diff options
Diffstat (limited to 'libnandfs/readblock.c')
| -rw-r--r-- | libnandfs/readblock.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libnandfs/readblock.c b/libnandfs/readblock.c new file mode 100644 index 00000000..cbf3222b --- /dev/null +++ b/libnandfs/readblock.c @@ -0,0 +1,36 @@ +#include "lib9.h" +#include "logfs.h" +#include "nandfs.h" +#include "local.h" + +char * +nandfsreadblock(Nandfs *nandfs, void *buf, long block, LogfsLowLevelReadResult *blocke) +{ + int p; + uchar *bp; + int ppb; + + *blocke = LogfsLowLevelReadResultOk; + ppb = 1 << nandfs->ll.l2pagesperblock; + for (p = 0, bp = buf; p < ppb; p++, bp += NandfsPageSize) { + LogfsLowLevelReadResult e; + char *errmsg; + errmsg = nandfsreadpage(nandfs, bp, nil, block, p, nandfs->printbad, &e); + if (errmsg) + return errmsg; + switch (e) { + case LogfsLowLevelReadResultOk: + break; + case LogfsLowLevelReadResultSoftError: + if (*blocke == LogfsLowLevelReadResultOk) + *blocke = LogfsLowLevelReadResultSoftError; + break; + case LogfsLowLevelReadResultHardError: + if (*blocke == LogfsLowLevelReadResultOk || *blocke == LogfsLowLevelReadResultSoftError) + *blocke = LogfsLowLevelReadResultHardError; + break; + } + } + + return nil; +} |
