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| author |   Christoph Hellwig <hch@lst.de> | 2015-08-17 18:40:58 +0200 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-17 13:22:49 -0500 |
| commit | 68596bd188e5e621c28a2f6fc0a3dd80a606d16b (patch) | |
| tree | a615f5fc74722bd001d544b7221c3186bfc8c45a /fs/nfs/blocklayout | |
| parent | pnfs/blocklayout: calculate layoutupdate size correctly (diff) | |
| download | linux-dev-68596bd188e5e621c28a2f6fc0a3dd80a606d16b.tar.xz linux-dev-68596bd188e5e621c28a2f6fc0a3dd80a606d16b.zip | |
pnfs/blocklayout: set up layoutupdate_pages properly
We need to replace the __be32 with a void pointer to do proper arithmentics
on the virtual addresses so that we can get the right page pointers.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/blocklayout')
| -rw-r--r-- | fs/nfs/blocklayout/extent_tree.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c index 7536036fb526..a11b759d294a 100644 --- a/fs/nfs/blocklayout/extent_tree.c +++ b/fs/nfs/blocklayout/extent_tree.c @@ -558,14 +558,11 @@ retry: arg->layoutupdate_len = ext_tree_layoutupdate_size(count); if (unlikely(arg->layoutupdate_pages != &arg->layoutupdate_page)) { - __be32 *p = start_p; + void *p = start_p, *end = p + arg->layoutupdate_len; int i = 0; - for (p = start_p; - p < start_p + arg->layoutupdate_len; - p += PAGE_SIZE) { + for ( ; p < end; p += PAGE_SIZE) arg->layoutupdate_pages[i++] = vmalloc_to_page(p); - } } dprintk("%s found %zu ranges\n", __func__, count); |