Merge tag 'folio-5.18d' of git://git.infradead.org/users/willy/pagecache

[linux-2.6-microblaze.git] / arch / um / os-Linux / file.c

diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index e4421db..fc4450d 100644 (file)
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -625,6 +625,15 @@ int os_falloc_punch(int fd, unsigned long long offset, int len)
        return n;
 }
 
+int os_falloc_zeroes(int fd, unsigned long long offset, int len)
+{
+       int n = fallocate(fd, FALLOC_FL_ZERO_RANGE|FALLOC_FL_KEEP_SIZE, offset, len);
+
+       if (n < 0)
+               return -errno;
+       return n;
+}
+
 int os_eventfd(unsigned int initval, int flags)
 {
        int fd = eventfd(initval, flags);