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envelope-from=prvs=9352c01a6b=bin.meng@windriver.com; helo=mx0b-0064b401.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org As Windows host does not have stat->st_blksize field, we use the one we calculated in init_win32_root_directory(). Add a helper qemu_stat_blksize() and use it to avoid direct access to stat->st_blksize. Co-developed-by: Guohuai Shi Signed-off-by: Bin Meng --- hw/9pfs/9p-util.h | 12 ++++++++++++ hw/9pfs/9p-util-win32.c | 7 +++++++ hw/9pfs/9p.c | 13 ++++++++++++- 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/hw/9pfs/9p-util.h b/hw/9pfs/9p-util.h index b8e5c037a2..ff16e74f5d 100644 --- a/hw/9pfs/9p-util.h +++ b/hw/9pfs/9p-util.h @@ -131,6 +131,7 @@ int openat_dir(int dirfd, const char *name); int openat_file(int dirfd, const char *name, int flags, mode_t mode); off_t qemu_dirent_off_win32(void *s, void *fs); uint64_t qemu_stat_rdev_win32(void *fs_ctx); +uint64_t qemu_stat_blksize_win32(void *fs_ctx); #endif static inline void close_preserve_errno(int fd) @@ -258,6 +259,17 @@ static inline uint64_t qemu_stat_rdev(const struct stat *stbuf, void *fs_ctx) #endif } +static inline uint64_t qemu_stat_blksize(const struct stat *stbuf, void *fs_ctx) +{ +#if defined(CONFIG_LINUX) || defined(CONFIG_DARWIN) + return stbuf->st_blksize; +#elif defined(CONFIG_WIN32) + return qemu_stat_blksize_win32(fs_ctx); +#else +#error Missing qemu_stat_blksize() implementation for this host system +#endif +} + /* * As long as mknodat is not available on macOS, this workaround * using pthread_fchdir_np is needed. qemu_mknodat is defined in diff --git a/hw/9pfs/9p-util-win32.c b/hw/9pfs/9p-util-win32.c index 54c10069b9..07e1fcc4f1 100644 --- a/hw/9pfs/9p-util-win32.c +++ b/hw/9pfs/9p-util-win32.c @@ -954,3 +954,10 @@ uint64_t qemu_stat_rdev_win32(void *fs_ctx) return rdev; } + +uint64_t qemu_stat_blksize_win32(void *fs_ctx) +{ + LocalData *data = ((FsContext *)fs_ctx)->private; + + return data ? (uint64_t)data->block_size : 0; +} diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 36916fe581..def85a57fa 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -1335,12 +1335,14 @@ static int32_t blksize_to_iounit(const V9fsPDU *pdu, int32_t blksize) static int32_t stat_to_iounit(const V9fsPDU *pdu, const struct stat *stbuf) { - return blksize_to_iounit(pdu, stbuf->st_blksize); + return blksize_to_iounit(pdu, qemu_stat_blksize(stbuf, &pdu->s->ctx)); } static int stat_to_v9stat_dotl(V9fsPDU *pdu, const struct stat *stbuf, V9fsStatDotl *v9lstat) { + dev_t rdev = qemu_stat_rdev(stbuf, &pdu->s->ctx); + memset(v9lstat, 0, sizeof(*v9lstat)); v9lstat->st_mode = stbuf->st_mode; @@ -1350,7 +1352,16 @@ static int stat_to_v9stat_dotl(V9fsPDU *pdu, const struct stat *stbuf, v9lstat->st_rdev = host_dev_to_dotl_dev(rdev); v9lstat->st_size = stbuf->st_size; v9lstat->st_blksize = stat_to_iounit(pdu, stbuf); +#if defined(CONFIG_LINUX) || defined(CONFIG_DARWIN) v9lstat->st_blocks = stbuf->st_blocks; +#elif defined(CONFIG_WIN32) + if (v9lstat->st_blksize == 0) { + v9lstat->st_blocks = 0; + } else { + v9lstat->st_blocks = ROUND_UP(v9lstat->st_size / v9lstat->st_blksize, + v9lstat->st_blksize); + } +#endif v9lstat->st_atime_sec = stbuf->st_atime; v9lstat->st_mtime_sec = stbuf->st_mtime; v9lstat->st_ctime_sec = stbuf->st_ctime; -- 2.25.1