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Diffstat (limited to 'drivers/staging/erofs/Kconfig')
-rw-r--r-- | drivers/staging/erofs/Kconfig | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/drivers/staging/erofs/Kconfig b/drivers/staging/erofs/Kconfig deleted file mode 100644 index d04b798a8efb..000000000000 --- a/drivers/staging/erofs/Kconfig +++ /dev/null @@ -1,151 +0,0 @@ -# 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_XATTR - bool "EROFS extended attributes" - depends on EROFS_FS - default y - help - Extended attributes are name:value pairs associated with inodes by - the kernel or by users (see the attr(5) manual page, or visit - <http://acl.bestbits.at/> for details). - - If unsure, say N. - -config EROFS_FS_POSIX_ACL - bool "EROFS Access Control Lists" - depends on EROFS_FS_XATTR - select FS_POSIX_ACL - default y - help - Posix Access Control Lists (ACLs) support permissions for users and - groups beyond the owner/group/world scheme. - - To learn more about Access Control Lists, visit the POSIX ACLs for - Linux website <http://acl.bestbits.at/>. - - If you don't know what Access Control Lists are, say N. - -config EROFS_FS_SECURITY - bool "EROFS Security Labels" - depends on EROFS_FS_XATTR - help - Security labels provide an access control facility to support Linux - Security Models (LSMs) accepted by AppArmor, SELinux, Smack and TOMOYO - Linux. This option enables an extended attribute handler for file - security labels in the erofs filesystem, so that it requires enabling - the extended attribute support in advance. - - If you are not using a security module, 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. - -config EROFS_FAULT_INJECTION - bool "EROFS fault injection facility" - depends on EROFS_FS - help - Test EROFS to inject faults such as ENOMEM, EIO, and so on. - If unsure, say N. - -config EROFS_FS_IO_MAX_RETRIES - int "EROFS IO Maximum Retries" - depends on EROFS_FS - default "5" - help - Maximum retry count of IO Errors. - - If unsure, leave the default value (5 retries, 6 IOs at most). - -config EROFS_FS_ZIP - bool "EROFS Data Compresssion Support" - depends on EROFS_FS - select LZ4_DECOMPRESS - help - Currently we support LZ4 VLE Compression only. - Play at your own risk. - - If you don't want to use compression feature, say N. - -config EROFS_FS_CLUSTER_PAGE_LIMIT - int "EROFS Cluster Pages Hard Limit" - depends on EROFS_FS_ZIP - range 1 256 - default "1" - help - Indicates VLE compressed pages hard limit of a - compressed cluster. - - For example, if files of a image are compressed - into 8k-unit, the hard limit should not be less - than 2. Otherwise, the image cannot be mounted - correctly on this kernel. - -choice - prompt "EROFS VLE Data Decompression mode" - depends on EROFS_FS_ZIP - default EROFS_FS_ZIP_CACHE_BIPOLAR - help - EROFS supports three options for VLE decompression. - "In-place Decompression Only" consumes the minimum memory - with lowest random read. - - "Bipolar Cached Decompression" consumes the maximum memory - with highest random read. - - If unsure, select "Bipolar Cached Decompression" - -config EROFS_FS_ZIP_NO_CACHE - bool "In-place Decompression Only" - help - Read compressed data into page cache and do in-place - decompression directly. - -config EROFS_FS_ZIP_CACHE_UNIPOLAR - bool "Unipolar Cached Decompression" - help - For each request, it caches the last compressed page - for further reading. - It still decompresses in place for the rest compressed pages. - -config EROFS_FS_ZIP_CACHE_BIPOLAR - bool "Bipolar Cached Decompression" - help - For each request, it caches the both end compressed pages - for further reading. - It still decompresses in place for the rest compressed pages. - - Recommended for performance priority. - -endchoice - |