From 976e4c50aea111bc7193b48950a3b0c8bc0a25ff Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 15 Sep 2014 19:32:16 -0700 Subject: [PATCH] f2fs: update i_size when __allocate_data_block The f2fs_direct_IO uses __allocate_data_block, but inside the allocation path, we should update i_size at the changed time to update its inode page. Otherwise, we can get wrong i_size after roll-forward recovery. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7749f30..aaf22a9 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -572,9 +572,11 @@ put_err: static int __allocate_data_block(struct dnode_of_data *dn) { struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); + struct f2fs_inode_info *fi = F2FS_I(dn->inode); struct f2fs_summary sum; block_t new_blkaddr; struct node_info ni; + pgoff_t fofs; int type; if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC))) @@ -597,6 +599,12 @@ static int __allocate_data_block(struct dnode_of_data *dn) update_extent_cache(new_blkaddr, dn); clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT); + /* update i_size */ + fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) + + dn->ofs_in_node; + if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT)) + i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT)); + dn->data_blkaddr = new_blkaddr; return 0; } -- 2.7.4