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-rw-r--r--block/file-posix.c2
-rw-r--r--block/trace-events1
2 files changed, 3 insertions, 0 deletions
diff --git a/block/file-posix.c b/block/file-posix.c
index 5ff78ec..4189b2b 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1338,6 +1338,8 @@ static int handle_aiocb_flush(void *opaque)
ret = qemu_fdatasync(aiocb->aio_fildes);
if (ret == -1) {
+ trace_file_flush_fdatasync_failed(errno);
+
/* There is no clear definition of the semantics of a failing fsync(),
* so we may have to assume the worst. The sad truth is that this
* assumption is correct for Linux. Some pages are now probably marked
diff --git a/block/trace-events b/block/trace-events
index 574760b..b3d2b1e 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -206,6 +206,7 @@ file_copy_file_range(void *bs, int src, int64_t src_off, int dst, int64_t dst_of
file_FindEjectableOpticalMedia(const char *media) "Matching using %s"
file_setup_cdrom(const char *partition) "Using %s as optical disc"
file_hdev_is_sg(int type, int version) "SG device found: type=%d, version=%d"
+file_flush_fdatasync_failed(int err) "errno %d"
# ssh.c
sftp_error(const char *op, const char *ssh_err, int ssh_err_code, int sftp_err_code) "%s failed: %s (libssh error code: %d, sftp error code: %d)"