#include "qapi-visit.h"
#include "qapi/qmp-output-visitor.h"
#include "qapi/qmp/types.h"
+#ifdef __linux__
+#include <linux/fs.h>
+#include <sys/ioctl.h>
+#ifndef FS_NOCOW_FL
+#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
+#endif
+#endif
+
+BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs)
+{
+ BlockDeviceInfo *info = g_malloc0(sizeof(*info));
+
+ info->file = g_strdup(bs->filename);
+ info->ro = bs->read_only;
+ info->drv = g_strdup(bs->drv->format_name);
+ info->encrypted = bs->encrypted;
+ info->encryption_key_missing = bdrv_key_required(bs);
+
+ if (bs->node_name[0]) {
+ info->has_node_name = true;
+ info->node_name = g_strdup(bs->node_name);
+ }
+
+ if (bs->backing_file[0]) {
+ info->has_backing_file = true;
+ info->backing_file = g_strdup(bs->backing_file);
+ }
+
+ info->backing_file_depth = bdrv_get_backing_file_depth(bs);
+ info->detect_zeroes = bs->detect_zeroes;
+
+ if (bs->io_limits_enabled) {
+ ThrottleConfig cfg;
+ throttle_get_config(&bs->throttle_state, &cfg);
+ info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg;
+ info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg;
+ info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg;
+
+ info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg;
+ info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg;
+ info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg;
+
+ info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
+ info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
+ info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
+ info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
+ info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
+ info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
+
+ info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
+ info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
+ info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
+ info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
+ info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
+ info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
+
+ info->has_iops_size = cfg.op_size;
+ info->iops_size = cfg.op_size;
+ }
+
+ return info;
+}
/*
* Returns 0 on success, with *p_list either set to describe snapshot
ImageInfo **p_info,
Error **errp)
{
- uint64_t total_sectors;
+ int64_t size;
const char *backing_filename;
char backing_filename2[1024];
BlockDriverInfo bdi;
int ret;
Error *err = NULL;
- ImageInfo *info = g_new0(ImageInfo, 1);
-
- bdrv_get_geometry(bs, &total_sectors);
+ ImageInfo *info;
+#ifdef __linux__
+ int fd, attr;
+#endif
+
+ size = bdrv_getlength(bs);
+ if (size < 0) {
+ error_setg_errno(errp, -size, "Can't get size of device '%s'",
+ bdrv_get_device_name(bs));
+ return;
+ }
+ info = g_new0(ImageInfo, 1);
info->filename = g_strdup(bs->filename);
info->format = g_strdup(bdrv_get_format_name(bs));
- info->virtual_size = total_sectors * 512;
+ info->virtual_size = size;
info->actual_size = bdrv_get_allocated_file_size(bs);
info->has_actual_size = info->actual_size >= 0;
if (bdrv_is_encrypted(bs)) {
info->format_specific = bdrv_get_specific_info(bs);
info->has_format_specific = info->format_specific != NULL;
+#ifdef __linux__
+ /* get NOCOW info */
+ fd = qemu_open(bs->filename, O_RDONLY | O_NONBLOCK);
+ if (fd >= 0) {
+ if (ioctl(fd, FS_IOC_GETFLAGS, &attr) == 0 && (attr & FS_NOCOW_FL)) {
+ info->has_nocow = true;
+ info->nocow = true;
+ }
+ qemu_close(fd);
+ }
+#endif
+
backing_filename = bs->backing_file;
if (backing_filename[0] != '\0') {
info->backing_filename = g_strdup(backing_filename);
info->io_status = bs->iostatus;
}
- if (bs->dirty_bitmap) {
- info->has_dirty = true;
- info->dirty = g_malloc0(sizeof(*info->dirty));
- info->dirty->count = bdrv_get_dirty_count(bs) * BDRV_SECTOR_SIZE;
- info->dirty->granularity =
- ((int64_t) BDRV_SECTOR_SIZE << hbitmap_granularity(bs->dirty_bitmap));
+ if (!QLIST_EMPTY(&bs->dirty_bitmaps)) {
+ info->has_dirty_bitmaps = true;
+ info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs);
}
if (bs->drv) {
info->has_inserted = true;
- info->inserted = g_malloc0(sizeof(*info->inserted));
- info->inserted->file = g_strdup(bs->filename);
- info->inserted->ro = bs->read_only;
- info->inserted->drv = g_strdup(bs->drv->format_name);
- info->inserted->encrypted = bs->encrypted;
- info->inserted->encryption_key_missing = bdrv_key_required(bs);
-
- if (bs->backing_file[0]) {
- info->inserted->has_backing_file = true;
- info->inserted->backing_file = g_strdup(bs->backing_file);
- }
-
- info->inserted->backing_file_depth = bdrv_get_backing_file_depth(bs);
-
- if (bs->io_limits_enabled) {
- ThrottleConfig cfg;
- throttle_get_config(&bs->throttle_state, &cfg);
- info->inserted->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg;
- info->inserted->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg;
- info->inserted->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg;
-
- info->inserted->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg;
- info->inserted->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg;
- info->inserted->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg;
-
- info->inserted->has_bps_max =
- cfg.buckets[THROTTLE_BPS_TOTAL].max;
- info->inserted->bps_max =
- cfg.buckets[THROTTLE_BPS_TOTAL].max;
- info->inserted->has_bps_rd_max =
- cfg.buckets[THROTTLE_BPS_READ].max;
- info->inserted->bps_rd_max =
- cfg.buckets[THROTTLE_BPS_READ].max;
- info->inserted->has_bps_wr_max =
- cfg.buckets[THROTTLE_BPS_WRITE].max;
- info->inserted->bps_wr_max =
- cfg.buckets[THROTTLE_BPS_WRITE].max;
-
- info->inserted->has_iops_max =
- cfg.buckets[THROTTLE_OPS_TOTAL].max;
- info->inserted->iops_max =
- cfg.buckets[THROTTLE_OPS_TOTAL].max;
- info->inserted->has_iops_rd_max =
- cfg.buckets[THROTTLE_OPS_READ].max;
- info->inserted->iops_rd_max =
- cfg.buckets[THROTTLE_OPS_READ].max;
- info->inserted->has_iops_wr_max =
- cfg.buckets[THROTTLE_OPS_WRITE].max;
- info->inserted->iops_wr_max =
- cfg.buckets[THROTTLE_OPS_WRITE].max;
-
- info->inserted->has_iops_size = cfg.op_size;
- info->inserted->iops_size = cfg.op_size;
- }
+ info->inserted = bdrv_block_device_info(bs);
bs0 = bs;
p_image_info = &info->inserted->image;
while (1) {
bdrv_query_image_info(bs0, p_image_info, &local_err);
- if (error_is_set(&local_err)) {
+ if (local_err) {
error_propagate(errp, local_err);
goto err;
}
qapi_free_BlockInfo(info);
}
-BlockStats *bdrv_query_stats(const BlockDriverState *bs)
+static BlockStats *bdrv_query_stats(const BlockDriverState *bs)
{
BlockStats *s;
}
s->stats = g_malloc0(sizeof(*s->stats));
- s->stats->rd_bytes = bs->nr_bytes[BDRV_ACCT_READ];
- s->stats->wr_bytes = bs->nr_bytes[BDRV_ACCT_WRITE];
- s->stats->rd_operations = bs->nr_ops[BDRV_ACCT_READ];
- s->stats->wr_operations = bs->nr_ops[BDRV_ACCT_WRITE];
- s->stats->wr_highest_offset = bs->wr_highest_sector * BDRV_SECTOR_SIZE;
- s->stats->flush_operations = bs->nr_ops[BDRV_ACCT_FLUSH];
- s->stats->wr_total_time_ns = bs->total_time_ns[BDRV_ACCT_WRITE];
- s->stats->rd_total_time_ns = bs->total_time_ns[BDRV_ACCT_READ];
- s->stats->flush_total_time_ns = bs->total_time_ns[BDRV_ACCT_FLUSH];
+ s->stats->rd_bytes = bs->stats.nr_bytes[BLOCK_ACCT_READ];
+ s->stats->wr_bytes = bs->stats.nr_bytes[BLOCK_ACCT_WRITE];
+ s->stats->rd_operations = bs->stats.nr_ops[BLOCK_ACCT_READ];
+ s->stats->wr_operations = bs->stats.nr_ops[BLOCK_ACCT_WRITE];
+ s->stats->wr_highest_offset =
+ bs->stats.wr_highest_sector * BDRV_SECTOR_SIZE;
+ s->stats->flush_operations = bs->stats.nr_ops[BLOCK_ACCT_FLUSH];
+ s->stats->wr_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_WRITE];
+ s->stats->rd_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_READ];
+ s->stats->flush_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_FLUSH];
if (bs->file) {
s->has_parent = true;
s->parent = bdrv_query_stats(bs->file);
}
+ if (bs->backing_hd) {
+ s->has_backing = true;
+ s->backing = bdrv_query_stats(bs->backing_hd);
+ }
+
return s;
}
while ((bs = bdrv_next(bs))) {
BlockInfoList *info = g_malloc0(sizeof(*info));
bdrv_query_info(bs, &info->value, &local_err);
- if (error_is_set(&local_err)) {
+ if (local_err) {
error_propagate(errp, local_err);
goto err;
}
while ((bs = bdrv_next(bs))) {
BlockStatsList *info = g_malloc0(sizeof(*info));
+ AioContext *ctx = bdrv_get_aio_context(bs);
+
+ aio_context_acquire(ctx);
info->value = bdrv_query_stats(bs);
+ aio_context_release(ctx);
*p_next = info;
p_next = &info->next;
case QTYPE_QERROR: {
QString *value = qerror_human((QError *)obj);
func_fprintf(f, "%s", qstring_get_str(value));
+ QDECREF(value);
break;
}
case QTYPE_NONE:
void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f,
ImageInfoSpecific *info_spec)
{
- Error *local_err = NULL;
QmpOutputVisitor *ov = qmp_output_visitor_new();
QObject *obj, *data;
visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), &info_spec, NULL,
- &local_err);
+ &error_abort);
obj = qmp_output_get_qobject(ov);
assert(qobject_type(obj) == QTYPE_QDICT);
data = qdict_get(qobject_to_qdict(obj), "data");
func_fprintf(f, "Format specific information:\n");
bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific);
}
+
+ if (info->has_nocow && info->nocow) {
+ func_fprintf(f, "NOCOW flag: set\n");
+ }
}
projects / qemu.git / blobdiff