ext4: Update i_diskzie during writepage for delayed allocation. From: Aneesh Kumar K.V We need to update i_disksize after allocating blocks. writepages already does this. Update writepage to also update i_disksize. Signed-off-by: Aneesh Kumar K.V --- fs/ext4/inode.c | 40 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) Index: linux-2.6.26-rc1/fs/ext4/inode.c =================================================================== --- linux-2.6.26-rc1.orig/fs/ext4/inode.c 2008-05-05 17:10:16.000000000 -0700 +++ linux-2.6.26-rc1/fs/ext4/inode.c 2008-05-05 17:10:17.000000000 -0700 @@ -1491,6 +1491,44 @@ out: return ret; } +/* FIXME!! only support data=writeback mode */ +static int ext4_da_writepage(struct page *page, + struct writeback_control *wbc) +{ + struct inode *inode = page->mapping->host; + handle_t *handle = NULL; + int ret = 0; + int err; + + if (ext4_journal_current_handle()) + goto out_fail; + + handle = ext4_journal_start(inode, ext4_writepage_trans_blocks(inode)); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + goto out_fail; + } + + if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode)) + ret = nobh_writepage(page, ext4_get_block, wbc); + else + ret = block_write_full_page(page, ext4_get_block, wbc); + + if (!ret && inode->i_size > EXT4_I(inode)->i_disksize) { + EXT4_I(inode)->i_disksize = inode->i_size; + ext4_mark_inode_dirty(handle, inode); + } + + err = ext4_journal_stop(handle); + if (!ret) + ret = err; + return ret; + +out_fail: + redirty_page_for_writepage(wbc, page); + unlock_page(page); + return ret; +} static int ext4_da_writepages(struct address_space *mapping, struct writeback_control *wbc) @@ -2018,7 +2056,7 @@ static const struct address_space_operat static const struct address_space_operations ext4_da_aops = { .readpage = ext4_readpage, .readpages = ext4_readpages, - .writepage = ext4_writeback_writepage, + .writepage = ext4_da_writepage, .writepages = ext4_da_writepages, .sync_page = block_sync_page, .write_begin = ext4_da_write_begin,