Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.4 456/459] cifs: log warning message (once) if out of disk space | Date | Fri, 14 Feb 2020 11:01:46 -0500 |
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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 06d932ed097e5..c6fc6582ee7bc 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3917,6 +3917,9 @@ 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, -- 2.20.1
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