From: Olga Kornievskaia <olga.kornievskaia@xxxxxxxxx>
commit 45ac486ecf2dc998e25cf32f0cabf2deaad875be upstream.
Currently nfs42_proc_copy_file_range() can not return EAGAIN.
Fixes: e4648aa4f98a ("NFS recover from destination server reboot for copies")
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Cc: Yu Xu <xuyu@xxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/nfs/nfs4file.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -133,15 +133,9 @@ static ssize_t nfs4_copy_file_range(stru
struct file *file_out, loff_t pos_out,
size_t count, unsigned int flags)
{
- ssize_t ret;
-
if (file_inode(file_in) == file_inode(file_out))
return -EINVAL;
-retry:
- ret = nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
- if (ret == -EAGAIN)
- goto retry;
- return ret;
+ return nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
}
static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence)
