[LU-4664] sync write should consume grant on client

• Type: Bug
• Resolution: Duplicate
• Priority: Major
• Affects Version/s: Lustre 2.5.0, Lustre 2.6.0, Lustre 2.4.2, Lustre 2.12.0
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Niu Yawei (Inactive)

Description

Sync/direct write should consume grant on client as well, otherwise, it could fail with ENOSPC even when there is lots of grant reserved by clients.

Issue Links

• is related to: LU-4482 OST grants bugs
• is related to: LU-11527 sanity test_270a failed with O_DIRECT on ARM
• is related to: LU-247 Lustre client slow performance on BG/P IONs: unaligned DIRECT_IO
• is related to: LU-12687 Fast ENOSPC on direct I/O
• is related to: LU-12757 sanity-lfsck test 36a fails with '(N) Fail to resync /mnt/lustre/d36a.sanity-lfsck/f2'
• is related to: LU-11239 sanity-lfsck test 36a fails with 'Fail to split mirror'

Comments

[Andreas Dilger]

The patch https://review.whamcloud.com/35896 "LU-12687 osc: consume grants for direct I/O" is about to land and will fix this issue.

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/33588/
Subject: LU-4664 libcfs: allow file/func/line passed to CDEBUG()
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 8503e73bd936ce286c8acd069ed3285a0b7533b2

[Gerrit Updater]

Andreas Dilger ([e-mail]) uploaded a new patch: https://review.whamcloud.com/33588
Subject: LU-4664 libcfs: allow file/func/line passed to CDEBUG()
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 0c75bd16ba03d6aaec94d9653d71f907e7e065d9

[Niu Yawei (Inactive)]

Dup of LU-247.

[Niu Yawei (Inactive)]

There are lots problems in current DIO implementation, see LU-247. I think this problem should be addressed with other problems together.

[Niu Yawei (Inactive)]

http://review.whamcloud.com/9454