[PATCH v2 02/21] trace-cmd library: Remove unused API tracecmd_update_option

["Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>]

Removed not used trace-cmd library API for updating the options section
of already written trace file:
 tracecmd_update_option()

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
 .../include/private/trace-cmd-private.h       |  3 --
 lib/trace-cmd/trace-output.c                  | 40 -------------------
 2 files changed, 43 deletions(-)

diff --git a/lib/trace-cmd/include/private/trace-cmd-private.h b/lib/trace-cmd/include/private/trace-cmd-private.h
index 8ec33ea2..ecd172ca 100644
--- a/lib/trace-cmd/include/private/trace-cmd-private.h
+++ b/lib/trace-cmd/include/private/trace-cmd-private.h
@@ -290,9 +290,6 @@ int tracecmd_write_cpus(struct tracecmd_output *handle, int cpus);
 int tracecmd_write_cmdlines(struct tracecmd_output *handle);
 int tracecmd_write_options(struct tracecmd_output *handle);
 int tracecmd_append_options(struct tracecmd_output *handle);
-int tracecmd_update_option(struct tracecmd_output *handle,
-			   struct tracecmd_option *option, int size,
-			   const void *data);
 void tracecmd_output_close(struct tracecmd_output *handle);
 void tracecmd_output_free(struct tracecmd_output *handle);
 struct tracecmd_output *tracecmd_copy(struct tracecmd_input *ihandle,
diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c
index 9231c319..c0aa58cf 100644
--- a/lib/trace-cmd/trace-output.c
+++ b/lib/trace-cmd/trace-output.c
@@ -1229,46 +1229,6 @@ int tracecmd_append_options(struct tracecmd_output *handle)
 	return 0;
 }
 
-int tracecmd_update_option(struct tracecmd_output *handle,
-			   struct tracecmd_option *option, int size,
-			   const void *data)
-{
-	tsize_t offset;
-	stsize_t ret;
-
-	if (size > option->size) {
-		tracecmd_warning("Can't update option with more data than allocated");
-		return -1;
-	}
-
-	if (handle->file_state < TRACECMD_FILE_OPTIONS) {
-		/* Hasn't been written yet. Just update current pointer */
-		option->size = size;
-		memcpy(option->data, data, size);
-		return 0;
-	}
-
-	/* Save current offset */
-	offset = lseek64(handle->fd, 0, SEEK_CUR);
-
-	ret = lseek64(handle->fd, option->offset, SEEK_SET);
-	if (ret == (off64_t)-1) {
-		tracecmd_warning("could not seek to %lld\n", option->offset);
-		return -1;
-	}
-
-	if (do_write_check(handle, data, size))
-		return -1;
-
-	ret = lseek64(handle->fd, offset, SEEK_SET);
-	if (ret == (off64_t)-1) {
-		tracecmd_warning("could not seek to %lld\n", offset);
-		return -1;
-	}
-
-	return 0;
-}
-
 struct tracecmd_option *
 tracecmd_add_buffer_option(struct tracecmd_output *handle, const char *name,
 			   int cpus)
-- 
2.31.1