sys/linux: updated fuse fs specifications #14541

Job	Run time
dashboard	3m 46s
build	11m 1s
arch (presubmit_arch_linux)	10m 31s
aux	4m 38s
arch (presubmit_arch_freebsd)	6m 31s
gvisor	4m 2s
arch (presubmit_arch_netbsd)	4m 16s
old	6m 28s
race	7m 56s
arch (presubmit_arch_openbsd)	4m 15s
race_dashboard	4m 15s
arch (presubmit_arch_darwin)	4m 18s
arch (presubmit_arch_windows)	3m 23s
arch (presubmit_arch_executor)	3m 21s
	1h 18m 41s

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