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WIP Added/fixed tests for noop writes (where bd error can't be trusted)

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This commit is contained in:
Christopher Haster
2020-01-29 17:50:38 -06:00
parent 47ab0426b1
commit 5e839df234
6 changed files with 80 additions and 188 deletions
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20
bd/lfs_testbd.h
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@@ -19,14 +19,18 @@ extern "C"
#endif
// Mode determining how "bad blocks" behave during testing. This
// simulates some real-world circumstances such as writes not
// going through (noprog), erases not sticking (noerase), and ECC
// failures (noread).
// Mode determining how "bad blocks" behave during testing. This simulates
// some real-world circumstances such as progs not sticking (prog-noop),
// a readonly disk (erase-noop), and ECC failures (read-error).
//
// Not that read-noop is not allowed. Read _must_ return a consistent (but
// may be arbitrary) value on every read.
enum lfs_testbd_badblock_behavior {
LFS_TESTBD_BADBLOCK_NOPROG = 0,
LFS_TESTBD_BADBLOCK_NOERASE = 1,
LFS_TESTBD_BADBLOCK_NOREAD = 2,
LFS_TESTBD_BADBLOCK_PROGERROR,
LFS_TESTBD_BADBLOCK_ERASEERROR,
LFS_TESTBD_BADBLOCK_READERROR,
LFS_TESTBD_BADBLOCK_PROGNOOP,
LFS_TESTBD_BADBLOCK_ERASENOOP,
};
// Type for measuring wear
@@ -82,7 +86,7 @@ typedef struct lfs_testbd {
/// Block device API ///
// Create a test block device using the geometry in lfs_config
//
//
// Note that filebd is used if a path is provided, if path is NULL
// testbd will use rambd which can be much faster.
int lfs_testbd_create(const struct lfs_config *cfg, const char *path);