Commit 43e817a1 authored by Itaru Kitayama's avatar Itaru Kitayama Committed by Chris Mason
Browse files

btrfs: fix wrong allocating flag when reading page



the space cache use extent_readpages() to read free space information,
so we can not use GFP_KERNEL flag to allocate memory, or it may lead
to deadlock.
Signed-off-by: default avatarItaru Kitayama <kitayama@cl.bb4u.ne.jp>
Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent a62f44a5
......@@ -2681,7 +2681,7 @@ int extent_readpages(struct extent_io_tree *tree,
prefetchw(&page->flags);
list_del(&page->lru);
if (!add_to_page_cache_lru(page, mapping,
page->index, GFP_KERNEL)) {
page->index, GFP_NOFS)) {
__extent_read_full_page(tree, page, get_extent,
&bio, 0, &bio_flags);
}
......
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