btrfs-progs: tests: update README, images, coding style

[platform/upstream/btrfs-progs.git] / disk-io.c

diff --git a/disk-io.c b/disk-io.c
index 0b83be7..76958ae 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -1212,7 +1212,7 @@ struct btrfs_fs_info *open_ctree_fs_info(const char *filename,
 
        ret = stat(filename, &st);
        if (ret < 0) {
-               error("cannot stat '%s': %s", filename, strerror(errno));
+               error("cannot stat '%s': %m", filename);
                return NULL;
        }
        if (!(((st.st_mode & S_IFMT) == S_IFREG) || ((st.st_mode & S_IFMT) == S_IFBLK))) {
@@ -1225,7 +1225,7 @@ struct btrfs_fs_info *open_ctree_fs_info(const char *filename,
 
        fp = open(filename, oflags);
        if (fp < 0) {
-               error("cannot open '%s': %s", filename, strerror(errno));
+               error("cannot open '%s': %m", filename);
                return NULL;
        }
        info = __open_ctree_fd(fp, filename, sb_bytenr, root_tree_bytenr,
@@ -1566,8 +1566,7 @@ write_err:
        if (ret > 0)
                fprintf(stderr, "WARNING: failed to write all sb data\n");
        else
-               fprintf(stderr, "WARNING: failed to write sb: %s\n",
-                       strerror(errno));
+               fprintf(stderr, "WARNING: failed to write sb: %m\n");
        return ret;
 }