+
+static int yaffs_prepare_write(struct file *f, struct page *pg,
+ unsigned offset, unsigned to)
+{
+ T(YAFFS_TRACE_OS, ("yaffs_prepair_write\n"));
+
+ if (!Page_Uptodate(pg))
+ return yaffs_readpage_nolock(f, pg);
+ return 0;
+}
+#endif
+
+#if (YAFFS_USE_WRITE_BEGIN_END > 0)
+static int yaffs_write_end(struct file *filp, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned copied,
+ struct page *pg, void *fsdadata)
+{
+ int ret = 0;
+ void *addr, *kva;
+ uint32_t offset_into_page = pos & (PAGE_CACHE_SIZE - 1);
+
+ kva = kmap(pg);
+ addr = kva + offset_into_page;
+
+ T(YAFFS_TRACE_OS,
+ ("yaffs_write_end addr %x pos %x nBytes %d\n",
+ (unsigned) addr,
+ (int)pos, copied));
+
+ ret = yaffs_file_write(filp, addr, copied, &pos);
+
+ if (ret != copied) {
+ T(YAFFS_TRACE_OS,
+ ("yaffs_write_end not same size ret %d copied %d\n",
+ ret, copied));
+ SetPageError(pg);
+ } else {
+ /* Nothing */
+ }
+
+ kunmap(pg);
+
+ yaffs_release_space(filp);
+ unlock_page(pg);
+ page_cache_release(pg);
+ return ret;
+}
+#else
+
+static int yaffs_commit_write(struct file *f, struct page *pg, unsigned offset,
+ unsigned to)
+{
+ void *addr, *kva;
+
+ loff_t pos = (((loff_t) pg->index) << PAGE_CACHE_SHIFT) + offset;
+ int nBytes = to - offset;
+ int nWritten;
+
+ unsigned spos = pos;
+ unsigned saddr;
+
+ kva = kmap(pg);
+ addr = kva + offset;
+
+ saddr = (unsigned) addr;
+
+ T(YAFFS_TRACE_OS,
+ ("yaffs_commit_write addr %x pos %x nBytes %d\n",
+ saddr, spos, nBytes));
+
+ nWritten = yaffs_file_write(f, addr, nBytes, &pos);
+
+ if (nWritten != nBytes) {
+ T(YAFFS_TRACE_OS,
+ ("yaffs_commit_write not same size nWritten %d nBytes %d\n",
+ nWritten, nBytes));
+ SetPageError(pg);
+ } else {
+ /* Nothing */
+ }
+
+ kunmap(pg);
+
+ T(YAFFS_TRACE_OS,
+ ("yaffs_commit_write returning %d\n",
+ nWritten == nBytes ? 0 : nWritten));
+
+ return nWritten == nBytes ? 0 : nWritten;
+}
+#endif
+
+
+static void yaffs_FillInodeFromObject(struct inode *inode, yaffs_Object *obj)
+{
+ if (inode && obj) {
+
+
+ /* Check mode against the variant type and attempt to repair if broken. */
+ __u32 mode = obj->yst_mode;
+ switch (obj->variantType) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ if (!S_ISREG(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFREG;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
+ if (!S_ISLNK(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFLNK;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
+ if (!S_ISDIR(mode)) {
+ obj->yst_mode &= ~S_IFMT;
+ obj->yst_mode |= S_IFDIR;
+ }
+
+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ case YAFFS_OBJECT_TYPE_SPECIAL:
+ default:
+ /* TODO? */
+ break;
+ }
+
+ inode->i_flags |= S_NOATIME;
+
+ inode->i_ino = obj->objectId;
+ inode->i_mode = obj->yst_mode;
+ inode->i_uid = obj->yst_uid;
+ inode->i_gid = obj->yst_gid;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
+ inode->i_blksize = inode->i_sb->s_blocksize;
+#endif
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
+
+ inode->i_rdev = old_decode_dev(obj->yst_rdev);
+ inode->i_atime.tv_sec = (time_t) (obj->yst_atime);
+ inode->i_atime.tv_nsec = 0;
+ inode->i_mtime.tv_sec = (time_t) obj->yst_mtime;
+ inode->i_mtime.tv_nsec = 0;
+ inode->i_ctime.tv_sec = (time_t) obj->yst_ctime;
+ inode->i_ctime.tv_nsec = 0;
+#else
+ inode->i_rdev = obj->yst_rdev;
+ inode->i_atime = obj->yst_atime;
+ inode->i_mtime = obj->yst_mtime;
+ inode->i_ctime = obj->yst_ctime;