[PATCHv1, RFC 30/33] ext4: relax assert in ext4_da_page_release_reservation()
From: Kirill A. Shutemov <hidden>
Date: 2016-07-26 00:35:32
Also in:
linux-block, linux-fsdevel, linux-mm, lkml
Subsystem:
ext4 file system, filesystems (vfs and infrastructure), the rest · Maintainers:
"Theodore Ts'o", Alexander Viro, Christian Brauner, Linus Torvalds
For huge pages 'stop' must be within HPAGE_PMD_SIZE. Let's use hpage_size() in the BUG_ON(). Signed-off-by: Kirill A. Shutemov <redacted> --- fs/ext4/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 744bba046268..2e22f62f007b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c@@ -1550,7 +1550,7 @@ static void ext4_da_page_release_reservation(struct page *page, int num_clusters; ext4_fsblk_t lblk; - BUG_ON(stop > PAGE_SIZE || stop < length); + BUG_ON(stop > hpage_size(page) || stop < length); head = page_buffers(page); bh = head;
--
2.8.1
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