Mailing List Archive

[PATCH 14 of 15 v5] libxl: remove force parameter from libxl__devices_destroy
# HG changeset patch
# User Roger Pau Monne <roger.pau@entel.upc.edu>
# Date 1323939609 -3600
# Node ID 97d3104a544c067400c17e252641694790b6cf16
# Parent 1beeb56e336aef8f95bd3dcead953feb6d383544
libxl: remove force parameter from libxl__devices_destroy

Remove the force flag, and always use forced destruction.

Signed-off-by: Roger Pau Monne <roger.pau@entel.upc.edu>

diff -r 1beeb56e336a -r 97d3104a544c tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Thu Dec 15 10:00:09 2011 +0100
+++ b/tools/libxl/libxl.c Thu Dec 15 10:00:09 2011 +0100
@@ -772,7 +772,7 @@ int libxl_domain_destroy(libxl_ctx *ctx,

libxl__qmp_cleanup(gc, domid);
}
- if (libxl__devices_destroy(gc, domid, 1) < 0)
+ if (libxl__devices_destroy(gc, domid) < 0)
LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
"libxl__devices_destroy failed for %d", domid);

diff -r 1beeb56e336a -r 97d3104a544c tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c Thu Dec 15 10:00:09 2011 +0100
+++ b/tools/libxl/libxl_device.c Thu Dec 15 10:00:09 2011 +0100
@@ -505,13 +505,13 @@ int libxl__device_destroy(libxl__gc *gc,
return rc;
}

-int libxl__devices_destroy(libxl__gc *gc, uint32_t domid, int force)
+int libxl__devices_destroy(libxl__gc *gc, uint32_t domid)
{
libxl_ctx *ctx = libxl__gc_owner(gc);
char *path;
unsigned int num_kinds, num_devs;
char **kinds = NULL, **devs = NULL;
- int i, j, n_watches = 0;
+ int i, j;
libxl__device dev;
libxl__device_kind kind;

@@ -542,16 +542,7 @@ int libxl__devices_destroy(libxl__gc *gc
dev.kind = kind;
dev.devid = atoi(devs[j]);

- if (force) {
- libxl__device_destroy(gc, &dev);
- } else {
- int rc = libxl__device_remove(gc, &dev, 0);
- if (rc < 0)
- LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
- "cannot remove device %s\n", path);
- else
- n_watches += rc;
- }
+ libxl__device_destroy(gc, &dev);
}
}
}
@@ -565,37 +556,9 @@ int libxl__devices_destroy(libxl__gc *gc
dev.kind = LIBXL__DEVICE_KIND_CONSOLE;
dev.devid = 0;

- if (force) {
- libxl__device_destroy(gc, &dev);
- } else {
- int rc = libxl__device_remove(gc, &dev, 0);
- if (rc < 0)
- LIBXL__LOG(ctx, LIBXL__LOG_ERROR,
- "cannot remove device %s\n", path);
- else
- n_watches += rc;
- }
+ libxl__device_destroy(gc, &dev);
}

- if (!force) {
- /* Linux-ism. Most implementations leave the timeout
- * untouched after select. Linux, however, will chip
- * away the elapsed time from it, which is what we
- * need to enforce a single time span waiting for
- * device destruction. */
- struct timeval tv;
- tv.tv_sec = LIBXL_DESTROY_TIMEOUT;
- tv.tv_usec = 0;
- while (n_watches > 0) {
- if (libxl__wait_for_device_state(gc, &tv, XenbusStateClosed,
- destroy_device) < 0) {
- /* function returned ERROR_* */
- break;
- } else {
- n_watches--;
- }
- }
- }
out:
return 0;
}
diff -r 1beeb56e336a -r 97d3104a544c tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h Thu Dec 15 10:00:09 2011 +0100
+++ b/tools/libxl/libxl_internal.h Thu Dec 15 10:00:09 2011 +0100
@@ -271,7 +271,7 @@ _hidden int libxl__parse_backend_path(li
libxl__device *dev);
_hidden int libxl__device_remove(libxl__gc *gc, libxl__device *dev, int wait);
_hidden int libxl__device_destroy(libxl__gc *gc, libxl__device *dev);
-_hidden int libxl__devices_destroy(libxl__gc *gc, uint32_t domid, int force);
+_hidden int libxl__devices_destroy(libxl__gc *gc, uint32_t domid);
_hidden int libxl__wait_for_backend(libxl__gc *gc, char *be_path, char *state);

/* Handler for the libxl__wait_for_device_state callback */

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