Btrfs: 64 bit div fixes

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 7f8e3035d99e..0325dc038592 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -82,7 +82,7 @@ static int dirty_and_release_pages(struct btrfs_trans_handle *trans,
 
         for (i = 0; i < num_pages; i++) {
                 offset = pos & (PAGE_CACHE_SIZE -1);
-                this_write = min(PAGE_CACHE_SIZE - offset, write_bytes);
+                this_write = min((size_t)PAGE_CACHE_SIZE - offset, write_bytes);
                 /* FIXME, one block at a time */
 
                 mutex_lock(&root->fs_info->fs_mutex);
@@ -395,7 +395,7 @@ static int prepare_pages(struct btrfs_root *root,
                 cancel_dirty_page(pages[i], PAGE_CACHE_SIZE);
                 wait_on_page_writeback(pages[i]);
                 offset = pos & (PAGE_CACHE_SIZE -1);
-                this_write = min(PAGE_CACHE_SIZE - offset, write_bytes);
+                this_write = min((size_t)PAGE_CACHE_SIZE - offset, write_bytes);
                 if (!page_has_buffers(pages[i])) {
                         create_empty_buffers(pages[i],
                                              root->fs_info->sb->s_blocksize,
@@ -567,7 +567,8 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 
         while(count > 0) {
                 size_t offset = pos & (PAGE_CACHE_SIZE - 1);
-                size_t write_bytes = min(count, PAGE_CACHE_SIZE - offset);
+                size_t write_bytes = min(count,
+                                         (size_t)PAGE_CACHE_SIZE - offset);
                 size_t num_pages = (write_bytes + PAGE_CACHE_SIZE - 1) >>
                                         PAGE_CACHE_SHIFT;