[LU-7614] OST r/o cache conflicts with o2ib map_on_demand feature Created: 28/Dec/15 Updated: 28/Dec/15 |
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| Status: | Open |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | Lustre 2.7.0 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Critical |
| Reporter: | Alexey Lyashkov | Assignee: | WC Triage |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | lnet | ||
| Severity: | 3 |
| Rank (Obsolete): | 9223372036854775807 |
| Description |
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FMR pool mapping assume a page list isn't changed after first registration, otherwise it kill own cache and use a ib_map_phys_fmr in loop with some additional overhead related to the pool handling. |