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)
88 __func__, inode->i_ino, pg->index << PAGE_SHIFT);
90 BUG_ON(!PageLocked(pg));
92 pg_buf = kmap(pg);
95 ret = jffs2_read_inode_range(c, f, pg_buf, pg->index << PAGE_SHIFT,
99 ClearPageUptodate(pg);
100 SetPageError(pg);
102 SetPageUptodate(pg);
103 ClearPageError(pg);
106 flush_dcache_page(pg);
107 kunmap(pg);
113 int jffs2_do_readpage_unlock(void *data, struct page *pg)
115 int ret = jffs2_do_readpage_nolock(data, pg);
116 unlock_page(pg);
121 static int jffs2_readpage (struct file *filp, struct page *pg)
123 struct jffs2_inode_info *f = JFFS2_INODE_INFO(pg->mapping->host);
127 ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
136 struct page *pg;
215 pg = grab_cache_page_write_begin(mapping, index, flags);
216 if (!pg) {
220 *pagep = pg;
227 if (!PageUptodate(pg)) {
229 ret = jffs2_do_readpage_nolock(inode, pg);
232 unlock_page(pg);
233 put_page(pg);
237 jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags);
247 struct page *pg, void *fsdata)
263 __func__, inode->i_ino, pg->index << PAGE_SHIFT,
264 start, end, pg->flags);
270 BUG_ON(!PageUptodate(pg));
285 unlock_page(pg);
286 put_page(pg);
300 kmap(pg);
302 ret = jffs2_write_inode_range(c, f, ri, page_address(pg) + aligned_start,
303 (pg->index << PAGE_SHIFT) + aligned_start,
306 kunmap(pg);
310 SetPageError(pg);
333 SetPageError(pg);
334 ClearPageUptodate(pg);
339 unlock_page(pg);
340 put_page(pg);