* the pointer to new one, then send parent to disk.
*/
bh = sb_getblk(inode->i_sb, parent);
+ if (!bh) {
+ err = -EIO;
+ break;
+ }
lock_buffer(bh);
memset(bh->b_data, 0, blocksize);
branch[n].bh = bh;
return generic_block_bmap(mapping,block,ext2_get_block);
}
-static int
-ext2_get_blocks(struct inode *inode, sector_t iblock, unsigned long max_blocks,
- struct buffer_head *bh_result, int create)
-{
- int ret;
-
- ret = ext2_get_block(inode, iblock, bh_result, create);
- if (ret == 0)
- bh_result->b_size = (1 << inode->i_blkbits);
- return ret;
-}
-
static ssize_t
ext2_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
loff_t offset, unsigned long nr_segs)
struct inode *inode = file->f_mapping->host;
return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, ext2_get_blocks, NULL);
+ offset, nr_segs, ext2_get_block, NULL);
}
static int
return mpage_writepages(mapping, wbc, ext2_get_block);
}
-struct address_space_operations ext2_aops = {
+const struct address_space_operations ext2_aops = {
.readpage = ext2_readpage,
.readpages = ext2_readpages,
.writepage = ext2_writepage,
.bmap = ext2_bmap,
.direct_IO = ext2_direct_IO,
.writepages = ext2_writepages,
+ .migratepage = buffer_migrate_page,
};
-struct address_space_operations ext2_aops_xip = {
+const struct address_space_operations ext2_aops_xip = {
.bmap = ext2_bmap,
.get_xip_page = ext2_get_xip_page,
};
-struct address_space_operations ext2_nobh_aops = {
+const struct address_space_operations ext2_nobh_aops = {
.readpage = ext2_readpage,
.readpages = ext2_readpages,
.writepage = ext2_nobh_writepage,
.bmap = ext2_bmap,
.direct_IO = ext2_direct_IO,
.writepages = ext2_writepages,
+ .migratepage = buffer_migrate_page,
};
/*