*/
#include "qemu/osdep.h"
+#include "qemu/units.h"
#include <glusterfs/api/glfs.h>
#include "block/block_int.h"
#include "block/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qemu/uri.h"
#include "qemu/error-report.h"
+#include "qemu/module.h"
#include "qemu/option.h"
#include "qemu/cutils.h"
#define GLUSTER_DEBUG_MAX 9
#define GLUSTER_OPT_LOGFILE "logfile"
#define GLUSTER_LOGFILE_DEFAULT "-" /* handled in libgfapi as /dev/stderr */
+/*
+ * Several versions of GlusterFS (3.12? -> 6.0.1) fail when the transfer size
+ * is greater or equal to 1024 MiB, so we are limiting the transfer size to 512
+ * MiB to avoid this rare issue.
+ */
+#define GLUSTER_MAX_TRANSFER (512 * MiB)
#define GERR_INDEX_HINT "hint: check in 'server' array index '%d'\n"
{
.name = BLOCK_OPT_PREALLOC,
.type = QEMU_OPT_STRING,
- .help = "Preallocation mode (allowed values: off, full)"
+ .help = "Preallocation mode (allowed values: off"
+#ifdef CONFIG_GLUSTERFS_FALLOCATE
+ ", falloc"
+#endif
+#ifdef CONFIG_GLUSTERFS_ZEROFILL
+ ", full"
+#endif
+ ")"
},
{
.name = GLUSTER_OPT_DEBUG,
return -EINVAL;
}
- gconf->server = g_new0(SocketAddressList, 1);
- gconf->server->value = gsconf = g_new0(SocketAddress, 1);
+ gsconf = g_new0(SocketAddress, 1);
+ QAPI_LIST_PREPEND(gconf->server, gsconf);
/* transport */
if (!uri->scheme || !strcmp(uri->scheme, "gluster")) {
{
QemuOpts *opts;
SocketAddress *gsconf = NULL;
- SocketAddressList *curr = NULL;
+ SocketAddressList **tail;
QDict *backing_options = NULL;
Error *local_err = NULL;
char *str = NULL;
/* create opts info from runtime_json_opts list */
opts = qemu_opts_create(&runtime_json_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, options, &local_err);
- if (local_err) {
+ if (!qemu_opts_absorb_qdict(opts, options, errp)) {
goto out;
}
}
gconf->path = g_strdup(ptr);
qemu_opts_del(opts);
+ tail = &gconf->server;
for (i = 0; i < num_servers; i++) {
str = g_strdup_printf(GLUSTER_OPT_SERVER_PATTERN"%d.", i);
/* create opts info from runtime_type_opts list */
opts = qemu_opts_create(&runtime_type_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, backing_options, &local_err);
- if (local_err) {
+ if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) {
goto out;
}
if (gsconf->type == SOCKET_ADDRESS_TYPE_INET) {
/* create opts info from runtime_inet_opts list */
opts = qemu_opts_create(&runtime_inet_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, backing_options, &local_err);
- if (local_err) {
+ if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) {
goto out;
}
} else {
/* create opts info from runtime_unix_opts list */
opts = qemu_opts_create(&runtime_unix_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, backing_options, &local_err);
- if (local_err) {
+ if (!qemu_opts_absorb_qdict(opts, backing_options, errp)) {
goto out;
}
qemu_opts_del(opts);
}
- if (gconf->server == NULL) {
- gconf->server = g_new0(SocketAddressList, 1);
- gconf->server->value = gsconf;
- curr = gconf->server;
- } else {
- curr->next = g_new0(SocketAddressList, 1);
- curr->next->value = gsconf;
- curr = curr->next;
- }
+ QAPI_LIST_APPEND(tail, gsconf);
gsconf = NULL;
qobject_unref(backing_options);
int ret = 0;
BlockdevOptionsGluster *gconf = NULL;
QemuOpts *opts;
- Error *local_err = NULL;
const char *filename, *logfile;
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
- qemu_opts_absorb_qdict(opts, options, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ if (!qemu_opts_absorb_qdict(opts, options, errp)) {
ret = -EINVAL;
goto out;
}
return ret;
}
+static void qemu_gluster_refresh_limits(BlockDriverState *bs, Error **errp)
+{
+ bs->bl.max_transfer = GLUSTER_MAX_TRANSFER;
+}
+
static int qemu_gluster_reopen_prepare(BDRVReopenState *state,
BlockReopenQueue *queue, Error **errp)
{
gconf->has_debug = true;
gconf->logfile = g_strdup(s->logfile);
gconf->has_logfile = true;
- reop_s->glfs = qemu_gluster_init(gconf, state->bs->filename, NULL, errp);
+
+ /*
+ * If 'state->bs->exact_filename' is empty, 'state->options' should contain
+ * the JSON parameters already parsed.
+ */
+ if (state->bs->exact_filename[0] != '\0') {
+ reop_s->glfs = qemu_gluster_init(gconf, state->bs->exact_filename, NULL,
+ errp);
+ } else {
+ reop_s->glfs = qemu_gluster_init(gconf, NULL, state->options, errp);
+ }
if (reop_s->glfs == NULL) {
ret = -errno;
goto exit;
return ret;
}
-static int coroutine_fn qemu_gluster_co_create_opts(const char *filename,
+static int coroutine_fn qemu_gluster_co_create_opts(BlockDriver *drv,
+ const char *filename,
QemuOpts *opts,
Error **errp)
{
static coroutine_fn int qemu_gluster_co_truncate(BlockDriverState *bs,
int64_t offset,
+ bool exact,
PreallocMode prealloc,
+ BdrvRequestFlags flags,
Error **errp)
{
BDRVGlusterState *s = bs->opaque;
}
}
-static int qemu_gluster_has_zero_init(BlockDriverState *bs)
-{
- /* GlusterFS volume could be backed by a block device */
- return 0;
-}
-
/*
* Find allocation range in @bs around offset @start.
* May change underlying file descriptor's file offset.
.bdrv_co_readv = qemu_gluster_co_readv,
.bdrv_co_writev = qemu_gluster_co_writev,
.bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk,
- .bdrv_has_zero_init = qemu_gluster_has_zero_init,
#ifdef CONFIG_GLUSTERFS_DISCARD
.bdrv_co_pdiscard = qemu_gluster_co_pdiscard,
#endif
.bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes,
#endif
.bdrv_co_block_status = qemu_gluster_co_block_status,
+ .bdrv_refresh_limits = qemu_gluster_refresh_limits,
.create_opts = &qemu_gluster_create_opts,
.strong_runtime_opts = gluster_strong_open_opts,
};
.bdrv_co_readv = qemu_gluster_co_readv,
.bdrv_co_writev = qemu_gluster_co_writev,
.bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk,
- .bdrv_has_zero_init = qemu_gluster_has_zero_init,
#ifdef CONFIG_GLUSTERFS_DISCARD
.bdrv_co_pdiscard = qemu_gluster_co_pdiscard,
#endif
.bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes,
#endif
.bdrv_co_block_status = qemu_gluster_co_block_status,
+ .bdrv_refresh_limits = qemu_gluster_refresh_limits,
.create_opts = &qemu_gluster_create_opts,
.strong_runtime_opts = gluster_strong_open_opts,
};
.bdrv_co_readv = qemu_gluster_co_readv,
.bdrv_co_writev = qemu_gluster_co_writev,
.bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk,
- .bdrv_has_zero_init = qemu_gluster_has_zero_init,
#ifdef CONFIG_GLUSTERFS_DISCARD
.bdrv_co_pdiscard = qemu_gluster_co_pdiscard,
#endif
.bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes,
#endif
.bdrv_co_block_status = qemu_gluster_co_block_status,
+ .bdrv_refresh_limits = qemu_gluster_refresh_limits,
.create_opts = &qemu_gluster_create_opts,
.strong_runtime_opts = gluster_strong_open_opts,
};
.bdrv_co_readv = qemu_gluster_co_readv,
.bdrv_co_writev = qemu_gluster_co_writev,
.bdrv_co_flush_to_disk = qemu_gluster_co_flush_to_disk,
- .bdrv_has_zero_init = qemu_gluster_has_zero_init,
#ifdef CONFIG_GLUSTERFS_DISCARD
.bdrv_co_pdiscard = qemu_gluster_co_pdiscard,
#endif
.bdrv_co_pwrite_zeroes = qemu_gluster_co_pwrite_zeroes,
#endif
.bdrv_co_block_status = qemu_gluster_co_block_status,
+ .bdrv_refresh_limits = qemu_gluster_refresh_limits,
.create_opts = &qemu_gluster_create_opts,
.strong_runtime_opts = gluster_strong_open_opts,
};
projects / mirror_qemu.git / blobdiff