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 <jaegeuk@kernel.org>
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@ -572,9 +572,11 @@ struct page *get_new_data_page(struct inode *inode,
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static int __allocate_data_block(struct dnode_of_data *dn)
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{
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struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
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struct f2fs_inode_info *fi = F2FS_I(dn->inode);
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struct f2fs_summary sum;
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block_t new_blkaddr;
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struct node_info ni;
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pgoff_t fofs;
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int type;
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if (unlikely(is_inode_flag_set(F2FS_I(dn->inode), FI_NO_ALLOC)))
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@ -597,6 +599,12 @@ static int __allocate_data_block(struct dnode_of_data *dn)
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update_extent_cache(new_blkaddr, dn);
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clear_inode_flag(F2FS_I(dn->inode), FI_NO_EXTENT);
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/* update i_size */
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fofs = start_bidx_of_node(ofs_of_node(dn->node_page), fi) +
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dn->ofs_in_node;
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if (i_size_read(dn->inode) < ((fofs + 1) << PAGE_CACHE_SHIFT))
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i_size_write(dn->inode, ((fofs + 1) << PAGE_CACHE_SHIFT));
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dn->data_blkaddr = new_blkaddr;
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return 0;
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}
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