f2fs_io: add to show immutable bit

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index fa7d3f5..aa1a7e4 100644 (file)
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -213,7 +213,8 @@ static void do_set_verity(int argc, char **argv, const struct cmd_desc *cmd)
 "  verity\n"                                                   \
 "  casefold\n"                                                 \
 "  compression\n"                                              \
-"  nocompression\n"
+"  nocompression\n"                                            \
+"  immutable\n"
 
 static void do_getflags(int argc, char **argv, const struct cmd_desc *cmd)
 {
@@ -271,6 +272,12 @@ static void do_getflags(int argc, char **argv, const struct cmd_desc *cmd)
                printf("nocow(pinned)");
                exist = 1;
        }
+       if (flag & FS_IMMUTABLE_FL) {
+               if (exist)
+                       printf(",");
+               printf("immutable");
+               exist = 1;
+       }
        if (!exist)
                printf("none");
        printf("\n");
@@ -284,7 +291,8 @@ static void do_getflags(int argc, char **argv, const struct cmd_desc *cmd)
 "flag can be\n"                                                        \
 "  casefold\n"                                                 \
 "  compression\n"                                              \
-"  nocompression\n"
+"  nocompression\n"                                            \
+"  noimmutable\n"
 
 static void do_setflags(int argc, char **argv, const struct cmd_desc *cmd)
 {
@@ -310,6 +318,8 @@ static void do_setflags(int argc, char **argv, const struct cmd_desc *cmd)
                flag |= FS_COMPR_FL;
        else if (!strcmp(argv[1], "nocompression"))
                flag |= FS_NOCOMP_FL;
+       else if (!strcmp(argv[1], "noimmutable"))
+               flag &= ~FS_IMMUTABLE_FL;
 
        ret = ioctl(fd, F2FS_IOC_SETFLAGS, &flag);
        printf("set a flag on %s ret=%d, flags=%s\n", argv[2], ret, argv[1]);