fix: 修改/proc/mounts显示格式

显示信息内容及格式修改为与posix标准一致，内容包括：
1、挂载设备名
2、挂载点路径
3、文件系统类型
4、挂载选项（此项暂不支持，打印（））
5、dump频率（此项暂不支持，值为0）
6、fsck检查次序（此项暂不支持，值为0）

close #I3XGCS
Signed-off-by: Nchenjing <chenjing139@huawei.com>
Change-Id: I2a8cb093e7c5316feb55fb196bc1b4301d8d0249

fs/include/fs/mount.h

@@ -53,6 +53,7 @@ struct Mount {
     uint32_t hashseed;                 /* Random seed for vfshash */
     unsigned long mountFlags;          /* Flags for mount */
     char pathName[PATH_MAX];           /* path name of mount point */
+    char devName[PATH_MAX];            /* path name of dev point */
 };
 
 struct MountOps {
@@ -61,7 +62,8 @@ struct MountOps {
     int (*Statfs)(struct Mount *mount, struct statfs *sbp);
 };
 
-typedef int (*foreach_mountpoint_t)(const char *mountpoint,
+typedef int (*foreach_mountpoint_t)(const char *devpoint,
+                                    const char *mountpoint,
                                     struct statfs *statbuf,
                                     void *arg);
 

fs/proc/os_adapt/mounts_proc.c

@@ -38,7 +38,7 @@
 #include "fs/mount.h"
 #include "internal.h"
 
-static int ShowType(const char *mountPoint, struct statfs *statBuf, void *arg)
+static int ShowType(const char *devPoint, const char *mountPoint, struct statfs *statBuf, void *arg)
 {
     struct SeqBuf *seqBuf = (struct SeqBuf *)arg;
     char *type = NULL;
@@ -66,14 +66,17 @@ static int ShowType(const char *mountPoint, struct statfs *statBuf, void *arg)
             return 0;
     }
 
-    (void)LosBufPrintf(seqBuf, "%s\t%s\n", type, mountPoint);
+    if (strlen(devPoint) == 0) {
+        (void)LosBufPrintf(seqBuf, "%s %s %s %s %d %d\n", type, mountPoint, type, "()", 0, 0);
+    } else {
+        (void)LosBufPrintf(seqBuf, "%s %s %s %s %d %d\n", devPoint, mountPoint, type, "()", 0, 0);
+    }
 
     return 0;
 }
 
 static int MountsProcFill(struct SeqBuf *m, void *v)
 {
-    (void)LosBufPrintf(m, "%s\t%s\n", "Type", "MountPoint");
     foreach_mountpoint_t handler = ShowType;
     (void)foreach_mountpoint(handler, (void *)m);