whamcloud.com>" uploaded a new patch: https://review.whamcloud.com/45477 |