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Commit d2d7b8a2 authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

[GFS2] Fix bug in writepage() 



As pointed out by Wendy Cheng, the logic in GFS2's writepage() function
wasn't quite right with respect to invalidating pages when a file has been
truncated. This patch fixes that.

CC: Wendy Cheng <wcheng@redhat.com>
Signed-off-by: default avatarSteven Whitehouse <swhiteho@redhat.com>
parent 56409abb

fs/gfs2/ops_address.c

+1 −1
Original line number Diff line number Diff line
@@ -126,7 +126,7 @@ static int gfs2_writepage(struct page *page, struct writeback_control *wbc) 


	/* Is the page fully outside i_size? (truncate in progress) */

        offset = i_size & (PAGE_CACHE_SIZE-1);

	if (page->index >= end_index+1 || !offset) {

	if (page->index > end_index || (page->index == end_index && !offset)) {

		page->mapping->a_ops->invalidatepage(page, 0);

		unlock_page(page);

		return 0; /* don't care */