[LU-19577] o2iblnd: avoid use of kiblnd_destroy_fmr_pool_list under spinlock

• Type: Bug
• Resolution: Unresolved
• Priority: Medium
• Labels: o2iblnd
• Severity: 3
• Assignee: Serguei Smirnov
• Reporter: Serguei Smirnov

Description

Avoid use of kiblnd_destroy_fmr_pool_list under spinlock. This destroys FMR/FRMR pools under spinlock which leads into ib_dereg_mr() call which sleeps and causes "BUG: scheduling while atomic" when executing rmmod.