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[PATCHv1,RFC,30/33] ext4: relax assert in ext4_da_page_release_reservation()

Message ID 1469493335-3622-31-git-send-email-kirill.shutemov@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kirill A . Shutemov July 26, 2016, 12:35 a.m. UTC
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 <kirill.shutemov@linux.intel.com>
---
 fs/ext4/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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;