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-rw-r--r--arch/um/os-Linux/file.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 07a750197bb..08d90fba952 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -237,6 +237,12 @@ void os_close_file(int fd)
{
close(fd);
}
+int os_fsync_file(int fd)
+{
+ if (fsync(fd) < 0)
+ return -errno;
+ return 0;
+}
int os_seek_file(int fd, unsigned long long offset)
{