diff options
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 8865538b26b6..31fdb03225cd 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -554,13 +554,14 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize) static inline unsigned int nfs_page_length(struct page *page) { - loff_t i_size = i_size_read(page->mapping->host); + loff_t i_size = i_size_read(page_file_mapping(page)->host); if (i_size > 0) { + pgoff_t page_index = page_file_index(page); pgoff_t end_index = (i_size - 1) >> PAGE_CACHE_SHIFT; - if (page->index < end_index) + if (page_index < end_index) return PAGE_CACHE_SIZE; - if (page->index == end_index) + if (page_index == end_index) return ((i_size - 1) & ~PAGE_CACHE_MASK) + 1; } return 0; |