[LU-14901] consume grants if async write fallback sync io Created: 01/Aug/21  Updated: 26/Aug/21

Status: Open
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Wang Shilong (Inactive) Assignee: Wang Shilong (Inactive)
Resolution: Unresolved Votes: 0
Labels: None

Issue Links:
Related
is related to LU-14125 client starved for grant but OST has ... Reopened
is related to LU-14124 super slow i/o on client maybe relate... Resolved
is related to LU-14739 capablity check should be aware of r... Resolved
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

With OSTSIZE=400000 sanity-quota.sh 10 exposed an intresting problem:

In vvp_io_write_commit() if out of quota, it will try sync write. However in osc_queue_sync_pages(), space grant will be only consumed with DIO.

 Comments   
Comment by Gerrit Updater [ 01/Aug/21 ]

Wang Shilong (wshilong@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/44453
Subject: LU-14901 cli: consume grants if async write fallback sync io
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 137d28ef48f6e86ff8ee543edb8fe23e1f9e2c64

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