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+# SPDX-License-Identifier: GPL-2.0
+
+config EROFS_FS
+ tristate "EROFS filesystem support"
+ depends on BLOCK
+ help
+ EROFS(Enhanced Read-Only File System) is a lightweight
+ read-only file system with modern designs (eg. page-sized
+ blocks, inline xattrs/data, etc.) for scenarios which need
+ high-performance read-only requirements, eg. firmwares in
+ mobile phone or LIVECDs.
+
+ It also provides VLE compression support, focusing on
+ random read improvements, keeping relatively lower
+ compression ratios, which is useful for high-performance
+ devices with limited memory and ROM space.
+
+ If unsure, say N.
+
+config EROFS_FS_DEBUG
+ bool "EROFS debugging feature"
+ depends on EROFS_FS
+ help
+ Print EROFS debugging messages and enable more BUG_ONs
+ which check the filesystem consistency aggressively.
+
+ For daily use, say N.
+
+config EROFS_FS_USE_VM_MAP_RAM
+ bool "EROFS VM_MAP_RAM Support"
+ depends on EROFS_FS
+ help
+ use vm_map_ram/vm_unmap_ram instead of vmap/vunmap.
+
+ If you don't know what these are, say N.
+