Commit 766741fc authored by Miklos Szeredi's avatar Miklos Szeredi
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Revert "fuse: require /dev/fuse reads to have enough buffer capacity" 



This reverts commit d4b13963.

The commit introduced a regression in glusterfs-fuse.

Reported-by: default avatarSander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent d1fdb6d8

fs/fuse/dev.c

+0 −10
Original line number Diff line number Diff line
@@ -1317,16 +1317,6 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, 
	unsigned reqsize;

	unsigned int hash;



	/*

	 * Require sane minimum read buffer - that has capacity for fixed part

	 * of any request header + negotated max_write room for data. If the

	 * requirement is not satisfied return EINVAL to the filesystem server

	 * to indicate that it is not following FUSE server/client contract.

	 * Don't dequeue / abort any request.

	 */

	if (nbytes < max_t(size_t, FUSE_MIN_READ_BUFFER, 4096 + fc->max_write))

		return -EINVAL;



 restart:

	spin_lock(&fiq->waitq.lock);

	err = -EAGAIN;