f2fs_io: add set_fsverity

f2fs_io set_verity [file]

Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>

diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index df2ea21..68e27ed 100644 (file)
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -130,6 +130,33 @@ static void full_write(int fd, const void *buf, size_t count)
        }
 }
 
+#define set_verity_desc "Set fs-verity"
+#define set_verity_help                                        \
+"f2fs_io set_verity [file]\n\n"                                \
+"Set fsverity bit given a file\n"                      \
+
+static void do_set_verity(int argc, char **argv, const struct cmd_desc *cmd)
+{
+       int ret, fd;
+
+       if (argc != 2) {
+               fputs("Excess arguments\n\n", stderr);
+               fputs(cmd->cmd_help, stderr);
+               exit(1);
+       }
+
+       fd = open(argv[1], O_RDWR);
+
+       ret = ioctl(fd, FS_IOC_ENABLE_VERITY);
+       if (ret < 0) {
+               perror("FS_IOC_ENABLE_VERITY");
+               exit(1);
+       }
+
+       printf("Set fsverity bit to %s\n", argv[1]);
+       exit(0);
+}
+
 #define getflags_desc "getflags ioctl"
 #define getflags_help                                          \
 "f2fs_io getflags [file]\n\n"                                  \
@@ -678,6 +705,7 @@ static void do_copy(int argc, char **argv, const struct cmd_desc *cmd)
 static void do_help(int argc, char **argv, const struct cmd_desc *cmd);
 const struct cmd_desc cmd_list[] = {
        _CMD(help),
+       CMD(set_verity),
        CMD(getflags),
        CMD(setflags),
        CMD(shutdown),

diff --git a/tools/f2fs_io/f2fs_io.h b/tools/f2fs_io/f2fs_io.h
index 5768c1b..3b2892c 100644 (file)
--- a/tools/f2fs_io/f2fs_io.h
+++ b/tools/f2fs_io/f2fs_io.h
@@ -73,6 +73,8 @@ typedef u32   __be32;
 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
 
+#define FS_IOC_ENABLE_VERITY           _IO('f', 133)
+
 /*
  * Inode flags
  */