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Added lfs_rbyd_get, bumped hint back up to full during lookup

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The idea behind the full hint is that we may stay on the current search
path, benefiting from a loaded cache. Though this should probably be
benchmarked eventually.
This commit is contained in:
Christopher Haster
2022-12-28 15:45:48 -06:00
parent 3c17c94b94
commit 6c66e20349
2 changed files with 175 additions and 2 deletions
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tests/test_rbyd.toml
+145
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@@ -230,6 +230,151 @@ code = '''
=> LFS_ERR_NOENT;
'''
[cases.test_rbyd_get]
in = 'lfs.c'
code = '''
lfs_t lfs;
lfs_init(&lfs, cfg) => 0;
lfs_rbyd_t init_rbyd = {
.block = 0,
.trunk = 0,
.off = 0,
.rev = 1,
.crc = 0,
.count = 0,
.erased = true,
};
lfs_rbyd_t rbyd;
uint8_t buffer[4];
// try an empty commit
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> LFS_ERR_NOENT;
// commit with one attribute
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd,
LFS_MKRATTR(UATTR, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
assert(memcmp(buffer, &(uint32_t){0xaaaaaaaa}, 4) == 0);
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
assert(memcmp(buffer, &(uint32_t){0xaaaaaaaa}, 4) == 0);
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> LFS_ERR_NOENT;
// commit with two attributes
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd,
LFS_MKRATTR(UATTR, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
LFS_MKRATTR(UATTR, 2, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL))) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 3, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 3, 0), buffer, 4)
=> LFS_ERR_NOENT;
'''
[cases.test_rbyd_multi_get]
in = 'lfs.c'
code = '''
lfs_t lfs;
lfs_init(&lfs, cfg) => 0;
lfs_rbyd_t init_rbyd = {
.block = 0,
.trunk = 0,
.off = 0,
.rev = 1,
.crc = 0,
.count = 0,
.erased = true,
};
lfs_rbyd_t rbyd;
uint8_t buffer[4];
// try an empty commit
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> LFS_ERR_NOENT;
// commit with one attribute
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd,
LFS_MKRATTR(UATTR, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
assert(memcmp(buffer, &(uint32_t){0xaaaaaaaa}, 4) == 0);
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
assert(memcmp(buffer, &(uint32_t){0xaaaaaaaa}, 4) == 0);
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> LFS_ERR_NOENT;
// commit with two attributes
rbyd = init_rbyd;
lfs_bd_erase(&lfs, rbyd.block) => 0;
lfs_rbyd_commit(&lfs, &rbyd,
LFS_MKRATTR(UATTR, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
lfs_rbyd_commit(&lfs, &rbyd,
LFS_MKRATTR(UATTR, 2, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL)) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 3, 0), buffer, 4)
=> LFS_ERR_NOENT;
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 1, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 2, 0), buffer, 4)
=> 4;
lfs_rbyd_get(&lfs, &rbyd, LFS_MKRTAG(UATTR, 3, 0), buffer, 4)
=> LFS_ERR_NOENT;
'''
[cases.test_rbyd_traverse]
in = 'lfs.c'
code = '''