Kernel: readi(): respect u_sysio flag

diff --git a/Kernel/inode.c b/Kernel/inode.c
index d0ae1a8..22e883a 100644 (file)
--- a/Kernel/inode.c
+++ b/Kernel/inode.c
@@ -56,7 +56,7 @@ void readi(inoptr ino, uint8_t flag)
                        amount = min(toread, BLKSIZE - (udata.u_offset&BLKMASK));
                        pblk = bmap(ino, udata.u_offset >> BLKSHIFT, 1);
 
-                       if(!ispipe && amount == BLKSIZE && bfind(dev, pblk) == 0){
+                       if(!ispipe && amount == BLKSIZE && !udata.u_sysio && bfind(dev, pblk) == 0){
                                /* we can transfer direct from disk to the userspace buffer */
                                uostash = udata.u_offset;                   /* stash file offset */
                                ucstash = udata.u_count;                    /* stash byte count */