@@ -24,7 +24,9 @@
#include "qemu/osdep.h"
+#if !defined(_WIN32)
#include <poll.h>
+#endif
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
@@ -51,6 +53,13 @@
#define QEMU_NFS_MAX_PAGECACHE_SIZE (8388608 / NFS_BLKSIZE)
#define QEMU_NFS_MAX_DEBUG_LEVEL 2
+#if defined (_WIN32)
+#define nfs_stat __stat64
+typedef long long blkcnt_t;
+#else
+#define nfs_stat stat
+#endif
+
typedef struct NFSClient {
struct nfs_context *context;
struct nfsfh *fh;
@@ -70,7 +79,7 @@ typedef struct NFSRPC {
int ret;
int complete;
QEMUIOVector *iov;
- struct stat *st;
+ struct nfs_stat *st;
Coroutine *co;
NFSClient *client;
} NFSRPC;
@@ -415,11 +424,21 @@ static void nfs_file_close(BlockDriverState *bs)
nfs_client_close(client);
}
+static blkcnt_t nfs_get_st_blocks(const struct nfs_stat *st)
+{
+#if defined(_WIN32)
+ /* TODO: Not be possible implement on win32 yet, place here for futher implementation */
+ return 0;
+#else
+ return st->st_blocks;
+#endif
+}
+
static int64_t nfs_client_open(NFSClient *client, BlockdevOptionsNfs *opts,
int flags, int open_flags, Error **errp)
{
int64_t ret = -EINVAL;
- struct stat st;
+ struct nfs_stat st;
char *file = NULL, *strp = NULL;
qemu_mutex_init(&client->mutex);
@@ -545,7 +564,7 @@ static int64_t nfs_client_open(NFSClient *client, BlockdevOptionsNfs *opts,
}
ret = DIV_ROUND_UP(st.st_size, BDRV_SECTOR_SIZE);
- client->st_blocks = st.st_blocks;
+ client->st_blocks = nfs_get_st_blocks(&st);
client->has_zero_init = S_ISREG(st.st_mode);
*strp = '/';
goto out;
@@ -706,6 +725,7 @@ static int nfs_has_zero_init(BlockDriverState *bs)
return client->has_zero_init;
}
+#if !defined (_WIN32)
/* Called (via nfs_service) with QemuMutex held. */
static void
nfs_get_allocated_file_size_cb(int ret, struct nfs_context *nfs, void *data,
@@ -729,7 +749,7 @@ static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
{
NFSClient *client = bs->opaque;
NFSRPC task = {0};
- struct stat st;
+ struct nfs_stat st;
if (bdrv_is_read_only(bs) &&
!(bs->open_flags & BDRV_O_NOCACHE)) {
@@ -746,8 +766,9 @@ static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
nfs_set_events(client);
BDRV_POLL_WHILE(bs, !task.complete);
- return (task.ret < 0 ? task.ret : st.st_blocks * 512);
+ return (task.ret < 0 ? task.ret : nfs_get_st_blocks(&st) * 512);
}
+#endif
static int coroutine_fn
nfs_file_co_truncate(BlockDriverState *bs, int64_t offset, bool exact,
@@ -778,7 +799,7 @@ static int nfs_reopen_prepare(BDRVReopenState *state,
BlockReopenQueue *queue, Error **errp)
{
NFSClient *client = state->bs->opaque;
- struct stat st;
+ struct nfs_stat st;
int ret = 0;
if (state->flags & BDRV_O_RDWR && bdrv_is_read_only(state->bs)) {
@@ -800,7 +821,7 @@ static int nfs_reopen_prepare(BDRVReopenState *state,
nfs_get_error(client->context));
return ret;
}
- client->st_blocks = st.st_blocks;
+ client->st_blocks = nfs_get_st_blocks(&st);
}
return 0;
@@ -869,7 +890,9 @@ static BlockDriver bdrv_nfs = {
.create_opts = &nfs_create_opts,
.bdrv_has_zero_init = nfs_has_zero_init,
+#if !defined (_WIN32)
.bdrv_get_allocated_file_size = nfs_get_allocated_file_size,
+#endif
.bdrv_co_truncate = nfs_file_co_truncate,
.bdrv_file_open = nfs_file_open,
These compiling errors are fixed: ../block/nfs.c:27:10: fatal error: poll.h: No such file or directory 27 | #include <poll.h> | ^~~~~~~~ compilation terminated. ../block/nfs.c:63:5: error: unknown type name 'blkcnt_t' 63 | blkcnt_t st_blocks; | ^~~~~~~~ ../block/nfs.c: In function 'nfs_client_open': ../block/nfs.c:550:27: error: 'struct _stat64' has no member named 'st_blocks' 550 | client->st_blocks = st.st_blocks; | ^ ../block/nfs.c: In function 'nfs_get_allocated_file_size': ../block/nfs.c:751:41: error: 'struct _stat64' has no member named 'st_blocks' 751 | return (task.ret < 0 ? task.ret : st.st_blocks * 512); | ^ ../block/nfs.c: In function 'nfs_reopen_prepare': ../block/nfs.c:805:31: error: 'struct _stat64' has no member named 'st_blocks' 805 | client->st_blocks = st.st_blocks; | ^ ../block/nfs.c: In function 'nfs_get_allocated_file_size': ../block/nfs.c:752:1: error: control reaches end of non-void function [-Werror=return-type] 752 | } | ^ On msys2/mingw, there is no st_blocks in struct _stat64 yet, we disable the usage of it on msys2/mingw, and create a typedef long long blkcnt_t; for further implementation Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> --- block/nfs.c | 37 ++++++++++++++++++++++++++++++------- 1 file changed, 30 insertions(+), 7 deletions(-)