From: Steve French stfrench@microsoft.com
[ Upstream commit d6fd41905ec577851734623fb905b1763801f5ef ]
We ran into a confusing problem where an application wasn't checking return code on close and so user didn't realize that the application ran out of disk space. log a warning message (once) in these cases. For example:
[ 8407.391909] Out of space writing to \oleg-server\small-share
Signed-off-by: Steve French stfrench@microsoft.com Reported-by: Oleg Kravtsov oleg@tuxera.com Reviewed-by: Ronnie Sahlberg lsahlber@redhat.com Reviewed-by: Pavel Shilovsky pshilov@microsoft.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/cifs/smb2pdu.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 0a3b37abc5e12..6c9497c18f0b8 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -4029,6 +4029,9 @@ smb2_writev_callback(struct mid_q_entry *mid) wdata->cfile->fid.persistent_fid, tcon->tid, tcon->ses->Suid, wdata->offset, wdata->bytes, wdata->result); + if (wdata->result == -ENOSPC) + printk_once(KERN_WARNING "Out of space writing to %s\n", + tcon->treeName); } else trace_smb3_write_done(0 /* no xid */, wdata->cfile->fid.persistent_fid,