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nuttx-apps/testing/fstest/fstest_main.c
YAMAMOTO Takashi faba0249c1 Include malloc.h instead of stdlib.h for mallinfo() 
Adapt to the change in the main repo.

mallinfo is meant to be API compatible with Linux,
where it's provided by malloc.h.

(I think the API actually originated with System V. I don't
remember how it was there though. Anyway, I guess the
compatibility with Linux is more important than System V
these days.)
2020-06-15 07:21:52 -06:00

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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 <malloc.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 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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