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When a direct-write completes, a work_struct is schedule to handle the completion. When NFS is being used for swap, the direct write might be a swap-out, so memory allocation can block until the write completes. The work queue currently used is not WQ_MEM_RECLAIM, so tasks can block waiting for memory - this leads to deadlock. So use nfsiod_workqueue instead. This will always have a running thread, and work items should never block waiting for memory. Signed-off-by: Neil Brown <neilb@suse.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
1062 lines
29 KiB
1062 lines
29 KiB