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openharmony_kernel_liteos_m
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add littlefs code

This commit is contained in:
li_zan 2021-04-30 16:29:10 +08:00
parent 928827f62e
commit 2d21fca6e8
2 changed files with 17 additions and 16 deletions
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16
components/fs/littlefs/lfs_api.c
View File

@ -38,7 +38,7 @@ FileDirInfo g_lfsDir[LFS_MAX_OPEN_DIRS] = {0};
FileOpInfo g_fsOp; FileOpInfo g_fsOp;
static LittleFsHandleStruct g_handle[LITTLE_FS_MAX_OPEN_FILES] = {0}; static LittleFsHandleStruct g_handle[LITTLE_FS_MAX_OPEN_FILES] = {0};
struct dirent g_nameValue; struct dirent g_nameValue;
struct fsmap_t g_fsmap[MAX_FILE_SYSTEM_LEN] = {0}; struct FsMap g_fsmap[MAX_FILE_SYSTEM_LEN] = {0};
static pthread_mutex_t g_FslocalMutex = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t g_FslocalMutex = PTHREAD_MUTEX_INITIALIZER;
FileOpInfo GetFsOpInfo(void) FileOpInfo GetFsOpInfo(void)
@ -83,7 +83,7 @@ int InitMountInfo(const char *fileSystemType, const struct MountOps *fsMops)
if (g_fsmap[i].fileSystemtype == NULL) { if (g_fsmap[i].fileSystemtype == NULL) {
g_fsmap[i].fileSystemtype = (char*)malloc(len); g_fsmap[i].fileSystemtype = (char*)malloc(len);
memcpy_s(g_fsmap[i].fileSystemtype, len, fileSystemType, len); memcpy_s(g_fsmap[i].fileSystemtype, len, fileSystemType, len);
g_fsmap[i].fs_mops = fsMops; g_fsmap[i].fsMops = fsMops;
return VFS_OK; return VFS_OK;
} }
} }
@ -91,9 +91,9 @@ int InitMountInfo(const char *fileSystemType, const struct MountOps *fsMops)
return VFS_ERROR; return VFS_ERROR;
} }
const struct fsmap_t *MountFindfs(const char *fileSystemtype) const struct FsMap *MountFindfs(const char *fileSystemtype)
{ {
struct fsmap_t *m = NULL; struct FsMap *m = NULL;
for (int i = 0; i < MAX_FILE_SYSTEM_LEN; i++) { for (int i = 0; i < MAX_FILE_SYSTEM_LEN; i++) {
m = &(g_fsmap[i]); m = &(g_fsmap[i]);
@ -102,7 +102,7 @@ const struct fsmap_t *MountFindfs(const char *fileSystemtype)
} }
} }
return (const struct fsmap_t *)NULL; return (const struct FsMap *)NULL;
} }
const struct MountOps g_fsMnt = { const struct MountOps g_fsMnt = {
@ -110,7 +110,7 @@ const struct MountOps g_fsMnt = {
.Umount = LfsUmount, .Umount = LfsUmount,
}; };
const struct FileOps lfs_vops = { const struct FileOps g_lfsVops = {
.Mkdir = LfsMkdir, .Mkdir = LfsMkdir,
.Unlink = LfsUnlink, .Unlink = LfsUnlink,
.Rmdir = LfsRmdir, .Rmdir = LfsRmdir,
@ -132,7 +132,7 @@ int LfsMount(const char *source, const char *target, const char *fileSystemType,
{ {
int ret; int ret;
g_fsOp.fsVops = &lfs_vops; g_fsOp.fsVops = &g_lfsVops;
ret = lfs_mount(&g_lfs, (struct lfs_config*)data); ret = lfs_mount(&g_lfs, (struct lfs_config*)data);
return ret; return ret;
@ -200,7 +200,7 @@ struct dirent *LfsReaddir(DIR *dir)
return NULL; return NULL;
} }
int LfsClosedir(DIR *dir) int LfsClosedir(const DIR *dir)
{ {
return lfs_dir_close(&g_lfs, (lfs_dir_t *)dir); return lfs_dir_close(&g_lfs, (lfs_dir_t *)dir);
} }

17
components/fs/littlefs/lfs_api.h
View File

@ -29,11 +29,12 @@
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include "lfs.h"
#include "lfs_util.h"
#include "dirent.h"
#include "bits/alltypes.h" #include "bits/alltypes.h"
#include "sys/stat.h" #include "sys/stat.h"
#include "dirent.h"
#include "lfs.h"
#include "lfs_util.h"
#include "memory.h" #include "memory.h"
#include "pthread.h" #include "pthread.h"
@ -60,9 +61,9 @@ struct MountOps {
int (*Umount)(const char* target); int (*Umount)(const char* target);
}; };
struct fsmap_t { struct FsMap {
const char *fileSystemtype; const char *fileSystemtype;
const struct MountOps *fs_mops; const struct MountOps *fsMops;
}; };
struct FileOps { struct FileOps {
@ -73,7 +74,7 @@ struct FileOps {
int (*Mkdir)(const char *dirName, mode_t mode); int (*Mkdir)(const char *dirName, mode_t mode);
struct dirent *(*Readdir)(DIR *dir); struct dirent *(*Readdir)(DIR *dir);
DIR *(*Opendir)(const char *dirName); DIR *(*Opendir)(const char *dirName);
int (*Closedir)(DIR *dir); int (*Closedir)(const DIR *dir);
int (*Read)(int fd, void *buf, size_t len); int (*Read)(int fd, void *buf, size_t len);
int (*Write)(int fd, const void *buf, size_t len); int (*Write)(int fd, const void *buf, size_t len);
int (*Seek)(int fd, off_t offset, int whence); int (*Seek)(int fd, off_t offset, int whence);
@ -116,7 +117,7 @@ int LfsMkdir(const char *dirName, mode_t mode);
int LfsRmdir(const char *dirName); int LfsRmdir(const char *dirName);
DIR *LfsOpendir(const char *dirName); DIR *LfsOpendir(const char *dirName);
struct dirent *LfsReaddir(DIR *dir); struct dirent *LfsReaddir(DIR *dir);
int LfsClosedir(DIR *dir); int LfsClosedir(const DIR *dir);
int LfsOpen(const char *path, int openFlag, int mode); int LfsOpen(const char *path, int openFlag, int mode);
int LfsRead(int fd, void *buf, unsigned int len); int LfsRead(int fd, void *buf, unsigned int len);
int LfsWrite(int fd, const void *buf, unsigned int len); int LfsWrite(int fd, const void *buf, unsigned int len);
@ -127,6 +128,6 @@ int LfsStat(const char *path, struct stat *buf);
int LfsFsync(int fd); int LfsFsync(int fd);
FileOpInfo GetFsOpInfo(void); FileOpInfo GetFsOpInfo(void);
const struct fsmap_t *MountFindfs(const char *filesystemtype); const struct FsMap *MountFindfs(const char *filesystemtype);