-
-#ifdef NTFS_RW
-
-/**
- * __ntfs_index_entry_mark_dirty - mark an index allocation entry dirty
- * @ictx: ntfs index context describing the index entry
- *
- * NOTE: You want to use fs/ntfs/index.h::ntfs_index_entry_mark_dirty() instead!
- *
- * Mark the index allocation entry described by the index entry context @ictx
- * dirty.
- *
- * The index entry must be in an index block belonging to the index allocation
- * attribute. Mark the buffers belonging to the index record as well as the
- * page cache page the index block is in dirty. This automatically marks the
- * VFS inode of the ntfs index inode to which the index entry belongs dirty,
- * too (I_DIRTY_PAGES) and this in turn ensures the page buffers, and hence the
- * dirty index block, will be written out to disk later.
- */
-void __ntfs_index_entry_mark_dirty(ntfs_index_context *ictx)
-{
- ntfs_inode *ni;
- struct page *page;
- struct buffer_head *bh, *head;
- unsigned int rec_start, rec_end, bh_size, bh_start, bh_end;
-
- BUG_ON(ictx->is_in_root);
- ni = ictx->idx_ni;
- page = ictx->page;
- BUG_ON(!page_has_buffers(page));
- /*
- * If the index block is the same size as the page cache page, set all
- * the buffers in the page, as well as the page itself, dirty.
- */
- if (ni->itype.index.block_size == PAGE_CACHE_SIZE) {
- __set_page_dirty_buffers(page);
- return;
- }
- /* Set only the buffers in which the index block is located dirty. */
- rec_start = (unsigned int)((u8*)ictx->ia - (u8*)page_address(page));
- rec_end = rec_start + ni->itype.index.block_size;
- bh_size = ni->vol->sb->s_blocksize;
- bh_start = 0;
- bh = head = page_buffers(page);
- do {
- bh_end = bh_start + bh_size;
- if ((bh_start >= rec_start) && (bh_end <= rec_end))
- set_buffer_dirty(bh);
- bh_start = bh_end;
- } while ((bh = bh->b_this_page) != head);
- /* Finally, set the page itself dirty, too. */
- __set_page_dirty_nobuffers(page);
-}
-
-#endif /* NTFS_RW */