fs: add mkdir interface
"mkdir" interface is added to file operations.
This is a preparatory change as mkdir support for FAT file system
will be added in next patch.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/fs/fs.c b/fs/fs.c
index cb68e81..62165d5 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -105,6 +105,11 @@
return -EACCES;
}
+static inline int fs_mkdir_unsupported(const char *dirname)
+{
+ return -1;
+}
+
struct fstype_info {
int fstype;
char *name;
@@ -142,6 +147,7 @@
int (*readdir)(struct fs_dir_stream *dirs, struct fs_dirent **dentp);
/* see fs_closedir() */
void (*closedir)(struct fs_dir_stream *dirs);
+ int (*mkdir)(const char *dirname);
};
static struct fstype_info fstypes[] = {
@@ -165,6 +171,7 @@
.opendir = fat_opendir,
.readdir = fat_readdir,
.closedir = fat_closedir,
+ .mkdir = fs_mkdir_unsupported,
},
#endif
#ifdef CONFIG_FS_EXT4
@@ -185,6 +192,7 @@
#endif
.uuid = ext4fs_uuid,
.opendir = fs_opendir_unsupported,
+ .mkdir = fs_mkdir_unsupported,
},
#endif
#ifdef CONFIG_SANDBOX
@@ -201,6 +209,7 @@
.write = fs_write_sandbox,
.uuid = fs_uuid_unsupported,
.opendir = fs_opendir_unsupported,
+ .mkdir = fs_mkdir_unsupported,
},
#endif
#ifdef CONFIG_CMD_UBIFS
@@ -217,6 +226,7 @@
.write = fs_write_unsupported,
.uuid = fs_uuid_unsupported,
.opendir = fs_opendir_unsupported,
+ .mkdir = fs_mkdir_unsupported,
},
#endif
#ifdef CONFIG_FS_BTRFS
@@ -233,6 +243,7 @@
.write = fs_write_unsupported,
.uuid = btrfs_uuid,
.opendir = fs_opendir_unsupported,
+ .mkdir = fs_mkdir_unsupported,
},
#endif
{
@@ -248,6 +259,7 @@
.write = fs_write_unsupported,
.uuid = fs_uuid_unsupported,
.opendir = fs_opendir_unsupported,
+ .mkdir = fs_mkdir_unsupported,
},
};
@@ -497,6 +509,20 @@
fs_close();
}
+
+int fs_mkdir(const char *dirname)
+{
+ int ret;
+
+ struct fstype_info *info = fs_get_info(fs_type);
+
+ ret = info->mkdir(dirname);
+
+ fs_type = FS_TYPE_ANY;
+ fs_close();
+
+ return ret;
+}
int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype)
@@ -700,3 +726,22 @@
return CMD_RET_SUCCESS;
}
+int do_mkdir(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+ int fstype)
+{
+ int ret;
+
+ if (argc != 4)
+ return CMD_RET_USAGE;
+
+ if (fs_set_blk_dev(argv[1], argv[2], fstype))
+ return 1;
+
+ ret = fs_mkdir(argv[3]);
+ if (ret) {
+ printf("** Unable to create a directory \"%s\" **\n", argv[3]);
+ return 1;
+ }
+
+ return 0;
+}