cifs: log warning message (once) if out of disk space

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>
This commit is contained in:
Steve French 2020-02-05 16:52:11 -06:00
parent b0dd940e58
commit d6fd41905e
1 changed files with 3 additions and 0 deletions

View File

@ -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,