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| /littlefs-2.7.6/ |
| D | README.md | 3 A little fail-safe filesystem designed for microcontrollers.
6 | | | .---._____
7 .-----. | |
8 --|o |---| littlefs |
9 --| |---| |
10 '-----' '----------'
14 **Power-loss resilience** - littlefs is designed to handle random power
15 failures. All file operations have strong copy-on-write guarantees and if
18 **Dynamic wear leveling** - littlefs is designed with flash in mind, and
22 **Bounded RAM/ROM** - littlefs is designed to work with a small amount of
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| D | DESIGN.md | 3 A little fail-safe filesystem designed for microcontrollers.
6 | | | .---._____
7 .-----. | |
8 --|o |---| littlefs |
9 --| |---| |
10 '-----' '----------'
16 filesystem that is resilient to power-loss and flash wear without using
19 This document covers the high-level design of littlefs, how it is different
21 low-level details covering every bit on disk, check out [SPEC.md](SPEC.md).
25 The embedded systems littlefs targets are usually 32-bit microcontrollers with
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| D | .travis.yml | 4 - CFLAGS=-Werror
5 - MAKEFLAGS=-j
11 - $HOME/.cache/apt
14 _: &install-common
16 - sudo apt-get install python3 python3-pip
17 - sudo pip3 install toml
18 # setup a ram-backed disk to speed up reentrant tests
19 - mkdir disks
20 - sudo mount -t tmpfs -o size=100m tmpfs disks
21 - export TFLAGS="$TFLAGS --disk=disks/disk"
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| /littlefs-2.7.6/tests/ |
| D | test_exhaustion.toml | 167 # These are a sort of high-level litmus test for wear-leveling. One definition
168 # of wear-leveling is that increasing a block device's space translates directly
172 [[case]] # wear-level test running a filesystem to exhaustion
264 [[case]] # wear-level test + expanding superblock
432 lfs_testbd_wear_t minwear = -1;
458 lfs_testbd_swear_t diff = wear - avgwear;
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| /littlefs-2.7.6/scripts/ |
| D | test.py | 27 ./scripts/explode_asserts.py $$< -o $$@
31 -include tests/*.d
35 $(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
50 'LFS_BLOCK_CYCLES': -1,
217 print('truncate --size=0', disk)
223 # simulate power-loss after n cycles?
231 ncmd.extend(['-ex', 'r'])
233 ncmd.extend(['-ex', 'up 2'])
236 '-ex', 'b %s:%d' % (self.suite.path, self.code_lineno),
237 '-ex', 'r'])
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