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Merge branch 'feat/spiffs_fsync' into 'master'

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feat(spiffs): add fsync() support to SPIFFS VFS driver

See merge request espressif/esp-idf!32420
This commit is contained in:
Martin Vychodil 2024-07-30 14:53:18 +08:00
commit 9542d452bf
2 changed files with 52 additions and 0 deletions
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14
components/spiffs/esp_spiffs.c
View File

@ -58,6 +58,7 @@ static ssize_t vfs_spiffs_read(void* ctx, int fd, void * dst, size_t size);
static int vfs_spiffs_close(void* ctx, int fd);
static off_t vfs_spiffs_lseek(void* ctx, int fd, off_t offset, int mode);
static int vfs_spiffs_fstat(void* ctx, int fd, struct stat * st);
static int vfs_spiffs_fsync(void* ctx, int fd);
#ifdef CONFIG_VFS_SUPPORT_DIR
static int vfs_spiffs_stat(void* ctx, const char * path, struct stat * st);
static int vfs_spiffs_unlink(void* ctx, const char *path);
@ -426,6 +427,7 @@ esp_err_t esp_vfs_spiffs_register(const esp_vfs_spiffs_conf_t * conf)
.open_p = &vfs_spiffs_open,
.close_p = &vfs_spiffs_close,
.fstat_p = &vfs_spiffs_fstat,
.fsync_p = &vfs_spiffs_fsync,
#ifdef CONFIG_VFS_SUPPORT_DIR
.stat_p = &vfs_spiffs_stat,
.link_p = &vfs_spiffs_link,
@ -617,6 +619,18 @@ static int vfs_spiffs_fstat(void* ctx, int fd, struct stat * st)
return res;
}
static int vfs_spiffs_fsync(void* ctx, int fd)
{
esp_spiffs_t * efs = (esp_spiffs_t *)ctx;
int res = SPIFFS_fflush(efs->fs, fd);
if (res < 0) {
errno = spiffs_res_to_errno(SPIFFS_errno(efs->fs));
SPIFFS_clearerr(efs->fs);
return -1;
}
return ESP_OK;
}
#ifdef CONFIG_VFS_SUPPORT_DIR
static int vfs_spiffs_stat(void* ctx, const char * path, struct stat * st)

38
components/spiffs/test_apps/main/test_spiffs.c
View File

@ -285,6 +285,37 @@ static void test_spiffs_ftruncate(const char *filename)
TEST_ASSERT_EQUAL(0, close(fd));
}
static void test_spiffs_fsync(const char *filename)
{
const char input[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
size_t expected_size = strlen(input);
int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC);
TEST_ASSERT_NOT_EQUAL(-1, fd);
ssize_t wr = write(fd, input, expected_size);
TEST_ASSERT_NOT_EQUAL(-1, wr);
TEST_ASSERT_EQUAL(0, fsync(fd));
struct stat st;
TEST_ASSERT_EQUAL(0, stat(filename, &st));
TEST_ASSERT_EQUAL(wr, st.st_size);
ssize_t wr2 = write(fd, input, expected_size);
TEST_ASSERT_NOT_EQUAL(-1, wr2);
TEST_ASSERT_EQUAL(0, fsync(fd));
TEST_ASSERT_EQUAL(0, stat(filename, &st));
TEST_ASSERT_EQUAL(wr + wr2, st.st_size);
TEST_ASSERT_EQUAL(0, ftruncate(fd, wr));
TEST_ASSERT_EQUAL(0, fsync(fd));
TEST_ASSERT_EQUAL(0, stat(filename, &st));
TEST_ASSERT_EQUAL(wr, st.st_size);
TEST_ASSERT_EQUAL(0, close(fd));
}
static void test_spiffs_can_opendir(const char* path)
{
char name_dir_file[64];
@ -710,6 +741,13 @@ TEST_CASE("ftruncate a file", "[spiffs]")
test_teardown();
}
TEST_CASE("fsync works correctly", "[spiffs]")
{
test_setup();
test_spiffs_fsync("/spiffs/fsync.txt");
test_teardown();
}
TEST_CASE("can opendir root directory of FS", "[spiffs]")
{
test_setup();