add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/nilfs2/gcinode.c
..
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@@ -73,10 +73,8 @@
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 		struct the_nilfs *nilfs = inode->i_sb->s_fs_info;
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 		err = nilfs_dat_translate(nilfs->ns_dat, vbn, &pbn);
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-		if (unlikely(err)) { /* -EIO, -ENOMEM, -ENOENT */
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-			brelse(bh);
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+		if (unlikely(err)) /* -EIO, -ENOMEM, -ENOENT */
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 			goto failed;
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-		}
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 	}
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 	lock_buffer(bh);
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@@ -102,6 +100,8 @@
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  failed:
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 	unlock_page(bh->b_page);
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 	put_page(bh->b_page);
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+	if (unlikely(err))
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+		brelse(bh);
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 	return err;
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 }
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