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Re-create files after removing them when starting a --file-test-mode=seqwr benchmark.

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This commit is contained in:
Alexey Kopytov
2016-03-23 11:25:47 +03:00
parent a04e9075fe
commit 93e64fa802
1 changed files with 34 additions and 2 deletions
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36
sysbench/tests/fileio/sb_fileio.c
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@ -309,7 +309,8 @@ static unsigned long sb_getpagesize(void);
static unsigned long sb_get_allocation_granularity(void);
static void *sb_memalign(size_t size);
static void sb_free_memaligned(void *buf);
static FILE_DESCRIPTOR sb_open(const char *name);
static FILE_DESCRIPTOR sb_open(const char *);
static FILE_DESCRIPTOR sb_create(const char *);
int register_test_fileio(sb_list_t *tests)
{
@ -355,8 +356,15 @@ int file_prepare(void)
{
snprintf(file_name, sizeof(file_name), "test_file.%d",i);
/* remove test files for creation test if they exist */
if (test_mode == MODE_WRITE)
if (test_mode == MODE_WRITE)
{
unlink(file_name);
if (sb_create(file_name))
{
log_errno(LOG_FATAL, "Cannot create file '%s'", file_name);
return 1;
}
}
log_text(LOG_DEBUG, "Opening file: %s", file_name);
files[i] = sb_open(file_name);
@ -2073,6 +2081,30 @@ static FILE_DESCRIPTOR sb_open(const char *name)
return file;
}
/*
Create a file with a given path. Signal an error if the file already
exists. Return a non-zero value on error.
*/
static int sb_create(const char *path)
{
FILE_DESCRIPTOR file;
int res;
#ifndef _WIN32
file = open(path, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
res = !VALID_FILE(file);
close(file);
#else
file = CreateFile(name, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_NEW,
flags, NULL);
res = !VALID_FILE(file);
CloseHandle(file);
#endif
return res;
}
/* Fill buffer with random values and write checksum */