*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: wbuf.c,v 1.88 2005/02/09 09:17:41 pavlov Exp $
+ * $Id: wbuf.c,v 1.92 2005/04/05 12:51:54 dedekind Exp $
*
*/
struct jffs2_inodirty *new;
/* Mark the superblock dirty so that kupdated will flush... */
- OFNI_BS_2SFFJ(c)->s_dirt = 1;
+ jffs2_erase_pending_trigger(c);
if (jffs2_wbuf_pending_for_ino(c, ino))
return;
return ret;
}
-#ifdef CONFIG_JFFS2_FS_DATAFLASH
+#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
#define PAGE_DIV(x) ( ((unsigned long)(x) / (unsigned long)(c->wbuf_pagesize)) * (unsigned long)(c->wbuf_pagesize) )
#define PAGE_MOD(x) ( (unsigned long)(x) % (unsigned long)(c->wbuf_pagesize) )
#else
return c->mtd->read(c->mtd, ofs, len, retlen, buf);
/* Read flash */
+ down_read(&c->wbuf_sem);
if (jffs2_cleanmarker_oob(c))
ret = c->mtd->read_ecc(c->mtd, ofs, len, retlen, buf, NULL, c->oobinfo);
else
/* if no writebuffer available or write buffer empty, return */
if (!c->wbuf_pagesize || !c->wbuf_len)
- return ret;;
+ goto exit;
/* if we read in a different block, return */
if (SECTOR_ADDR(ofs) != SECTOR_ADDR(c->wbuf_ofs))
- return ret;
-
- /* Lock only if we have reason to believe wbuf contains relevant data,
- so that checking an erased block during wbuf recovery space allocation
- does not deadlock. */
- down_read(&c->wbuf_sem);
+ goto exit;
if (ofs >= c->wbuf_ofs) {
owbf = (ofs - c->wbuf_ofs); /* offset in write buffer */
kfree(c->wbuf);
}
-#ifdef CONFIG_JFFS2_FS_DATAFLASH
int jffs2_dataflash_setup(struct jffs2_sb_info *c) {
c->cleanmarker_size = 0; /* No cleanmarkers needed */
void jffs2_dataflash_cleanup(struct jffs2_sb_info *c) {
kfree(c->wbuf);
}
-#endif
-#ifdef CONFIG_JFFS2_FS_NOR_ECC
int jffs2_nor_ecc_flash_setup(struct jffs2_sb_info *c) {
/* Cleanmarker is actually larger on the flashes */
c->cleanmarker_size = 16;
void jffs2_nor_ecc_flash_cleanup(struct jffs2_sb_info *c) {
kfree(c->wbuf);
}
-#endif