Lines Matching refs:pg
26 struct page *pg, void *fsdata);
30 static int jffs2_readpage (struct file *filp, struct page *pg);
80 static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg) in jffs2_do_readpage_nolock() argument
88 __func__, inode->i_ino, pg->index << PAGE_SHIFT); in jffs2_do_readpage_nolock()
90 BUG_ON(!PageLocked(pg)); in jffs2_do_readpage_nolock()
92 pg_buf = kmap(pg); in jffs2_do_readpage_nolock()
95 ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_SHIFT, in jffs2_do_readpage_nolock()
99 ClearPageUptodate(pg); in jffs2_do_readpage_nolock()
100 SetPageError(pg); in jffs2_do_readpage_nolock()
102 SetPageUptodate(pg); in jffs2_do_readpage_nolock()
103 ClearPageError(pg); in jffs2_do_readpage_nolock()
106 flush_dcache_page(pg); in jffs2_do_readpage_nolock()
107 kunmap(pg); in jffs2_do_readpage_nolock()
113 int jffs2_do_readpage_unlock(void *data, struct page *pg) in jffs2_do_readpage_unlock() argument
115 int ret = jffs2_do_readpage_nolock(data, pg); in jffs2_do_readpage_unlock()
116 unlock_page(pg); in jffs2_do_readpage_unlock()
121 static int jffs2_readpage (struct file *filp, struct page *pg) in jffs2_readpage() argument
123 struct jffs2_inode_info *f = JFFS2_INODE_INFO(pg->mapping->host); in jffs2_readpage()
127 ret = jffs2_do_readpage_unlock(pg->mapping->host, pg); in jffs2_readpage()
136 struct page *pg; in jffs2_write_begin() local
143 pg = grab_cache_page_write_begin(mapping, index, flags); in jffs2_write_begin()
144 if (!pg) in jffs2_write_begin()
146 *pagep = pg; in jffs2_write_begin()
220 if (!PageUptodate(pg)) { in jffs2_write_begin()
222 ret = jffs2_do_readpage_nolock(inode, pg); in jffs2_write_begin()
227 jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags); in jffs2_write_begin()
231 unlock_page(pg); in jffs2_write_begin()
232 put_page(pg); in jffs2_write_begin()
238 struct page *pg, void *fsdata) in jffs2_write_end() argument
254 __func__, inode->i_ino, pg->index << PAGE_SHIFT, in jffs2_write_end()
255 start, end, pg->flags); in jffs2_write_end()
261 BUG_ON(!PageUptodate(pg)); in jffs2_write_end()
276 unlock_page(pg); in jffs2_write_end()
277 put_page(pg); in jffs2_write_end()
291 kmap(pg); in jffs2_write_end()
293 ret = jffs2_write_inode_range(c, f, ri, page_address(pg) + aligned_start, in jffs2_write_end()
294 (pg->index << PAGE_SHIFT) + aligned_start, in jffs2_write_end()
297 kunmap(pg); in jffs2_write_end()
301 SetPageError(pg); in jffs2_write_end()
324 SetPageError(pg); in jffs2_write_end()
325 ClearPageUptodate(pg); in jffs2_write_end()
330 unlock_page(pg); in jffs2_write_end()
331 put_page(pg); in jffs2_write_end()