Signed-off-by: Dong Xu Wang <wdon...@linux.vnet.ibm.com>
---
block/gluster.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/block/gluster.c b/block/gluster.c
index 645b7f1..eb9d644 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -407,6 +407,43 @@ out:
return ret;
}
+static int qemu_gluster_create_new(const char *filename, QemuOpts *opts)
+{
+ struct glfs *glfs;
+ struct glfs_fd *fd;
+ int ret = 0;
+ int64_t total_size = 0;
+ GlusterConf *gconf = g_malloc0(sizeof(GlusterConf));
+
+ glfs = qemu_gluster_init(gconf, filename);
+ if (!glfs) {
+ ret = -errno;
+ goto out;
+ }
+
+ total_size =
+ qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / BDRV_SECTOR_SIZE;
+
+ fd = glfs_creat(glfs, gconf->image,
+ O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, S_IRUSR | S_IWUSR);
+ if (!fd) {
+ ret = -errno;
+ } else {
+ if (glfs_ftruncate(fd, total_size * BDRV_SECTOR_SIZE) != 0) {
+ ret = -errno;
+ }
+ if (glfs_close(fd) != 0) {
+ ret = -errno;
+ }
+ }
+out:
+ qemu_gluster_gconf_free(gconf);
+ if (glfs) {
+ glfs_fini(glfs);
+ }
+ return ret;
+}
+
static void qemu_gluster_aio_cancel(BlockDriverAIOCB *blockacb)
{
GlusterAIOCB *acb = (GlusterAIOCB *)blockacb;
@@ -635,6 +672,19 @@ static QEMUOptionParameter qemu_gluster_create_options[] =
{
{ NULL }
};
+static QemuOptsList qemu_gluster_create_opts = {
+ .name = "qemu-gluster-create-opts",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_gluster_create_opts.head),
+ .desc = {
+ {
+ .name = BLOCK_OPT_SIZE,
+ .type = QEMU_OPT_SIZE,
+ .help = "Virtual disk size"
+ },
+ { /* end of list */ }
+ }
+};
+
static BlockDriver bdrv_gluster = {
.format_name = "gluster",
.protocol_name = "gluster",
@@ -642,6 +692,7 @@ static BlockDriver bdrv_gluster = {
.bdrv_file_open = qemu_gluster_open,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
+ .bdrv_create_new = qemu_gluster_create_new,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@@ -653,6 +704,7 @@ static BlockDriver bdrv_gluster = {
.bdrv_aio_discard = qemu_gluster_aio_discard,
#endif
.create_options = qemu_gluster_create_options,
+ .bdrv_create_opts = &qemu_gluster_create_opts,
};
static BlockDriver bdrv_gluster_tcp = {
@@ -662,6 +714,7 @@ static BlockDriver bdrv_gluster_tcp = {
.bdrv_file_open = qemu_gluster_open,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
+ .bdrv_create_new = qemu_gluster_create_new,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@@ -673,6 +726,7 @@ static BlockDriver bdrv_gluster_tcp = {
.bdrv_aio_discard = qemu_gluster_aio_discard,
#endif
.create_options = qemu_gluster_create_options,
+ .bdrv_create_opts = &qemu_gluster_create_opts,
};
static BlockDriver bdrv_gluster_unix = {
@@ -682,6 +736,7 @@ static BlockDriver bdrv_gluster_unix = {
.bdrv_file_open = qemu_gluster_open,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
+ .bdrv_create_new = qemu_gluster_create_new,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@@ -693,6 +748,7 @@ static BlockDriver bdrv_gluster_unix = {
.bdrv_aio_discard = qemu_gluster_aio_discard,
#endif
.create_options = qemu_gluster_create_options,
+ .bdrv_create_opts = &qemu_gluster_create_opts,
};
static BlockDriver bdrv_gluster_rdma = {
@@ -702,6 +758,7 @@ static BlockDriver bdrv_gluster_rdma = {
.bdrv_file_open = qemu_gluster_open,
.bdrv_close = qemu_gluster_close,
.bdrv_create = qemu_gluster_create,
+ .bdrv_create_new = qemu_gluster_create_new,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@@ -713,6 +770,7 @@ static BlockDriver bdrv_gluster_rdma = {
.bdrv_aio_discard = qemu_gluster_aio_discard,
#endif
.create_options = qemu_gluster_create_options,
+ .bdrv_create_opts = &qemu_gluster_create_opts,
};
static void bdrv_gluster_init(void)
--
1.7.11.7
