[LU-14195] Support for linux kernel version 5.10

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Assignee: Neil Brown
• Reporter: Neil Brown

Description

Changes needed to support Linux 5.10 include:

• kzfree() is gone - renamed to kfree_sensitive()
• KERNEL_DS and set_fs()/get_fs() not available and not needed.
• ext4_handle_has_enough_credits() gone, use jbd2_handle_buffer_credits()
• EXT4_GET_BLOCKS_KEEP_SIZE and EXT4_INODE_EOFBLOCKS gone
• ldiskfs patches need refresh
• commit 6212804f2d78 causes module building to fail (again).

Issue Links

• is related to: LU-15635 ext4_(inc|dec)_count removed handle_t arg breaking 5.10 server
• is related to: LU-15726 Introduce / use min journal credit for ldiskfs
• is related to: LU-12511 Prepare lustre for adoption into the linux kernel

Comments

[Gerrit Updater]

"Jian Yu <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/47705
Subject: LU-14195 libcfs: test for nla_strscpy
Project: fs/lustre-release
Branch: b2_15
Current Patch Set: 1
Commit: 16f0dcef85b2a56652489c8866562927d88ecde2

[James A Simmons]

Need to finish off ldiskfs support at this kernel leve.

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/46876/
Subject: LU-14195 libcfs: test for nla_strscpy
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: b762319d5ad0884adfb2f79c956a798fba665566

[Gerrit Updater]

"James Simmons <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/46876
Subject: LU-14195 libcfs: test for nla_strscpy
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 3e60d727b2315f4ecbe06bc8156430032e921a2b

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/40913/
Subject: LU-14195 ldiskfs: update patches for Linux 5.10
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: c93a3e5b15b72afc1eeb3f7754c15e078d098769

[Gerrit Updater]

"Oleg Drokin <[e-mail]>" merged in patch https://review.whamcloud.com/45219/
Subject: LU-14195 obdclass: change list_sort to use const pointers
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: e612dcbbdd208ff0919a8c108448bbfa846e8ee6

[Gerrit Updater]

"Jian Yu <[e-mail]>" uploaded a new patch: https://review.whamcloud.com/45219
Subject: LU-14195 obdclass: change list_sort to use const pointers
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 01ef4ea77d6798bfb7d9c94b3a4dc809838c07b0

[Gerrit Updater]

Jian Yu ([e-mail]) uploaded a new patch: https://review.whamcloud.com/44165
Subject: LU-14195 llite: add force_uaccess_

{begin,end}

helpers
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 597a8a1e0c4c09b86b7d4e860cdcd6a3fedcb6dc

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/43559/
Subject: LU-14195 lnet: improve compat code for IPV6_V6ONLY sock opt
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 6d111ff0dde182bfbdf0a7ab10df812ab43e2ddd

[Gerrit Updater]

Neil Brown ([e-mail]) uploaded a new patch: https://review.whamcloud.com/43559
Subject: LU-14195 lnet: improve compat code for IPV6_V6ONLY sock opt
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 4912a3fba32efebaf9a4352ab1ee05d670294ea5

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/40908/
Subject: LU-14195 libcfs: switch to kfree_sensitive
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 67d17dd590f913643f5adc8aced369221faccf05