[f2fs-dev] [PATCH] f2fs_io: print errno for flag operations

[Jianan Huang via Linux-f2fs-devel]

Signed-off-by: Jianan Huang <huangjia...@xiaomi.com>
---
 tools/f2fs_io/f2fs_io.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index 292dcb3..6531b55 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -258,6 +258,8 @@ static void do_getflags(int argc, char **argv, const struct 
cmd_desc *cmd)
 
        ret = ioctl(fd, F2FS_IOC_GETFLAGS, &flag);
        printf("get a flag on %s ret=%d, flags=", argv[1], ret);
+       if (ret)
+               die_errno("F2FS_IOC_GETFLAGS failed");
        if (flag & FS_CASEFOLD_FL) {
                printf("casefold");
                exist = 1;
@@ -352,6 +354,8 @@ static void do_setflags(int argc, char **argv, const struct 
cmd_desc *cmd)
 
        ret = ioctl(fd, F2FS_IOC_SETFLAGS, &flag);
        printf("set a flag on %s ret=%d, flags=%s\n", argv[2], ret, argv[1]);
+       if (ret)
+               die_errno("F2FS_IOC_SETFLAGS failed");
        exit(0);
 }
 
@@ -394,6 +398,8 @@ static void do_clearflags(int argc, char **argv, const 
struct cmd_desc *cmd)
 
        ret = ioctl(fd, F2FS_IOC_SETFLAGS, &flag);
        printf("clear a flag on %s ret=%d, flags=%s\n", argv[2], ret, argv[1]);
+       if (ret)
+               die_errno("F2FS_IOC_SETFLAGS failed");
        exit(0);
 }
 
-- 
2.43.0



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