diff options
| author |   Olaf Hering <olaf@aepfle.de> | 2015-12-14 16:01:34 -0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-14 19:12:21 -0800 |
| commit | b4ed5d1682c6613988c2eb1de55df5ac9988afcc (patch) | |
| tree | bca8e7647dbaf5c0e9f272b4cfeb3dcd0baa3fb3 /tools/hv | |
| parent | Drivers: hv: utils: run polling callback always in interrupt context (diff) | |
| download | linux-dev-b4ed5d1682c6613988c2eb1de55df5ac9988afcc.tar.xz linux-dev-b4ed5d1682c6613988c2eb1de55df5ac9988afcc.zip | |
tools: hv: report ENOSPC errors in hv_fcopy_daemon
Currently some "Unspecified error 0x80004005" is reported on the Windows
side if something fails. Handle the ENOSPC case and return
ERROR_DISK_FULL, which allows at least Copy-VMFile to report a meaning
full error.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/hv')
| -rw-r--r-- | tools/hv/hv_fcopy_daemon.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/tools/hv/hv_fcopy_daemon.c b/tools/hv/hv_fcopy_daemon.c index 5480e4e424eb..f1d742682317 100644 --- a/tools/hv/hv_fcopy_daemon.c +++ b/tools/hv/hv_fcopy_daemon.c @@ -37,12 +37,14 @@ static int target_fd; static char target_fname[W_MAX_PATH]; +static unsigned long long filesize; static int hv_start_fcopy(struct hv_start_fcopy *smsg) { int error = HV_E_FAIL; char *q, *p; + filesize = 0; p = (char *)smsg->path_name; snprintf(target_fname, sizeof(target_fname), "%s/%s", (char *)smsg->path_name, (char *)smsg->file_name); @@ -98,14 +100,26 @@ done: static int hv_copy_data(struct hv_do_fcopy *cpmsg) { ssize_t bytes_written; + int ret = 0; bytes_written = pwrite(target_fd, cpmsg->data, cpmsg->size, cpmsg->offset); - if (bytes_written != cpmsg->size) - return HV_E_FAIL; + filesize += cpmsg->size; + if (bytes_written != cpmsg->size) { + switch (errno) { + case ENOSPC: + ret = HV_ERROR_DISK_FULL; + break; + default: + ret = HV_E_FAIL; + break; + } + syslog(LOG_ERR, "pwrite failed to write %llu bytes: %ld (%s)", + filesize, (long)bytes_written, strerror(errno)); + } - return 0; + return ret; } static int hv_copy_finished(void) |