fs: Separate out kiocb flags setup based on RWF_* flags

[mirror_ubuntu-artful-kernel.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 023f0324762b4ba39844cdd90c438ca80f4b539e..96a1a1fa54a944b7a108c94fbc234deb6878b28a 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3057,6 +3057,20 @@ static inline int iocb_flags(struct file *file)
        return res;
 }
 
+static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags)
+{
+       if (unlikely(flags & ~RWF_SUPPORTED))
+               return -EOPNOTSUPP;
+
+       if (flags & RWF_HIPRI)
+               ki->ki_flags |= IOCB_HIPRI;
+       if (flags & RWF_DSYNC)
+               ki->ki_flags |= IOCB_DSYNC;
+       if (flags & RWF_SYNC)
+               ki->ki_flags |= (IOCB_DSYNC | IOCB_SYNC);
+       return 0;
+}
+
 static inline ino_t parent_ino(struct dentry *dentry)
 {
        ino_t res;