Prevent schedule while atomic in __logfs_readdir
Apparently filldir can sleep, which forbids kmap_atomic.
Signed-off-by: Joern Engel <joern@logfs.org>
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 56a8bfb..c76b4b5 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -303,12 +303,12 @@
(filler_t *)logfs_readpage, NULL);
if (IS_ERR(page))
return PTR_ERR(page);
- dd = kmap_atomic(page, KM_USER0);
+ dd = kmap(page);
BUG_ON(dd->namelen == 0);
full = filldir(buf, (char *)dd->name, be16_to_cpu(dd->namelen),
pos, be64_to_cpu(dd->ino), dd->type);
- kunmap_atomic(dd, KM_USER0);
+ kunmap(page);
page_cache_release(page);
if (full)
break;