Commit f3915f83 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Andreas Gruenbacher
Browse files

gfs2: use page_offset in gfs2_page_mkwrite 



Without casting page->index to a guaranteed 64-bit type, the value might be
treated as 32-bit on 32-bit platforms and thus get truncated.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndreas Gruenbacher <agruenba@redhat.com>
parent f29e62ee

fs/gfs2/file.c

+1 −1
Original line number Diff line number Diff line
@@ -408,7 +408,7 @@ static vm_fault_t gfs2_page_mkwrite(struct vm_fault *vmf) 
	struct gfs2_sbd *sdp = GFS2_SB(inode);

	struct gfs2_alloc_parms ap = { .aflags = 0, };

	unsigned long last_index;

	u64 pos = page->index << PAGE_SHIFT;

	u64 pos = page_offset(page);

	unsigned int data_blocks, ind_blocks, rblocks;

	struct gfs2_holder gh;

	loff_t size;