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authorOlaf Hering <olaf@aepfle.de>2012-08-30 20:51:27 +0200
committerRichard W.M. Jones <rjones@redhat.com>2012-08-30 20:57:07 +0100
commit0306c98d319d189281af3c15101c8d343e400f13 (patch)
tree7781024c541a56152405582ece9c3c0ee2edc49d /daemon/blockdev.c
parent4aa1464d42c62e8cbff4669f01f53f0425c287e3 (diff)
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daemon: collect list of called external commands
guestfsd calls many different tools. Keeping track of all of them is error prone. This patch introduces a new helper macro to put the command string into its own ELF section: GUESTFSD_EXT_CMD(C_variable, command_name); This syntax makes it still possible to grep for used command names. The actual usage of the collected list could be like this: objcopy -j .guestfsd_ext_cmds -O binary daemon/guestfsd /dev/stdout | tr '\0' '\n' | sort -u The resulting output will be used to tell mkinitrd which programs to copy into the initrd. Signed-off-by: Olaf Hering <olaf@aepfle.de> RWMJ: - Move str_vgchange at request of author. - Fix snprintf call in daemon/debug.c
Diffstat (limited to 'daemon/blockdev.c')
-rw-r--r--daemon/blockdev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/daemon/blockdev.c b/daemon/blockdev.c
index a7fd2cb1..f216bf79 100644
--- a/daemon/blockdev.c
+++ b/daemon/blockdev.c
@@ -28,6 +28,8 @@
#include "daemon.h"
#include "actions.h"
+GUESTFSD_EXT_CMD(str_blockdev, blockdev);
+
/* These functions are all about using the blockdev command, so
* we centralize it in one call.
*/
@@ -38,7 +40,7 @@ call_blockdev (const char *device, const char *switc, int extraarg, int prints)
int64_t rv;
char *out, *err;
const char *argv[] = {
- "blockdev",
+ str_blockdev,
switc,
NULL,
NULL,