diff options
Diffstat (limited to 'fs/ecryptfs/mmap.c')
| -rw-r--r-- | fs/ecryptfs/mmap.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 7d5a43cb0d5..e4ab7bc14ef 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -409,8 +409,7 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, if (!PageUptodate(page)) rc = ecryptfs_do_readpage(file, page, page->index); if (page->index != 0) { - loff_t end_of_prev_pg_pos = - (((loff_t)page->index << PAGE_CACHE_SHIFT) - 1); + loff_t end_of_prev_pg_pos = page_offset(page) - 1; if (end_of_prev_pg_pos > i_size_read(page->mapping->host)) { rc = ecryptfs_truncate(file->f_path.dentry, @@ -736,7 +735,7 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, goto out; } inode->i_blocks = lower_inode->i_blocks; - pos = (page->index << PAGE_CACHE_SHIFT) + to; + pos = page_offset(page) + to; if (pos > i_size_read(inode)) { i_size_write(inode, pos); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " |