Commit 6a74c0c9 authored Nov 24, 2014 by Christoph Hellwig Committed by Trond Myklebust Nov 24, 2014

pnfs/blocklayout: fix end calculation in pnfs_num_cont_bytes



Use the number of pages in the pagecache mapping instead of the
number of pnfs requests which is only slightly related.

Reported-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 1a867a08

fs/nfs/blocklayout/blocklayout.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -812,7 +812,7 @@ static u64 pnfs_num_cont_bytes(struct inode *inode, pgoff_t idx)

		/* Optimize common case that writes from 0 to end of file */
		end = DIV_ROUND_UP(i_size_read(inode), PAGE_CACHE_SIZE);
		if (end != NFS_I(inode)->npages) {
		if (end != inode->i_mapping->nrpages) {
		rcu_read_lock();
		end = page_cache_next_hole(mapping, idx + 1, ULONG_MAX);
		rcu_read_unlock();