Use O_DIRECT for all IO to devices.

[thirdparty/mdadm.git] / Kill.c

diff --git a/Kill.c b/Kill.c
index eb7475416322b94862115314012f960c79421731..d5c1e36df4d3724e6cf060238902cb897e01bfed 100644 (file)
--- a/Kill.c
+++ b/Kill.c
@@ -44,7 +44,7 @@ int Kill(char *dev, int force, int quiet, int noexcl)
        int fd, rv = 0;
        struct supertype *st;
 
-       fd = open(dev, noexcl ? O_RDWR : (O_RDWR|O_EXCL));
+       fd = open(dev, O_DIRECT | (noexcl ? O_RDWR : (O_RDWR|O_EXCL)));
        if (fd < 0) {
                if (!quiet)
                        fprintf(stderr, Name ": Couldn't open %s for write - not zeroing\n",