[LU-17422] unaligned DIO: use page pools

• Status: Open
• Project: Lustre
• Type: Improvement
• Priority: Minor
• Reporter: Patrick Farrell
• Assignee: Patrick Farrell
• Resolution: Unresolved
• Severity: 3

Description

A significant portion of the time spent in unaligned DIO is spent in allocating buffers.  We should use page pools for this.

This ticket will track the work required for that.

Issue Links

• is related to: LU-13802 New i/o path: Buffered i/o as DIO
• is related to: LU-13805 i/o path: Unaligned direct i/o

Comments

[Gerrit Updater]

"Patrick Farrell <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53667
Subject: LU-17422 obdclass: move page pools to obdclass
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 9c3754ddbffd0f687d952e979f631251fdec4fe2

[Gerrit Updater]

"Patrick Farrell <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53668
Subject: LU-17422 obdclass: rename ptlrpc_page_pool
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 3301340539326aded9a4c5ef39677a616af9accf

[Gerrit Updater]

"Patrick Farrell <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53669
Subject: LU-17422 obdclass: rename sptlrpc pool and move init
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 5d0af5fa4e03b380fe9b3ddce6072cb2137e7ffc

[Gerrit Updater]

"Patrick Farrell <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53670
Subject: LU-17422 clio: use page pools for UDIO/hybrid
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: f13b0ee24320cd6e72f5a0a575ff92aae90c769b

[Gerrit Updater]

"Patrick Farrell <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/c/fs/lustre-release/+/53865
Subject: LU-17422 osc: Clear PageChecked on bounce pages
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 5582abc557a8d7188bbb6fb2bc38585338f660b4