diff options
| -rw-r--r-- | fs/buffer.c | 2 | ||||
| -rw-r--r-- | fs/ecryptfs/mmap.c | 5 | ||||
| -rw-r--r-- | fs/ocfs2/mmap.c | 2 |
3 files changed, 4 insertions, 5 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 02ebb1f1d3b0..0e5ec371ce72 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2221,7 +2221,7 @@ block_page_mkwrite(struct vm_area_struct *vma, struct page *page, lock_page(page); size = i_size_read(inode); if ((page->mapping != inode->i_mapping) || - ((page->index << PAGE_CACHE_SHIFT) > size)) { + (page_offset(page) > size)) { /* page got truncated out from underneath us */ goto out_unlock; } diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 7d5a43cb0d5c..e4ab7bc14efe 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 " diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index ee64749e2eeb..98756156d298 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -89,7 +89,7 @@ static int __ocfs2_page_mkwrite(struct inode *inode, struct buffer_head *di_bh, { int ret; struct address_space *mapping = inode->i_mapping; - loff_t pos = page->index << PAGE_CACHE_SHIFT; + loff_t pos = page_offset(page); unsigned int len = PAGE_CACHE_SIZE; pgoff_t last_index; struct page *locked_page = NULL; |