[LU-10428] LNet events should generated without resource lock held Created: 22/Dec/17 Updated: 27/Mar/22 Resolved: 07/Sep/20 |
|
| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | Lustre 2.14.0 |
| Type: | Improvement | Priority: | Major |
| Reporter: | Alexey Lyashkov | Assignee: | Alexey Lyashkov |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | patch | ||
| Environment: |
any lustre |
||
| Issue Links: |
|
||||||||
| Rank (Obsolete): | 9223372036854775807 | ||||||||
| Description |
|
LNet execute an events with resource lock held, but event handler can allocate an memory, so it will block other callers to lockup over hash table or parallel event execution. |
| Comments |
| Comment by Cory Spitz [ 09/Aug/18 ] |
|
For some reason, a comment wasn't added here when https://review.whamcloud.com/#/c/30657 was uploaded for this issue. |
| Comment by Alexey Lyashkov [ 16/Jul/19 ] |
|
It looks not a improvement now. |
| Comment by Gerrit Updater [ 20/Dec/19 ] |
|
Neil Brown (neilb@suse.de) uploaded a new patch: https://review.whamcloud.com/37068 |
| Comment by Gerrit Updater [ 01/Sep/20 ] |
|
Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/37068/ |
| Comment by James A Simmons [ 07/Sep/20 ] |
|
Neil's patch has landed. If it hasn't resolved the problem feel free to reopen. |