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fix: lfs_mount 不能多实例 

【背景】最后一个调用lfs_mount()的分区是有效的，前面的会被冲掉

【修改方案】
1, 增加一个存放cfg的空间, 每个mount点有独自的配置存储空间

【影响】
对现有的产品编译不会有影响。
re #I5RIGH
Signed-off-by: wangchen <wangchen240@huawei.com>
This commit is contained in:
wangchen 2022-09-22 03:06:35 +00:00
parent 3398937b1b
commit cf50cde1b7
1 changed files with 11 additions and 9 deletions
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20
components/fs/littlefs/lfs_adapter.c
View File

@ -43,7 +43,6 @@
static pthread_mutex_t g_fsLocalMutex = PTHREAD_MUTEX_INITIALIZER;
static struct PartitionCfg g_partitionCfg;
static struct lfs_config g_lfsCfg;
static struct DeviceDesc *g_lfsDevice = NULL;
static uint32_t LfsGetStartAddr(int partition)
@ -177,6 +176,7 @@ int LfsMount(struct MountPoint *mp, unsigned long mountflags, const void *data)
{
int ret;
lfs_t *mountHdl = NULL;
struct lfs_config *cfg = NULL;
if ((mp == NULL) || (mp->mPath == NULL) || (data == NULL)) {
errno = EFAULT;
@ -184,22 +184,23 @@ int LfsMount(struct MountPoint *mp, unsigned long mountflags, const void *data)
goto errout;
}
mountHdl = (lfs_t *)malloc(sizeof(lfs_t));
mountHdl = (lfs_t *)malloc(sizeof(lfs_t) + sizeof(struct lfs_config));
if (mountHdl == NULL) {
errno = ENODEV;
ret = (int)LOS_NOK;
goto errout;
}
(void)memset_s(mountHdl, sizeof(lfs_t), 0, sizeof(lfs_t));
(void)memset_s(mountHdl, sizeof(lfs_t) + sizeof(struct lfs_config), 0, sizeof(lfs_t) + sizeof(struct lfs_config));
mp->mData = (void *)mountHdl;
cfg = (void *)((UINTPTR)mountHdl + sizeof(lfs_t));
LfsConfigAdapter((struct PartitionCfg *)data, &g_lfsCfg);
LfsConfigAdapter((struct PartitionCfg *)data, cfg);
ret = lfs_mount((lfs_t *)mp->mData, &g_lfsCfg);
ret = lfs_mount((lfs_t *)mp->mData, cfg);
if (ret != 0) {
ret = lfs_format((lfs_t *)mp->mData, &g_lfsCfg);
ret = lfs_format((lfs_t *)mp->mData, cfg);
if (ret == 0) {
ret = lfs_mount((lfs_t *)mp->mData, &g_lfsCfg);
ret = lfs_mount((lfs_t *)mp->mData, cfg);
}
}
if (ret != 0) {
@ -655,12 +656,13 @@ int LfsFormat(const char *partName, void *privData)
{
int ret;
lfs_t lfs = {0};
struct lfs_config cfg = {0};
(void)partName;
LfsConfigAdapter((struct PartitionCfg *)privData, &g_lfsCfg);
LfsConfigAdapter((struct PartitionCfg *)privData, &cfg);
ret = lfs_format(&lfs, &g_lfsCfg);
ret = lfs_format(&lfs, &cfg);
if (ret != 0) {
errno = LittlefsErrno(ret);
ret = (int)LOS_NOK;