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incubator-nuttx/fs/cromfs/Kconfig

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Addes CROMFS prototype. CROMFS is a commpressed, in-memory read-only file system based on LZF. Squashed commit of the following: fs/cromfs: Now depends on EXPERIMENTAL because it is not yet verified. fs/cromfs: This commit brings the CROMFS file system to code complete. Still completely untested. Next steps: Need a tool to generate CROMFS file system images and a test case under apps/ fs/cromfs: Add logic to traverse the in-memory file system nodes. fs/cromfs: Add initial support for an in-memory, compressed, read-only file system.
2018-03-19 21:08:40 +08:00
#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config FS_CROMFS
bool "CROMFS file system"
default n
fs/cromfs: Remove CONFIG_EXPERIMINTAL dependency.
2018-03-21 10:04:29 +08:00
depends on !DISABLE_MOUNTPOINT
Addes CROMFS prototype. CROMFS is a commpressed, in-memory read-only file system based on LZF. Squashed commit of the following: fs/cromfs: Now depends on EXPERIMENTAL because it is not yet verified. fs/cromfs: This commit brings the CROMFS file system to code complete. Still completely untested. Next steps: Need a tool to generate CROMFS file system images and a test case under apps/ fs/cromfs: Add logic to traverse the in-memory file system nodes. fs/cromfs: Add initial support for an in-memory, compressed, read-only file system.
2018-03-19 21:08:40 +08:00
select FS_READABLE
fs/cromfs: Fix a error in reading partial compressed blocks. The LZF decompressor does not support that operation. Instead we have to decompress full block into a temporary buffer and copy out the parts that we need. To compensate for the performance hit, a caching mechanism was added so that we do not have to read the same block repeatedly. Unrelated: Also updates some README files.
2018-03-25 01:30:35 +08:00
select LIBC_LZF
Addes CROMFS prototype. CROMFS is a commpressed, in-memory read-only file system based on LZF. Squashed commit of the following: fs/cromfs: Now depends on EXPERIMENTAL because it is not yet verified. fs/cromfs: This commit brings the CROMFS file system to code complete. Still completely untested. Next steps: Need a tool to generate CROMFS file system images and a test case under apps/ fs/cromfs: Add logic to traverse the in-memory file system nodes. fs/cromfs: Add initial support for an in-memory, compressed, read-only file system.
2018-03-19 21:08:40 +08:00
---help---
Enable Compessed Read-Only Filesystem (CROMFS) support
if FS_CROMFS
endif