From: Miklos Szeredi <mszeredi@suse.cz>

This fixes O_APPEND in direct IO mode.  Also checks writes against file size
limits, notably rlimits.

Reported by Greg Bruno.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/fuse/file.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff -puN fs/fuse/file.c~fuse-generic_write_checks-for-direct_io fs/fuse/file.c
--- a/fs/fuse/file.c~fuse-generic_write_checks-for-direct_io
+++ a/fs/fuse/file.c
@@ -610,7 +610,9 @@ static ssize_t fuse_direct_write(struct 
 	ssize_t res;
 	/* Don't allow parallel writes to the same file */
 	mutex_lock(&inode->i_mutex);
-	res = fuse_direct_io(file, buf, count, ppos, 1);
+	res = generic_write_checks(file, ppos, &count, 0);
+	if (!res)
+		res = fuse_direct_io(file, buf, count, ppos, 1);
 	mutex_unlock(&inode->i_mutex);
 	return res;
 }
_