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This repo is missing a LICENSE file #8

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microsoft-github-policy-service bot opened this issue Jun 2, 2023 · 0 comments
Open

This repo is missing a LICENSE file #8

microsoft-github-policy-service bot opened this issue Jun 2, 2023 · 0 comments

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@microsoft-github-policy-service
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This repository is currently missing a LICENSE file.

A license helps users understand how to use your project in a compliant manner. You can find the standard MIT license Microsoft uses at: https://github.com/microsoft/repo-templates/blob/main/shared/LICENSE.

If you would like to learn more about open source licenses, please visit the document at https://aka.ms/license (Microsoft-internal guidance).
github-actions bot pushed a commit that referenced this issue Sep 2, 2023
@verygreen
LU-16973 osd: adds SB_KERNMOUNT flag
813675a 
During umount mntput() is called. It uses delayed_mntput()
function, and it could take much time to finish. A block
device is occupied during delayed work.

[ 8753.941980] Lustre: server umount XXX complete
[ 8800.129136] sysrq: SysRq : Trigger a crash

PID: 319306   TASK:XXXX   CPU: 2    COMMAND: "kworker/2:0"
 #0 __schedule at ffffffff9754e1d4
 #1 preempt_schedule_common at ffffffff9754e6fa
 #2 _cond_resched at ffffffff9754e72d
 #3 invalidate_mapping_pages at ffffffff96e72da5
 #4 invalidate_bdev at ffffffff96f5d13c
 #5 ldiskfs_put_super at ffffffffc1c82e34 [ldiskfs]
 #6 generic_shutdown_super at ffffffff96f1bdcc
 #7 kill_block_super at ffffffff96f1bed1
 #8 deactivate_locked_super at ffffffff96f1b784
 #9 cleanup_mnt at ffffffff96f3b86b

Let's use SB_KERNMOUNT flag during mount, it leads to
synchronous mntput().
It also calls flush_delayed_fput during umount to finish
delayed fput.

HPE-bug-id: LUS-11629
Signed-off-by: Alexander Boyko <[email protected]>
Change-Id: Ia6729f6cbac85c3626562e946a4b96665a143714
github-actions bot pushed a commit that referenced this issue Sep 7, 2023
LU-16973 osd: adds SB_KERNMOUNT flag
eff11c8 
During umount mntput() is called. It uses delayed_mntput()
function, and it could take much time to finish. A block
device is occupied during delayed work.

[ 8753.941980] Lustre: server umount XXX complete
[ 8800.129136] sysrq: SysRq : Trigger a crash

PID: 319306   TASK:XXXX   CPU: 2    COMMAND: "kworker/2:0"
 #0 __schedule at ffffffff9754e1d4
 #1 preempt_schedule_common at ffffffff9754e6fa
 #2 _cond_resched at ffffffff9754e72d
 #3 invalidate_mapping_pages at ffffffff96e72da5
 #4 invalidate_bdev at ffffffff96f5d13c
 #5 ldiskfs_put_super at ffffffffc1c82e34 [ldiskfs]
 #6 generic_shutdown_super at ffffffff96f1bdcc
 #7 kill_block_super at ffffffff96f1bed1
 #8 deactivate_locked_super at ffffffff96f1b784
 #9 cleanup_mnt at ffffffff96f3b86b

Let's use SB_KERNMOUNT flag during mount, it leads to
synchronous mntput().
It also calls flush_delayed_fput during umount to finish
delayed fput.

HPE-bug-id: LUS-11629
Signed-off-by: Alexander Boyko <[email protected]>
Change-Id: Ia6729f6cbac85c3626562e946a4b96665a143714
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/51731
Tested-by: jenkins <[email protected]>
Tested-by: Maloo <[email protected]>
Reviewed-by: Andrew Perepechko <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>
Reviewed-by: James Simmons <[email protected]>
Reviewed-by: Neil Brown <[email protected]>
Reviewed-by: Oleg Drokin <[email protected]>
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