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1ee4c04800
Prior to Linux 5.3, ->transport_lock in sunrpc required the _bh style spinlocks (when not called from a bottom-half handler). When upstream 3848e96edf4788f772d83990022fa7023a233d83 was backported to stable kernels, the spin_lock/unlock calls should have been changed to the _bh version, but this wasn't noted in the patch and didn't happen. So convert these lock/unlock calls to the _bh versions. This patch is required for any stable kernel prior to 5.3 to which the above mentioned patch was backported. Namely 4.9.y, 4.14.y, 4.19.y. Signed-off-by: NeilBrown <neilb@suse.de> Reported-by: Eugeniu Rosca <erosca@de.adit-jv.com> Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com> Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>