default, it is helpful for large sized SMR or ZNS devices to
reduce memory cost by getting rid of fs metadata supports small
discard.
+memory=%s Control memory mode. This supports "normal" and "low" modes.
+ "low" mode is introduced to support low memory devices.
+ Because of the nature of low memory devices, in this mode, f2fs
+ will try to save memory sometimes by sacrificing performance.
+ "normal" mode is the default mode and same as before.
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Debugfs Entries