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Adopted erase_size/erase_count config in test block-devices/runners

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In separating the configuration of littlefs from the physical geometry
of the underlying device, we can no longer rely solely on lfs_config to
contain all of the information necessary for the simulated block devices
we use for testing.

This adds a new lfs_*bd_config struct for each of the block devices, and
new erase_size/erase_count fields. The erase_* name was chosen since
these reflect the (simulated) physical erase size and count of
erase-sized blocks, unlike the block_* variants which represent logical
block sizes used for littlefs's bookkeeping.

It may be worth adopting erase_size/erase_count in littlefs's config at
some point in the future, but at the moment doesn't seem necessary.

Changing the lfs_bd_config structs to be required is probably a good
idea anyways, as it moves us more towards separating the bds from
littlefs. Though we can't quite get rid of the lfs_config parameter
because of the block-device API in lfs_config. Eventually it would be
nice to get rid of it, but that would require API breakage.
This commit is contained in:
Christopher Haster
2022-11-11 15:05:34 -06:00
parent 9c23329dd7
commit 027331b2f0
13 changed files with 248 additions and 201 deletions
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16
tests/test_alloc.toml
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@@ -460,8 +460,8 @@ code = '''
# chained dir exhaustion test
[cases.test_alloc_chained_dir_exhaustion]
if = 'BLOCK_SIZE == 512'
defines.BLOCK_COUNT = 1024
if = 'ERASE_SIZE == 512'
defines.ERASE_COUNT = 1024
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
@@ -538,8 +538,8 @@ code = '''
# split dir test
[cases.test_alloc_split_dir]
if = 'BLOCK_SIZE == 512'
defines.BLOCK_COUNT = 1024
if = 'ERASE_SIZE == 512'
defines.ERASE_COUNT = 1024
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
@@ -587,8 +587,8 @@ code = '''
# outdated lookahead test
[cases.test_alloc_outdated_lookahead]
if = 'BLOCK_SIZE == 512'
defines.BLOCK_COUNT = 1024
if = 'ERASE_SIZE == 512'
defines.ERASE_COUNT = 1024
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;
@@ -655,8 +655,8 @@ code = '''
# outdated lookahead and split dir test
[cases.test_alloc_outdated_lookahead_split_dir]
if = 'BLOCK_SIZE == 512'
defines.BLOCK_COUNT = 1024
if = 'ERASE_SIZE == 512'
defines.ERASE_COUNT = 1024
code = '''
lfs_t lfs;
lfs_format(&lfs, cfg) => 0;