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05f2253a33
nuttx-apps/testing/fstest/fstest_main.c
Gregory Nutt 05f2253a33 Remove CONFIG_CAN_PASS_STRUCT 
This is the companion to PR #766.  It removes the CONFIG_CAN_PASS_STRUCT option as recommended by Issue #620

NuttX PR #766 depends on PR being in place but not vice versa.  This PR should be merge-able without #766 and then PR #766 should also pass its checks.
2020-04-11 20:32:53 +01:00

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/****************************************************************************
* testing/fstest/fstest_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/mount.h>
#include <sys/ioctl.h>
#include <sys/statfs.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <string.h>
#include <errno.h>
#include <crc32.h>
#include <debug.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_TESTING_FSTEST_MAXNAME
# define CONFIG_TESTING_FSTEST_MAXNAME 128
#endif
#if CONFIG_TESTING_FSTEST_MAXNAME > 255
# undef CONFIG_TESTING_FSTEST_MAXNAME
# define CONFIG_TESTING_FSTEST_MAXNAME 255
#endif
#ifndef CONFIG_TESTING_FSTEST_MAXFILE
# define CONFIG_TESTING_FSTEST_MAXFILE 8192
#endif
#ifndef CONFIG_TESTING_FSTEST_MAXIO
# define CONFIG_TESTING_FSTEST_MAXIO 347
#endif
#ifndef CONFIG_TESTING_FSTEST_MAXOPEN
# define CONFIG_TESTING_FSTEST_MAXOPEN 512
#endif
#ifndef CONFIG_TESTING_FSTEST_MOUNTPT
# error CONFIG_TESTING_FSTEST_MOUNTPT must be provided
#endif
#ifndef CONFIG_TESTING_FSTEST_NLOOPS
# define CONFIG_TESTING_FSTEST_NLOOPS 100
#endif
#ifndef CONFIG_TESTING_FSTEST_VERBOSE
# define CONFIG_TESTING_FSTEST_VERBOSE 0
#endif
/****************************************************************************
* Private Types
****************************************************************************/
struct fstest_filedesc_s
{
FAR char *name;
bool deleted;
bool failed;
size_t len;
uint32_t crc;
};
/****************************************************************************
* Private Data
****************************************************************************/
/* Pre-allocated simulated flash */
static uint8_t g_fileimage[CONFIG_TESTING_FSTEST_MAXFILE];
static struct fstest_filedesc_s g_files[CONFIG_TESTING_FSTEST_MAXOPEN];
static const char g_mountdir[] = CONFIG_TESTING_FSTEST_MOUNTPT "/";
static int g_nfiles;
static int g_ndeleted;
static int g_nfailed;
static bool g_media_full;
static struct mallinfo g_mmbefore;
static struct mallinfo g_mmprevious;
static struct mallinfo g_mmafter;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: fstest_memusage
****************************************************************************/
static void fstest_showmemusage(struct mallinfo *mmbefore,
struct mallinfo *mmafter)
{
printf("VARIABLE BEFORE AFTER\n");
printf("======== ======== ========\n");
printf("arena %8x %8x\n", mmbefore->arena, mmafter->arena);
printf("ordblks %8d %8d\n", mmbefore->ordblks, mmafter->ordblks);
printf("mxordblk %8x %8x\n", mmbefore->mxordblk, mmafter->mxordblk);
printf("uordblks %8x %8x\n", mmbefore->uordblks, mmafter->uordblks);
printf("fordblks %8x %8x\n", mmbefore->fordblks, mmafter->fordblks);
}
/****************************************************************************
* Name: fstest_loopmemusage
****************************************************************************/
static void fstest_loopmemusage(void)
{
/* Get the current memory usage */
g_mmafter = mallinfo();
/* Show the change from the previous loop */
printf("\nEnd of loop memory usage:\n");
fstest_showmemusage(&g_mmprevious, &g_mmafter);
/* Set up for the next test */
g_mmprevious = g_mmafter;
}
/****************************************************************************
* Name: fstest_endmemusage
****************************************************************************/
static void fstest_endmemusage(void)
{
g_mmafter = mallinfo();
printf("\nFinal memory usage:\n");
fstest_showmemusage(&g_mmbefore, &g_mmafter);
}
/****************************************************************************
* Name: fstest_randchar
****************************************************************************/
static inline char fstest_randchar(void)
{
int value = rand() % 63;
if (value == 0)
{
return '0';
}
else if (value <= 10)
{
return value + '0' - 1;
}
else if (value <= 36)
{
return value + 'a' - 11;
}
else /* if (value <= 62) */
{
return value + 'A' - 37;
}
}
/****************************************************************************
* Name: fstest_randname
****************************************************************************/
static inline void fstest_randname(FAR struct fstest_filedesc_s *file)
{
int dirlen;
int maxname;
int namelen;
int alloclen;
int i;
dirlen = strlen(g_mountdir);
maxname = CONFIG_TESTING_FSTEST_MAXNAME - dirlen;
namelen = (rand() % maxname) + 1;
alloclen = namelen + dirlen;
file->name = (FAR char*)malloc(alloclen + 1);
if (!file->name)
{
printf("ERROR: Failed to allocate name, length=%d\n", namelen);
fflush(stdout);
exit(5);
}
memcpy(file->name, g_mountdir, dirlen);
for (i = dirlen; i < alloclen; i++)
{
file->name[i] = fstest_randchar();
}
file->name[alloclen] = '\0';
}
/****************************************************************************
* Name: fstest_randfile
****************************************************************************/
static inline void fstest_randfile(FAR struct fstest_filedesc_s *file)
{
int i;
file->len = (rand() % CONFIG_TESTING_FSTEST_MAXFILE) + 1;
for (i = 0; i < file->len; i++)
{
g_fileimage[i] = fstest_randchar();
}
file->crc = crc32(g_fileimage, file->len);
}
/****************************************************************************
* Name: fstest_freefile
****************************************************************************/
static void fstest_freefile(FAR struct fstest_filedesc_s *file)
{
if (file->name)
{
free(file->name);
}
memset(file, 0, sizeof(struct fstest_filedesc_s));
}
/****************************************************************************
* Name: fstest_gc and fstest_gc_withfd
****************************************************************************/
#ifdef CONFIG_TESTING_FSTEST_SPIFFS
static int fstest_gc_withfd(int fd, size_t nbytes)
{
int ret;
#ifdef CONFIG_SPIFFS_DUMP
/* Dump the logic content of FLASH before garbage collection */
printf("SPIFFS Content (before GC):\n");
ret = ioctl(fd, FIOC_DUMP, (unsigned long)nbytes);
if (ret < 0)
{
printf("ERROR: ioctl(FIOC_DUMP) failed: %d\n", errno);
}
#endif
/* Perform SPIFFS garbage collection */
printf("SPIFFS Garbage Collection: %lu bytes\n", (unsigned long)nbytes);
ret = ioctl(fd, FIOC_OPTIMIZE, (unsigned long)nbytes);
if (ret < 0)
{
int ret2;
printf("ERROR: ioctl(FIOC_OPTIMIZE) failed: %d\n", errno);
printf("SPIFFS Integrity Test\n");
ret2 = ioctl(fd, FIOC_INTEGRITY, 0);
if (ret2 < 0)
{
printf("ERROR: ioctl(FIOC_INTEGRITY) failed: %d\n", errno);
}
}
else
{
/* Check the integrity of the SPIFFS file system */
printf("SPIFFS Integrity Test\n");
ret = ioctl(fd, FIOC_INTEGRITY, 0);
if (ret < 0)
{
printf("ERROR: ioctl(FIOC_INTEGRITY) failed: %d\n", errno);
}
}
#ifdef CONFIG_SPIFFS_DUMP
/* Dump the logic content of FLASH after garbage collection */
printf("SPIFFS Content (After GC):\n");
ret = ioctl(fd, FIOC_DUMP, (unsigned long)nbytes);
if (ret < 0)
{
printf("ERROR: ioctl(FIOC_DUMP) failed: %d\n", errno);
}
#endif
return ret;
}
static int fstest_gc(size_t nbytes)
{
FAR struct fstest_filedesc_s *file;
int ret = OK;
int fd;
int i;
/* Find the first valid file */
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name != NULL && !file->deleted)
{
/* Open the file for reading */
fd = open(file->name, O_RDONLY);
if (fd < 0)
{
printf("ERROR: Failed to open file for reading: %d\n", errno);
ret = ERROR;
}
else
{
/* Use this file descriptor to support the garbage collection */
ret = fstest_gc_withfd(fd, nbytes);
close(fd);
}
break;
}
}
return ret;
}
#else
# define fstest_gc_withfd(f,n) (-ENOSYS)
# define fstest_gc(n) (-ENOSYS)
#endif
/****************************************************************************
* Name: fstest_wrfile
****************************************************************************/
static inline int fstest_wrfile(FAR struct fstest_filedesc_s *file)
{
size_t offset;
int fd;
int ret;
/* Create a random file */
fstest_randname(file);
fstest_randfile(file);
fd = open(file->name, O_WRONLY | O_CREAT | O_EXCL, 0666);
if (fd < 0)
{
/* If it failed because there is no space on the device, then don't
* complain.
*/
if (errno != ENOSPC)
{
printf("ERROR: Failed to open file for writing: %d\n", errno);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
}
fstest_freefile(file);
return ERROR;
}
/* Write a random amount of data to the file */
for (offset = 0; offset < file->len; )
{
size_t maxio = (rand() % CONFIG_TESTING_FSTEST_MAXIO) + 1;
size_t nbytestowrite = file->len - offset;
ssize_t nbyteswritten;
if (nbytestowrite > maxio)
{
nbytestowrite = maxio;
}
nbyteswritten = write(fd, &g_fileimage[offset], nbytestowrite);
if (nbyteswritten < 0)
{
int errcode = errno;
/* If the write failed because an interrupt occurred or because there
* there is no space on the device, then don't complain.
*/
if (errcode == EINTR)
{
continue;
}
else if (errcode == ENOSPC)
{
g_media_full = true;
}
else
{
printf("ERROR: Failed to write file: %d\n", errcode);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Write offset: %ld\n", (long)offset);
printf(" Write size: %ld\n", (long)nbytestowrite);
}
close(fd);
/* Remove any garbage file that might have been left behind */
ret = unlink(file->name);
if (ret < 0)
{
printf(" Failed to remove partial file\n");
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf(" Successfully removed partial file\n");
#endif
}
fstest_freefile(file);
return ERROR;
}
else if (nbyteswritten != nbytestowrite)
{
printf("ERROR: Partial write:\n");
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Write offset: %ld\n", (long)offset);
printf(" Write size: %ld\n", (long)nbytestowrite);
printf(" Written: %ld\n", (long)nbyteswritten);
}
offset += nbyteswritten;
}
close(fd);
return OK;
}
/****************************************************************************
* Name: fstest_fillfs
****************************************************************************/
static int fstest_fillfs(void)
{
FAR struct fstest_filedesc_s *file;
int ret;
int i;
/* Create a file for each unused file structure */
g_media_full = false;
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name == NULL)
{
ret = fstest_wrfile(file);
if (ret < 0)
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf("ERROR: Failed to write file %d\n", i);
#endif
return ERROR;
}
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf(" Created file %s\n", file->name);
#endif
g_nfiles++;
if (g_media_full)
{
break;
}
}
}
return OK;
}
/****************************************************************************
* Name: fstest_rdblock
****************************************************************************/
static ssize_t fstest_rdblock(int fd, FAR struct fstest_filedesc_s *file,
size_t offset, size_t len)
{
size_t maxio = (rand() % CONFIG_TESTING_FSTEST_MAXIO) + 1;
ssize_t nbytesread;
if (len > maxio)
{
len = maxio;
}
for (; ; )
{
nbytesread = read(fd, &g_fileimage[offset], len);
if (nbytesread < 0)
{
int errcode = errno;
if (errcode == EINTR)
{
continue;
}
else
{
printf("ERROR: Failed to read file: %d\n", errno);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Read offset: %ld\n", (long)offset);
printf(" Read size: %ld\n", (long)len);
return ERROR;
}
}
else if (nbytesread == 0)
{
#if 0 /* No... we do this on purpose sometimes */
printf("ERROR: Unexpected end-of-file:\n");
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Read offset: %ld\n", (long)offset);
printf(" Read size: %ld\n", (long)len);
#endif
return ERROR;
}
else if (nbytesread != len)
{
printf("ERROR: Partial read:\n");
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Read offset: %ld\n", (long)offset);
printf(" Read size: %ld\n", (long)len);
printf(" Bytes read: %ld\n", (long)nbytesread);
}
return nbytesread;
}
}
/****************************************************************************
* Name: fstest_rdfile
****************************************************************************/
static inline int fstest_rdfile(FAR struct fstest_filedesc_s *file)
{
size_t ntotalread;
ssize_t nbytesread;
uint32_t crc;
int fd;
/* Open the file for reading */
fd = open(file->name, O_RDONLY);
if (fd < 0)
{
if (!file->deleted)
{
printf("ERROR: Failed to open file for reading: %d\n", errno);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
}
return ERROR;
}
/* Read all of the data info the file image buffer using random read sizes */
for (ntotalread = 0; ntotalread < file->len; )
{
nbytesread = fstest_rdblock(fd, file, ntotalread, file->len - ntotalread);
if (nbytesread < 0)
{
close(fd);
return ERROR;
}
ntotalread += nbytesread;
}
/* Verify the file image CRC */
crc = crc32(g_fileimage, file->len);
if (crc != file->crc)
{
printf("ERROR: Bad CRC: %d vs %d\n", crc, file->crc);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
close(fd);
return ERROR;
}
/* Try reading past the end of the file */
nbytesread = fstest_rdblock(fd, file, ntotalread, 1024) ;
if (nbytesread > 0)
{
printf("ERROR: Read past the end of file\n");
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" Bytes read: %ld\n", (long)nbytesread);
close(fd);
return ERROR;
}
close(fd);
return OK;
}
/****************************************************************************
* Name: fstest_filesize
****************************************************************************/
#ifdef CONFIG_HAVE_LONG_LONG
static unsigned long long fstest_filesize(void)
{
unsigned long long bytes_used;
FAR struct fstest_filedesc_s *file;
int i;
bytes_used = 0;
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name != NULL && !file->deleted)
{
bytes_used += file->len;
}
}
return bytes_used;
}
#else
static unsigned long fstest_filesize(void)
{
unsigned long bytes_used;
FAR struct fstest_filedesc_s *file;
int i;
bytes_used = 0;
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name != NULL && !file->deleted)
{
bytes_used += file->len;
}
}
return bytes_used;
}
#endif
/****************************************************************************
* Name: fstest_verifyfs
****************************************************************************/
static int fstest_verifyfs(void)
{
FAR struct fstest_filedesc_s *file;
int ret;
int i;
/* Create a file for each unused file structure */
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name != NULL)
{
ret = fstest_rdfile(file);
if (ret < 0)
{
if (file->deleted)
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf("Deleted file %d OK\n", i);
#endif
fstest_freefile(file);
g_ndeleted--;
g_nfiles--;
}
else
{
printf("ERROR: Failed to read a file: %d\n", i);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
return ERROR;
}
}
else
{
if (file->deleted)
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf("ERROR: Successfully read a deleted file\n");
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
#endif
fstest_freefile(file);
g_ndeleted--;
g_nfiles--;
return ERROR;
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf(" Verified file %s\n", file->name);
#endif
}
}
}
}
return OK;
}
/****************************************************************************
* Name: fstest_delfiles
****************************************************************************/
static int fstest_delfiles(void)
{
FAR struct fstest_filedesc_s *file;
int ndel;
int ret;
int i;
int j;
/* Are there any files to be deleted? */
int nfiles = g_nfiles - g_ndeleted - g_nfailed;
if (nfiles <= 1)
{
return 0;
}
/* Yes... How many files should we delete? */
ndel = (rand() % nfiles) + 1;
/* Now pick which files to delete */
for (i = 0; i < ndel; i++)
{
/* Guess a file index */
int ndx = (rand() % (g_nfiles - g_ndeleted));
/* And delete the next undeleted file after that random index. NOTE
* that the entry at ndx is not checked.
*/
for (j = ndx + 1; j != ndx; j++)
{
/* Test for wrap-around */
if (j >= CONFIG_TESTING_FSTEST_MAXOPEN)
{
j = 0;
}
file = &g_files[j];
if (file->name && !file->deleted)
{
ret = unlink(file->name);
if (ret < 0)
{
printf("ERROR: Unlink %d failed: %d\n", i+1, errno);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" File index: %d\n", j);
/* If we don't do this we can get stuck in an infinite
* loop on certain failures to unlink a file.
*/
file->failed = true;
g_nfailed++;
nfiles--;
if (nfiles < 1)
{
return ret;
}
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf(" Deleted file %s\n", file->name);
#endif
file->deleted = true;
g_ndeleted++;
break;
}
}
}
}
return OK;
}
/****************************************************************************
* Name: fstest_delallfiles
****************************************************************************/
static int fstest_delallfiles(void)
{
FAR struct fstest_filedesc_s *file;
int ret;
int i;
for (i = 0; i < CONFIG_TESTING_FSTEST_MAXOPEN; i++)
{
file = &g_files[i];
if (file->name)
{
ret = unlink(file->name);
if (ret < 0)
{
printf("ERROR: Unlink %d failed: %d\n", i+1, errno);
printf(" File name: %s\n", file->name);
printf(" File size: %d\n", file->len);
printf(" File index: %d\n", i);
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf(" Deleted file %s\n", file->name);
#endif
fstest_freefile(file);
}
}
}
g_nfiles = 0;
g_ndeleted = 0;
return OK;
}
/****************************************************************************
* Name: fstest_directory
****************************************************************************/
static int fstest_directory(void)
{
DIR *dirp;
FAR struct dirent *entryp;
int number;
/* Open the directory */
dirp = opendir(CONFIG_TESTING_FSTEST_MOUNTPT);
if (!dirp)
{
/* Failed to open the directory */
printf("ERROR: Failed to open directory '%s': %d\n",
CONFIG_TESTING_FSTEST_MOUNTPT, errno);
return ERROR;
}
/* Read each directory entry */
printf("Directory:\n");
number = 1;
do
{
entryp = readdir(dirp);
if (entryp)
{
printf("%2d. Type[%d]: %s Name: %s\n",
number, entryp->d_type,
entryp->d_type == DTYPE_FILE ? "File " : "Error",
entryp->d_name);
}
number++;
}
while (entryp != NULL);
closedir(dirp);
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: fstest_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
struct statfs buf;
unsigned int i;
int ret;
/* Seed the random number generated */
srand(0x93846);
/* Set up memory monitoring */
g_mmbefore = mallinfo();
g_mmprevious = g_mmbefore;
/* Loop a few times ... file the file system with some random, files,
* delete some files randomly, fill the file system with more random file,
* delete, etc. This beats the FLASH very hard!
*/
#if CONFIG_TESTING_FSTEST_NLOOPS == 0
for (i = 0; ; i++)
#else
for (i = 1; i <= CONFIG_TESTING_FSTEST_NLOOPS; i++)
#endif
{
/* Write a files to the file system until either (1) all of the open
* file structures are utilized or until (2) the file system reports an
* error (hopefully meaning that the file system is full)
*/
printf("\n=== FILLING %u =============================\n", i);
fstest_fillfs();
printf("Filled file system\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
/* Directory listing */
fstest_directory();
#ifdef CONFIG_HAVE_LONG_LONG
printf("Total file size: %llu\n", fstest_filesize());
#else
printf("Total file size: %lu\n", fstest_filesize());
#endif
/* Verify all files written to FLASH */
ret = fstest_verifyfs();
if (ret < 0)
{
printf("ERROR: Failed to verify files\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf("Verified!\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
#endif
}
/* Delete some files */
printf("\n=== DELETING %u ============================\n", i);
ret = fstest_delfiles();
if (ret < 0)
{
printf("ERROR: Failed to delete files\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
}
else
{
printf("Deleted some files\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
}
/* Directory listing */
fstest_directory();
#ifdef CONFIG_HAVE_LONG_LONG
printf("Total file size: %llu\n", fstest_filesize());
#else
printf("Total file size: %lu\n", fstest_filesize());
#endif
/* Verify all files written to FLASH */
ret = fstest_verifyfs();
if (ret < 0)
{
printf("ERROR: Failed to verify files\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
}
else
{
#if CONFIG_TESTING_FSTEST_VERBOSE != 0
printf("Verified!\n");
printf(" Number of files: %d\n", g_nfiles);
printf(" Number deleted: %d\n", g_ndeleted);
#endif
}
/* Show file system usage */
ret = statfs(g_mountdir, &buf);
if (ret < 0)
{
printf("ERROR: statfs failed: %d\n", errno);
}
else
{
printf("File System:\n");
printf(" Block Size: %lu\n", (unsigned long)buf.f_bsize);
printf(" No. Blocks: %lu\n", (unsigned long)buf.f_blocks);
printf(" Free Blocks: %ld\n", (long)buf.f_bfree);
printf(" Avail. Blocks: %ld\n", (long)buf.f_bavail);
printf(" No. File Nodes: %ld\n", (long)buf.f_files);
printf(" Free File Nodes: %ld\n", (long)buf.f_ffree);
}
/* Perform garbage collection, integrity checks */
ret = fstest_gc(buf.f_bfree);
UNUSED(ret);
/* Show memory usage */
fstest_loopmemusage();
fflush(stdout);
}
/* Delete all files then show memory usage again */
fstest_delallfiles();
fstest_endmemusage();
fflush(stdout);
return 0;
}
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