Merge pull request #1 from ARMmbed/master

upgrade

.travis.yml

@@ -138,12 +138,15 @@ jobs:
         - LFS_VERSION=$(grep -ox '#define LFS_VERSION .*' lfs.h | cut -d ' ' -f3)
         - LFS_VERSION_MAJOR=$((0xffff & ($LFS_VERSION >> 16)))
         - LFS_VERSION_MINOR=$((0xffff & ($LFS_VERSION >>  0)))
-        # Grab latests patch from repo tags, default to 0
-        - LFS_VERSION_PATCH=$(curl -f -u "$GEKY_BOT_RELEASES"
-                https://api.github.com/repos/$TRAVIS_REPO_SLUG/git/refs
-                | jq 'map(.ref | match(
-                    "refs/tags/v'"$LFS_VERSION_MAJOR"'\\.'"$LFS_VERSION_MINOR"'\\.(.*)$")
-                    .captures[].string | tonumber + 1) | max // 0')
+        # Grab latests patch from repo tags, default to 0, needs finagling to get past github's pagination api
+        - PREV_URL=https://api.github.com/repos/$TRAVIS_REPO_SLUG/git/refs/tags/v$LFS_VERSION_MAJOR.$LFS_VERSION_MINOR.
+        - PREV_URL=$(curl -u "$GEKY_BOT_RELEASES" "$PREV_URL" -I
+                | sed -n '/^Link/{s/.*<\(.*\)>; rel="last"/\1/;p;q0};$q1'
+                || echo $PREV_URL)
+        - LFS_VERSION_PATCH=$(curl -u "$GEKY_BOT_RELEASES" "$PREV_URL"
+                | jq 'map(.ref | match("\\bv.*\\..*\\.(.*)$";"g")
+                    .captures[].string | tonumber) | max + 1'
+                || echo 0)
         # We have our new version
         - LFS_VERSION="v$LFS_VERSION_MAJOR.$LFS_VERSION_MINOR.$LFS_VERSION_PATCH"
         - echo "VERSION $LFS_VERSION"
@@ -154,24 +157,35 @@ jobs:
                 | jq -re '.sha')
           if [ "$TRAVIS_COMMIT" == "$CURRENT_COMMIT" ]
           then
-            # Build release notes
-            PREV=$(git tag --sort=-v:refname -l "v*" | head -1)
-            if [ ! -z "$PREV" ]
-            then
-                echo "PREV $PREV"
-                CHANGES=$'### Changes\n\n'$( \
-                    git log --oneline $PREV.. --grep='^Merge' --invert-grep)
-                printf "CHANGES\n%s\n\n" "$CHANGES"
-            fi
-            # Create the release
+            # Create a simple tag
             curl -f -u "$GEKY_BOT_RELEASES" -X POST \
-                https://api.github.com/repos/$TRAVIS_REPO_SLUG/releases \
+                https://api.github.com/repos/$TRAVIS_REPO_SLUG/git/refs \
                 -d "{
-                    \"tag_name\": \"$LFS_VERSION\",
-                    \"target_commitish\": \"$TRAVIS_COMMIT\",
-                    \"name\": \"${LFS_VERSION%.0}\",
-                    \"body\": $(jq -sR '.' <<< "$CHANGES")
+                    \"ref\": \"refs/tags/$LFS_VERSION\",
+                    \"sha\": \"$TRAVIS_COMMIT\"
                 }"
+            # Minor release?
+            if [[ "$LFS_VERSION" == *.0 ]]
+            then
+              # Build release notes
+              PREV=$(git tag --sort=-v:refname -l "v*.0" | head -1)
+              if [ ! -z "$PREV" ]
+              then
+                  echo "PREV $PREV"
+                  CHANGES=$'### Changes\n\n'$( \
+                      git log --oneline $PREV.. --grep='^Merge' --invert-grep)
+                  printf "CHANGES\n%s\n\n" "$CHANGES"
+              fi
+              # Create the release
+              curl -f -u "$GEKY_BOT_RELEASES" -X POST \
+                  https://api.github.com/repos/$TRAVIS_REPO_SLUG/releases \
+                  -d "{
+                      \"tag_name\": \"$LFS_VERSION\",
+                      \"name\": \"${LFS_VERSION%.0}\",
+                      \"draft\": true,
+                      \"body\": $(jq -sR '.' <<< "$CHANGES")
+                  }"
+            fi
           fi
 
 # Manage statuses

Makefile

@@ -25,7 +25,8 @@ ifdef WORD
 override CFLAGS += -m$(WORD)
 endif
 override CFLAGS += -I.
-override CFLAGS += -std=c99 -Wall -pedantic -Wshadow -Wunused-parameter
+override CFLAGS += -std=c99 -Wall -pedantic
+override CFLAGS += -Wshadow -Wunused-parameter -Wjump-misses-init -Wsign-compare
 
 
 all: $(TARGET)

README.md

@@ -175,3 +175,18 @@ handy.
 [littlefs-js](https://github.com/geky/littlefs-js) - A javascript wrapper for
 littlefs. I'm not sure why you would want this, but it is handy for demos.
 You can see it in action [here](http://littlefs.geky.net/demo.html).
+
+[mklfs](https://github.com/whitecatboard/Lua-RTOS-ESP32/tree/master/components/mklfs/src) -
+A command line tool built by the [Lua RTOS](https://github.com/whitecatboard/Lua-RTOS-ESP32)
+guys for making littlefs images from a host PC. Supports Windows, Mac OS,
+and Linux.
+
+[SPIFFS](https://github.com/pellepl/spiffs) - Another excellent embedded
+filesystem for NOR flash. As a more traditional logging filesystem with full
+static wear-leveling, SPIFFS will likely outperform littlefs on small
+memories such as the internal flash on microcontrollers.
+
+[Dhara](https://github.com/dlbeer/dhara) - An interesting NAND flash
+translation layer designed for small MCUs. It offers static wear-leveling and
+power-resilience with only a fixed O(|address|) pointer structure stored on
+each block and in RAM.

emubd/lfs_emubd.c

@@ -47,19 +47,24 @@ int lfs_emubd_create(const struct lfs_config *cfg, const char *path) {
 
     // Load stats to continue incrementing
     snprintf(emu->child, LFS_NAME_MAX, "stats");
+
     FILE *f = fopen(emu->path, "r");
-    if (!f) {
+    if (!f && errno != ENOENT) {
         return -errno;
     }
 
-    size_t res = fread(&emu->stats, sizeof(emu->stats), 1, f);
-    if (res < 1) {
-        return -errno;
-    }
+    if (errno == ENOENT) {
+        memset(&emu->stats, 0x0, sizeof(emu->stats));
+    } else {
+        size_t res = fread(&emu->stats, sizeof(emu->stats), 1, f);
+        if (res < 1) {
+            return -errno;
+        }
 
-    err = fclose(f);
-    if (err) {
-        return -errno;
+        err = fclose(f);
+        if (err) {
+            return -errno;
+        }
     }
 
     return 0;

lfs.c

@@ -888,7 +888,7 @@ nextname:
         }
 
         // check that entry has not been moved
-        if (entry->d.type & 0x80) {
+        if (!lfs->moving && entry->d.type & 0x80) {
             int moved = lfs_moved(lfs, &entry->d.u);
             if (moved < 0 || moved) {
                 return (moved < 0) ? moved : LFS_ERR_NOENT;
@@ -1644,6 +1644,11 @@ lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
         file->pos = file->size;
     }
 
+    if (file->pos + size > LFS_FILE_MAX) {
+        // larger than file limit?
+        return LFS_ERR_FBIG;
+    }
+
     if (!(file->flags & LFS_F_WRITING) && file->pos > file->size) {
         // fill with zeros
         lfs_off_t pos = file->pos;
@@ -1730,24 +1735,24 @@ lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file,
         return err;
     }
 
-    // update pos
+    // find new pos
+    lfs_soff_t npos = file->pos;
     if (whence == LFS_SEEK_SET) {
-        file->pos = off;
+        npos = off;
     } else if (whence == LFS_SEEK_CUR) {
-        if (off < 0 && (lfs_off_t)-off > file->pos) {
-            return LFS_ERR_INVAL;
-        }
-
-        file->pos = file->pos + off;
+        npos = file->pos + off;
     } else if (whence == LFS_SEEK_END) {
-        if (off < 0 && (lfs_off_t)-off > file->size) {
-            return LFS_ERR_INVAL;
-        }
+        npos = file->size + off;
+    }
 
-        file->pos = file->size + off;
+    if (npos < 0 || npos > LFS_FILE_MAX) {
+        // file position out of range
+        return LFS_ERR_INVAL;
     }
 
-    return file->pos;
+    // update pos
+    file->pos = npos;
+    return npos;
 }
 
 int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size) {
@@ -1922,7 +1927,14 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
     // find old entry
     lfs_dir_t oldcwd;
     lfs_entry_t oldentry;
-    int err = lfs_dir_find(lfs, &oldcwd, &oldentry, &oldpath);
+    int err = lfs_dir_find(lfs, &oldcwd, &oldentry, &(const char *){oldpath});
+    if (err) {
+        return err;
+    }
+
+    // mark as moving
+    oldentry.d.type |= 0x80;
+    err = lfs_dir_update(lfs, &oldcwd, &oldentry, NULL);
     if (err) {
         return err;
     }
@@ -1935,11 +1947,9 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
         return err;
     }
 
-    bool prevexists = (err != LFS_ERR_NOENT);
-    bool samepair = (lfs_paircmp(oldcwd.pair, newcwd.pair) == 0);
-
     // must have same type
-    if (prevexists && preventry.d.type != oldentry.d.type) {
+    bool prevexists = (err != LFS_ERR_NOENT);
+    if (prevexists && preventry.d.type != (0x7f & oldentry.d.type)) {
         return LFS_ERR_ISDIR;
     }
 
@@ -1956,18 +1966,6 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
         }
     }
 
-    // mark as moving
-    oldentry.d.type |= 0x80;
-    err = lfs_dir_update(lfs, &oldcwd, &oldentry, NULL);
-    if (err) {
-        return err;
-    }
-
-    // update pair if newcwd == oldcwd
-    if (samepair) {
-        newcwd = oldcwd;
-    }
-
     // move to new location
     lfs_entry_t newentry = preventry;
     newentry.d = oldentry.d;
@@ -1986,10 +1984,13 @@ int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath) {
         }
     }
 
-    // update pair if newcwd == oldcwd
-    if (samepair) {
-        oldcwd = newcwd;
+    // fetch old pair again in case dir block changed
+    lfs->moving = true;
+    err = lfs_dir_find(lfs, &oldcwd, &oldentry, &oldpath);
+    if (err) {
+        return err;
     }
+    lfs->moving = false;
 
     // remove old entry
     err = lfs_dir_remove(lfs, &oldcwd, &oldentry);
@@ -2087,6 +2088,7 @@ static int lfs_init(lfs_t *lfs, const struct lfs_config *cfg) {
     lfs->files = NULL;
     lfs->dirs = NULL;
     lfs->deorphaned = false;
+    lfs->moving = false;
 
     return 0;
 
@@ -2096,83 +2098,86 @@ cleanup:
 }
 
 int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) {
-    int err = lfs_init(lfs, cfg);
-    if (err) {
-        return err;
-    }
+    int err = 0;
+    if (true) {
+        err = lfs_init(lfs, cfg);
+        if (err) {
+            return err;
+        }
 
-    // create free lookahead
-    memset(lfs->free.buffer, 0, lfs->cfg->lookahead/8);
-    lfs->free.off = 0;
-    lfs->free.size = lfs_min(lfs->cfg->lookahead, lfs->cfg->block_count);
-    lfs->free.i = 0;
-    lfs_alloc_ack(lfs);
+        // create free lookahead
+        memset(lfs->free.buffer, 0, lfs->cfg->lookahead/8);
+        lfs->free.off = 0;
+        lfs->free.size = lfs_min(lfs->cfg->lookahead, lfs->cfg->block_count);
+        lfs->free.i = 0;
+        lfs_alloc_ack(lfs);
 
-    // create superblock dir
-    lfs_dir_t superdir;
-    err = lfs_dir_alloc(lfs, &superdir);
-    if (err) {
-        goto cleanup;
-    }
+        // create superblock dir
+        lfs_dir_t superdir;
+        err = lfs_dir_alloc(lfs, &superdir);
+        if (err) {
+            goto cleanup;
+        }
 
-    // write root directory
-    lfs_dir_t root;
-    err = lfs_dir_alloc(lfs, &root);
-    if (err) {
-        goto cleanup;
-    }
+        // write root directory
+        lfs_dir_t root;
+        err = lfs_dir_alloc(lfs, &root);
+        if (err) {
+            goto cleanup;
+        }
 
-    err = lfs_dir_commit(lfs, &root, NULL, 0);
-    if (err) {
-        goto cleanup;
-    }
-
-    lfs->root[0] = root.pair[0];
-    lfs->root[1] = root.pair[1];
-
-    // write superblocks
-    lfs_superblock_t superblock = {
-        .off = sizeof(superdir.d),
-        .d.type = LFS_TYPE_SUPERBLOCK,
-        .d.elen = sizeof(superblock.d) - sizeof(superblock.d.magic) - 4,
-        .d.nlen = sizeof(superblock.d.magic),
-        .d.version = LFS_DISK_VERSION,
-        .d.magic = {"littlefs"},
-        .d.block_size  = lfs->cfg->block_size,
-        .d.block_count = lfs->cfg->block_count,
-        .d.root = {lfs->root[0], lfs->root[1]},
-    };
-    superdir.d.tail[0] = root.pair[0];
-    superdir.d.tail[1] = root.pair[1];
-    superdir.d.size = sizeof(superdir.d) + sizeof(superblock.d) + 4;
-
-    // write both pairs to be safe
-    lfs_superblock_tole32(&superblock.d);
-    bool valid = false;
-    for (int i = 0; i < 2; i++) {
-        err = lfs_dir_commit(lfs, &superdir, (struct lfs_region[]){
-                {sizeof(superdir.d), sizeof(superblock.d),
-                 &superblock.d, sizeof(superblock.d)}
-            }, 1);
-        if (err && err != LFS_ERR_CORRUPT) {
+        err = lfs_dir_commit(lfs, &root, NULL, 0);
+        if (err) {
             goto cleanup;
         }
 
-        valid = valid || !err;
-    }
+        lfs->root[0] = root.pair[0];
+        lfs->root[1] = root.pair[1];
+
+        // write superblocks
+        lfs_superblock_t superblock = {
+            .off = sizeof(superdir.d),
+            .d.type = LFS_TYPE_SUPERBLOCK,
+            .d.elen = sizeof(superblock.d) - sizeof(superblock.d.magic) - 4,
+            .d.nlen = sizeof(superblock.d.magic),
+            .d.version = LFS_DISK_VERSION,
+            .d.magic = {"littlefs"},
+            .d.block_size  = lfs->cfg->block_size,
+            .d.block_count = lfs->cfg->block_count,
+            .d.root = {lfs->root[0], lfs->root[1]},
+        };
+        superdir.d.tail[0] = root.pair[0];
+        superdir.d.tail[1] = root.pair[1];
+        superdir.d.size = sizeof(superdir.d) + sizeof(superblock.d) + 4;
 
-    if (!valid) {
-        err = LFS_ERR_CORRUPT;
-        goto cleanup;
-    }
+        // write both pairs to be safe
+        lfs_superblock_tole32(&superblock.d);
+        bool valid = false;
+        for (int i = 0; i < 2; i++) {
+            err = lfs_dir_commit(lfs, &superdir, (struct lfs_region[]){
+                    {sizeof(superdir.d), sizeof(superblock.d),
+                     &superblock.d, sizeof(superblock.d)}
+                }, 1);
+            if (err && err != LFS_ERR_CORRUPT) {
+                goto cleanup;
+            }
 
-    // sanity check that fetch works
-    err = lfs_dir_fetch(lfs, &superdir, (const lfs_block_t[2]){0, 1});
-    if (err) {
-        goto cleanup;
-    }
+            valid = valid || !err;
+        }
 
-    lfs_alloc_ack(lfs);
+        if (!valid) {
+            err = LFS_ERR_CORRUPT;
+            goto cleanup;
+        }
+
+        // sanity check that fetch works
+        err = lfs_dir_fetch(lfs, &superdir, (const lfs_block_t[2]){0, 1});
+        if (err) {
+            goto cleanup;
+        }
+
+        lfs_alloc_ack(lfs);
+    }
 
 cleanup:
     lfs_deinit(lfs);
@@ -2180,53 +2185,56 @@ cleanup:
 }
 
 int lfs_mount(lfs_t *lfs, const struct lfs_config *cfg) {
-    int err = lfs_init(lfs, cfg);
-    if (err) {
-        return err;
-    }
-
-    // setup free lookahead
-    lfs->free.off = 0;
-    lfs->free.size = 0;
-    lfs->free.i = 0;
-    lfs_alloc_ack(lfs);
+    int err = 0;
+    if (true) {
+        err = lfs_init(lfs, cfg);
+        if (err) {
+            return err;
+        }
 
-    // load superblock
-    lfs_dir_t dir;
-    lfs_superblock_t superblock;
-    err = lfs_dir_fetch(lfs, &dir, (const lfs_block_t[2]){0, 1});
-    if (err && err != LFS_ERR_CORRUPT) {
-        goto cleanup;
-    }
+        // setup free lookahead
+        lfs->free.off = 0;
+        lfs->free.size = 0;
+        lfs->free.i = 0;
+        lfs_alloc_ack(lfs);
 
-    if (!err) {
-        err = lfs_bd_read(lfs, dir.pair[0], sizeof(dir.d),
-                &superblock.d, sizeof(superblock.d));
-        lfs_superblock_fromle32(&superblock.d);
-        if (err) {
+        // load superblock
+        lfs_dir_t dir;
+        lfs_superblock_t superblock;
+        err = lfs_dir_fetch(lfs, &dir, (const lfs_block_t[2]){0, 1});
+        if (err && err != LFS_ERR_CORRUPT) {
             goto cleanup;
         }
 
-        lfs->root[0] = superblock.d.root[0];
-        lfs->root[1] = superblock.d.root[1];
-    }
+        if (!err) {
+            err = lfs_bd_read(lfs, dir.pair[0], sizeof(dir.d),
+                    &superblock.d, sizeof(superblock.d));
+            lfs_superblock_fromle32(&superblock.d);
+            if (err) {
+                goto cleanup;
+            }
 
-    if (err || memcmp(superblock.d.magic, "littlefs", 8) != 0) {
-        LFS_ERROR("Invalid superblock at %d %d", 0, 1);
-        err = LFS_ERR_CORRUPT;
-        goto cleanup;
-    }
+            lfs->root[0] = superblock.d.root[0];
+            lfs->root[1] = superblock.d.root[1];
+        }
 
-    uint16_t major_version = (0xffff & (superblock.d.version >> 16));
-    uint16_t minor_version = (0xffff & (superblock.d.version >>  0));
-    if ((major_version != LFS_DISK_VERSION_MAJOR ||
-         minor_version > LFS_DISK_VERSION_MINOR)) {
-        LFS_ERROR("Invalid version %d.%d", major_version, minor_version);
-        err = LFS_ERR_INVAL;
-        goto cleanup;
-    }
+        if (err || memcmp(superblock.d.magic, "littlefs", 8) != 0) {
+            LFS_ERROR("Invalid superblock at %d %d", 0, 1);
+            err = LFS_ERR_CORRUPT;
+            goto cleanup;
+        }
 
-    return 0;
+        uint16_t major_version = (0xffff & (superblock.d.version >> 16));
+        uint16_t minor_version = (0xffff & (superblock.d.version >>  0));
+        if ((major_version != LFS_DISK_VERSION_MAJOR ||
+             minor_version > LFS_DISK_VERSION_MINOR)) {
+            LFS_ERROR("Invalid version %d.%d", major_version, minor_version);
+            err = LFS_ERR_INVAL;
+            goto cleanup;
+        }
+
+        return 0;
+    }
 
 cleanup:
 
@@ -2475,7 +2483,11 @@ int lfs_deorphan(lfs_t *lfs) {
     lfs_dir_t cwd = {.d.tail[0] = 0, .d.tail[1] = 1};
 
     // iterate over all directory directory entries
-    while (!lfs_pairisnull(cwd.d.tail)) {
+    for (lfs_size_t i = 0; i < lfs->cfg->block_count; i++) {
+        if (lfs_pairisnull(cwd.d.tail)) {
+            return 0;
+        }
+
         int err = lfs_dir_fetch(lfs, &cwd, cwd.d.tail);
         if (err) {
             return err;
@@ -2504,7 +2516,7 @@ int lfs_deorphan(lfs_t *lfs) {
                     return err;
                 }
 
-                break;
+                return 0;
             }
 
             if (!lfs_pairsync(entry.d.u.dir, pdir.d.tail)) {
@@ -2520,7 +2532,7 @@ int lfs_deorphan(lfs_t *lfs) {
                     return err;
                 }
 
-                break;
+                return 0;
             }
         }
 
@@ -2565,5 +2577,7 @@ int lfs_deorphan(lfs_t *lfs) {
         memcpy(&pdir, &cwd, sizeof(pdir));
     }
 
-    return 0;
+    // If we reached here, we have more directory pairs than blocks in the
+    // filesystem... So something must be horribly wrong
+    return LFS_ERR_CORRUPT;
 }

lfs.h

@@ -21,7 +21,7 @@ extern "C"
 // Software library version
 // Major (top-nibble), incremented on backwards incompatible changes
 // Minor (bottom-nibble), incremented on feature additions
-#define LFS_VERSION 0x00010006
+#define LFS_VERSION 0x00010007
 #define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16))
 #define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >>  0))
 
@@ -49,6 +49,11 @@ typedef uint32_t lfs_block_t;
 #define LFS_NAME_MAX 255
 #endif
 
+// Max file size in bytes
+#ifndef LFS_FILE_MAX
+#define LFS_FILE_MAX 2147483647
+#endif
+
 // Possible error codes, these are negative to allow
 // valid positive return values
 enum lfs_error {
@@ -61,6 +66,7 @@ enum lfs_error {
     LFS_ERR_ISDIR    = -21,  // Entry is a dir
     LFS_ERR_NOTEMPTY = -39,  // Dir is not empty
     LFS_ERR_BADF     = -9,   // Bad file number
+    LFS_ERR_FBIG     = -27,  // File too large
     LFS_ERR_INVAL    = -22,  // Invalid parameter
     LFS_ERR_NOSPC    = -28,  // No space left on device
     LFS_ERR_NOMEM    = -12,  // No more memory available
@@ -280,6 +286,7 @@ typedef struct lfs {
 
     lfs_free_t free;
     bool deorphaned;
+    bool moving;
 } lfs_t;
 
 

tests/test_alloc.sh

@@ -32,18 +32,18 @@ lfs_alloc_singleproc() {
 tests/test.py << TEST
     const char *names[] = {"bacon", "eggs", "pancakes"};
     lfs_mount(&lfs, &cfg) => 0;
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         sprintf((char*)buffer, "$1/%s", names[n]);
         lfs_file_open(&lfs, &file[n], (char*)buffer,
                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
     }
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         size = strlen(names[n]);
         for (int i = 0; i < $SIZE; i++) {
             lfs_file_write(&lfs, &file[n], names[n], size) => size;
         }
     }
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         lfs_file_close(&lfs, &file[n]) => 0;
     }
     lfs_unmount(&lfs) => 0;

tests/test_dirs.sh

@@ -326,13 +326,42 @@ tests/test.py << TEST
     lfs_unmount(&lfs) => 0;
 TEST
 
+echo "--- Multi-block rename ---"
+tests/test.py << TEST
+    lfs_mount(&lfs, &cfg) => 0;
+    for (int i = 0; i < $LARGESIZE; i++) {
+        sprintf((char*)buffer, "cactus/test%d", i);
+        sprintf((char*)wbuffer, "cactus/tedd%d", i);
+        lfs_rename(&lfs, (char*)buffer, (char*)wbuffer) => 0;
+    }
+    lfs_unmount(&lfs) => 0;
+TEST
+tests/test.py << TEST
+    lfs_mount(&lfs, &cfg) => 0;
+    lfs_dir_open(&lfs, &dir[0], "cactus") => 0;
+    lfs_dir_read(&lfs, &dir[0], &info) => 1;
+    strcmp(info.name, ".") => 0;
+    info.type => LFS_TYPE_DIR;
+    lfs_dir_read(&lfs, &dir[0], &info) => 1;
+    strcmp(info.name, "..") => 0;
+    info.type => LFS_TYPE_DIR;
+    for (int i = 0; i < $LARGESIZE; i++) {
+        sprintf((char*)buffer, "tedd%d", i);
+        lfs_dir_read(&lfs, &dir[0], &info) => 1;
+        strcmp(info.name, (char*)buffer) => 0;
+        info.type => LFS_TYPE_DIR;
+    }
+    lfs_dir_read(&lfs, &dir[0], &info) => 0;
+    lfs_unmount(&lfs) => 0;
+TEST
+
 echo "--- Multi-block remove ---"
 tests/test.py << TEST
     lfs_mount(&lfs, &cfg) => 0;
     lfs_remove(&lfs, "cactus") => LFS_ERR_NOTEMPTY;
 
     for (int i = 0; i < $LARGESIZE; i++) {
-        sprintf((char*)buffer, "cactus/test%d", i);
+        sprintf((char*)buffer, "cactus/tedd%d", i);
         lfs_remove(&lfs, (char*)buffer) => 0;
     }
 
@@ -391,13 +420,43 @@ tests/test.py << TEST
     lfs_unmount(&lfs) => 0;
 TEST
 
+echo "--- Multi-block rename with files ---"
+tests/test.py << TEST
+    lfs_mount(&lfs, &cfg) => 0;
+    for (int i = 0; i < $LARGESIZE; i++) {
+        sprintf((char*)buffer, "prickly-pear/test%d", i);
+        sprintf((char*)wbuffer, "prickly-pear/tedd%d", i);
+        lfs_rename(&lfs, (char*)buffer, (char*)wbuffer) => 0;
+    }
+    lfs_unmount(&lfs) => 0;
+TEST
+tests/test.py << TEST
+    lfs_mount(&lfs, &cfg) => 0;
+    lfs_dir_open(&lfs, &dir[0], "prickly-pear") => 0;
+    lfs_dir_read(&lfs, &dir[0], &info) => 1;
+    strcmp(info.name, ".") => 0;
+    info.type => LFS_TYPE_DIR;
+    lfs_dir_read(&lfs, &dir[0], &info) => 1;
+    strcmp(info.name, "..") => 0;
+    info.type => LFS_TYPE_DIR;
+    for (int i = 0; i < $LARGESIZE; i++) {
+        sprintf((char*)buffer, "tedd%d", i);
+        lfs_dir_read(&lfs, &dir[0], &info) => 1;
+        strcmp(info.name, (char*)buffer) => 0;
+        info.type => LFS_TYPE_REG;
+        info.size => 6;
+    }
+    lfs_dir_read(&lfs, &dir[0], &info) => 0;
+    lfs_unmount(&lfs) => 0;
+TEST
+
 echo "--- Multi-block remove with files ---"
 tests/test.py << TEST
     lfs_mount(&lfs, &cfg) => 0;
     lfs_remove(&lfs, "prickly-pear") => LFS_ERR_NOTEMPTY;
 
     for (int i = 0; i < $LARGESIZE; i++) {
-        sprintf((char*)buffer, "prickly-pear/test%d", i);
+        sprintf((char*)buffer, "prickly-pear/tedd%d", i);
         lfs_remove(&lfs, (char*)buffer) => 0;
     }
 

tests/test_seek.sh

@@ -301,7 +301,7 @@ tests/test.py << TEST
     size = strlen("hedgehoghog");
     const lfs_soff_t offsets[] = {512, 1020, 513, 1021, 511, 1019};
 
-    for (int i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
+    for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
         lfs_soff_t off = offsets[i];
         memcpy(buffer, "hedgehoghog", size);
         lfs_file_seek(&lfs, &file[0], off, LFS_SEEK_SET) => off;

tests/test_truncate.sh

@@ -23,14 +23,14 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer,
                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
 
         strcpy((char*)buffer, "hair");
         size = strlen((char*)buffer);
-        for (int j = 0; j < startsizes[i]; j += size) {
+        for (lfs_off_t j = 0; j < startsizes[i]; j += size) {
             lfs_file_write(&lfs, &file[0], buffer, size) => size;
         }
         lfs_file_size(&lfs, &file[0]) => startsizes[i];
@@ -55,13 +55,13 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer, LFS_O_RDWR) => 0;
         lfs_file_size(&lfs, &file[0]) => hotsizes[i];
 
         size = strlen("hair");
-        int j = 0;
+        lfs_off_t j = 0;
         for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
             lfs_file_read(&lfs, &file[0], buffer, size) => size;
             memcmp(buffer, "hair", size) => 0;
@@ -87,13 +87,13 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer, LFS_O_RDONLY) => 0;
         lfs_file_size(&lfs, &file[0]) => coldsizes[i];
 
         size = strlen("hair");
-        int j = 0;
+        lfs_off_t j = 0;
         for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
                 j += size) {
             lfs_file_read(&lfs, &file[0], buffer, size) => size;