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-rw-r--r--fs/fcntl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c
index ee85cd4e136a..350a2c8cfd28 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -51,7 +51,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
if (arg & O_NDELAY)
arg |= O_NONBLOCK;
- if (arg & O_DIRECT) {
+ /* Pipe packetized mode is controlled by O_DIRECT flag */
+ if (!S_ISFIFO(filp->f_inode->i_mode) && (arg & O_DIRECT)) {
if (!filp->f_mapping || !filp->f_mapping->a_ops ||
!filp->f_mapping->a_ops->direct_IO)
return -EINVAL;